How high do you need to fall for it to be very very very fatal ???

To determine the force in the rod, we need to use the equation for the deflection of a beam supported by two points and a rod, which is:

δ = (F * L^3) / (3 * e1i1) + (F * L * Lr^2) / (2 * e2 * a2)

where δ is the deflection of the beam, F is the force in the rod, L is the length of the beam, Lr is the length of the rod, and e1i1 and e2 are the flexural rigidity and modulus of elasticity of the beam and rod, respectively.

In this problem, we are given the flexural rigidity of the beam (e1i1), the cross-sectional area of the rod (a2), and the modulus of elasticity of the rod (e2). We also know that the beam is supported by a fixed wall at point b and the rod ac. To find the force in the rod, we need to use the equation for the deflection of the beam.

The deflection of the beam is the amount by which it bends under the applied load. It depends on the force in the rod, the length of the beam, and the flexural rigidity and modulus of elasticity of the beam and rod. The equation for the   beam takes into account the contributions of both the beam and the rod to the deflection.

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Answer:

Losing weight?

Explanation:

That would make sense because thats the only thing mentioned

Answer:

He started getting a full night of restful sleep.

Explanation:

hope 04.01 quizlet

Answer:

Rubber bands can store elastic potential energy when they are stretched. A spring stores energy in the elastic potential store when they are stretched, squashed and bent

Elastic Potential Energy

A stretched rubber band has the potential to do work or change things. This form of energy is called elastic potential energy. It occurs when an object (such as our skin, a spring, a trampoline, or a rubber band) resists being stretched out of shape.

Answer:

Explanation:

Newton's first law states that, if a body is at rest or moving at a constant speed in a straight line, it will remain at rest or keep moving in a straight line at constant speed unless it is acted upon by a force. This postulate is known as the law of inertia.

hope this helps :))

There is no force acting on the baseball the statement best explains why the baseball remains motionless.

A body wants to remain in its original position until or unless the external force is not applied to it. Such a phenomenon is known as inertia.

Newton's first law asserts that if a body is at rest or traveling at a uniform speed in a straight direction,

It will remain at rest or continue to move in a straight path at a constant speed until acted on by a force. This is referred to as the law of inertia.

There is no force acting on the baseball the statement best explains why the baseball remains motionless.

Hence option B is correct.

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Answer:

What is the quantity that has the units of m/s²?

Acceleration is the quantity that has the units of m/s².

Explanation:

Acceleration is the rate of change of velocity.

Acceleration=(Final velocity-Initial velocity)/Time.

Answer:

η = 58.8%

Explanation:

Work is defined as the force applied by the distance traveled by the body.

\(W =F*d\)

where:

W = work [J] (units of joules)

F = force = 294 [N]

d = distance = 5 [m]

\(W = 294*5\\W = 1470 [J]\\\)

Efficiency is defined as the energy required to perform an activity in relation to the energy actually added to perform some activity. This can be better understood by means of the following equation.

\(efficiency = W_{done}/W_{required}\\efficiency = 1470/2500\\efficiency = 0.588 = 58.8%\)

Answer:

Cell is the unit which has two terminals one positive and one negative. A battery is a group of cells in which one negative terminal is attached to one positive terminal.

Cell:- Cell is the smallest unit of a battery.

Battery:-A battery is combination of cells.

Answer:

Explanation: F = m * a F = 20 kg * 3 m/s 2 F = 60 N Newtons are a derived unit, equal to 1 kg-m/s². In other words, a single Newton is equal to the force needed to accelerate one kilogram one meter per second

The possible maximum carts x is 1, according to given question.

What is average?

In mathematics and statistics, an average is a measure that represents a central value of a set of data. There are different types of averages, but the most common ones are:

Mean: The arithmetic mean, often simply called the "mean", is the sum of a set of numbers divided by the total number of numbers in the set. For example, the mean of the numbers 1, 3, 5, and 7 is (1+3+5+7)/4 = 4.

To solve this problem, we need to first find the total weight of the carts. We can do this by multiplying the weight of each cart by the number of carts:

Total weight of carts = x * 1,200 pounds

Next, we can find the maximum number of carts that can be added to the rollercoaster without exceeding the weight limit. We can do this by subtracting the weight of the riders and the total weight of the carts from the weight limit and dividing the result by the weight of each cart:

Maximum number of carts = (11,000 - 2,690 - x * 1,200) / 1,200

We want to find the maximum value of x that satisfies this inequality, which means we want to find the largest integer value of x that makes the maximum number of carts a whole number. We can express this as follows:

(11,000 - 2,690 - x * 1,200) / 1,200 ≤ n, where n is a positive integer

Simplifying the inequality:

(8,110 - x * 1,200) / 1,200 ≤ n

8,110 / 1,200 - x ≤ 1,200n / 1,200

6.7583 - x ≤ n

n ≥ 7 - x

Therefore, the possible maximum number of carts is the largest integer that satisfies the inequality n ≥ 7 - x. Since n is a positive integer, the largest value of n is 6, and the largest value of x that satisfies the inequality is:

7 - x ≤ 6

-x ≤ -1

x ≥ 1

Therefore, the possible maximum carts x is 1.

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Answer:

then it's a rock

Explanation:

5 tickets for $ 12.50

Explanation

to figure out this we need to find the unit rate

so

Step 1

the rate is given by:

then

a) for 5 tickets and $12.50

replace and calculate

b) for 8 tickets and $20.16

replace and calculate

therefore, the better deal is 5 tickets for $ 12.50, you will get more tickets per dollar

I hope this helps you

Answer: Probably 0.33km/hr south is the net velocity

Explanation:

Speed= Distance/ Time

Speed in North = 5km/3hrs=1.67km/hr

Speed in South= 2/1hrs=2.00km/hr

Since north and south are in opposite directions, and taking north as the +ve y, we get 1.67-2.00= -0.33km/hr, (-ve represents south direction).

The given function is f(t)=t3(1−2t2)The velocity of a particle is represented by the derivative of the position of the particle with respect to time. Thus, we need to find the derivative of the given function f(t) to find the velocity of the particle.

Let us differentiate f(t) by using the product and chain rule of differentiation:f(t)=t3(1−2t2)⇒ f′(t)=3t2(1−2t2)+t3(−4t)⇒ f′(t)=3t2−6t4−4t4The velocity of the particle at any given time is the absolute value of the derivative of the position function at that time. Thus, to find the velocity of the particle at t = 1, we will substitute t = 1 in the derivative function:f′(1)=3(1)2−6(1)4−4(1)4=3−6−4=−7.

Therefore, the speed of the particle at t = 1 is 7, which is option C).The definition of speed and velocity:Speed is the magnitude of velocity. It can be calculated as follows:|v|=|dx/dt|Where v is velocity, and x is the position of the object. The absolute value of the velocity of the particle is the speed of the particle.

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The frictional force of air against a moving object causes object to slow down is true.

Frictional force is the force created when two surfaces come into contact as well as slide against each other. These forces are mostly influenced by the surface roughness and the amount of force required when they are combined. The amount of frictional force is affected by the angle and location of the item.

The forces of attraction, defined as adhesion, between both the points of contact areas of the surfaces, that are frequently minutely uneven, are the primary cause of friction between objects. The frictional force of air against a moving object causes object to slow down is true.

Therefore, the frictional force of air against a moving object causes object to slow down is true.

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Answer:

Según la actitud del hablante las oraciones se clasifican en enunciativas, interrogativas, etc. ... adverbios o expresiones que complementan a toda la oración (COr): ojalá, quizá.

Explanation:

Answer:

Explanation:

A plus lens which is convex in shape, converges light and the accommodative system must relax in order to keep an image clear.

Jen is 50 and manages her money wisely. She believes in the U.S. monetary system although, from time to time, Jen has friends who have turned to buying gold and artwork due to their concerns. Jen has more confidence in the stability of money than some of her friends.

While her friends occasionally turn to buying gold and artwork as alternative investments due to their concerns, Jen maintains faith in the traditional financial instruments like stocks, bonds, and cash. Her confidence in the stability of money stems from her understanding that the U.S. Federal Reserve is responsible for managing the money supply, controlling inflation, and ensuring the overall health of the economy. She also recognizes that the U.S. dollar is a globally accepted reserve currency, further strengthening her trust in the system.

In comparison, investments like gold and artwork may not be as liquid as traditional financial instruments, and their values can be subjective and prone to fluctuations. By having confidence in the stability of money and the U.S. monetary system, Jen chooses to invest her funds in well-regulated and reliable assets, ensuring long-term financial security and growth. So therefore Jen is 50 and manages her money wisely, having more confidence in the stability of money than some of her friends.

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When borosilicate glass is undergoing change in temperature, heat is transferred.  The specific heat of borosilicate glass is 837.4 J/kg. °C

The specific heat is the amount of heat stored per kilogram of substance by 1 degree rise in temperature.

Given is the mass of borosilicate glass m =100 g =0.1 kg, heat transferred Q = 309J, temperature change ΔT = 3.69°C

Q = m x Cp x  ΔT

309 = 0.1 x Cp x 3.69

Cp = 837.4 J/kg. °C

Thus, the specific heat of borosilicate glass is 837.4 J/kg. °C

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Potential energy decreases because movement is in the opposite direction of the magnetic field. This is because when magnets are pulled apart, the magnetic field between them is weakened, thus decreasing the potential energy of the system.

A magnetic field is a force field that is created by an electric charge or current. It is a vector field, meaning it has both magnitude and direction. Magnetic fields are generated by electric currents such as those used in electromagnets, and by magnetic materials such as iron. The Earth also generates a magnetic field. Magnetic fields have many uses, including navigation, electric motors, and magnetic storage devices. They are also useful in medical diagnostics and treatments. In addition, they can be used to study the composition of stars and galaxies.

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Answer:

we can't cry in space like we do earth.... because there is no gravity... due to which the tears not fall down..instead they make a liquid clump...near eyes

The spacetime Using Lorentz transformation equation coordinates in the moving frame are (1303.93 m, 3.01 s).

Given information:

An event has spacetime coordinates (x,t)=1,300 m,3.0 s in reference frame S.What are the spacetime that moves in the negative x - direction at 0.03c?We know that the coordinates of the same event as observed from two different inertial frames are related by the Lorentz transformation equations.

Using Lorentz transformation equation:(x', t') = (γ(x − vt), γ(t − vx/c²))where γ = 1/√(1−v²/c²) represents the Lorentz factor, x is the position in the stationary frame, t is time in the stationary frame, x' is the position in the moving frame, t' is time in the moving frame, v is the relative velocity between the two frames and c is the speed of light in vacuum.We are given,x = 1,300 mt = 3.0 s, v = −0.03c (since the motion is in the negative x direction)∴ γ = 1/√(1−v²/c²) = 1/√(1−0.03²) = 1/0.997

The spacetime coordinates in the moving frame, (x', t') = (γ(x − vt), γ(t − vx/c²))= [1/0.997 (1300 - (-0.03c)(3.0))] m, [1/0.997 (3.0 - (-0.03c)(1300)/c²)] s= (1303.93 m, 3.01 s) [correct to 2 decimal places]

Therefore, the spacetime coordinates in the moving frame are (1303.93 m, 3.01 s).

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Answer:

kinedk engrerr

Explanation:

The buoyancy force on the gold ball will be more than that of aluminum.

An upward force applied by a fluid against the weight of an item that is partially or totally submerged is known as upthrust, also known as buoyancy. Pressure in a fluid column increases with depth due to the weight of the fluid on top.

Given that two solid metal balls all have the same radius. one is made of aluminum, the other of gold. And the balls are resting at the bottom of a pool of water.

The buoyancy force at the bottom force will be calculated by finding the density of the balls.

Buoyancy force = Volume inside water x Density X g

Density of gold = 19.3 g / cc

Density of aluminium = 2.7 g / cc

Since the density of the gold ball is more than the density of the aluminum ball.

Therefore, the buoyancy force on the gold ball will be more than that of aluminum.

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The maximum magnitude of acceleration occurs when cos(2.41 rad t) reaches its maximum value of 1. Therefore, the maximum magnitude of acceleration is: = 0.3885227 m/s^2.

To find the velocity of the block as a function of time, we need to differentiate the position function with respect to time:

x(t) = -(0.067 m)cos(2.41 rad t)

v(t) = -d/dt (0.067 m)cos(2.41 rad t)

Differentiating cos(2.41 rad t) with respect to t gives:

v(t) = (0.067 m)(2.41 rad)sin(2.41 rad t)

The velocity of the block as a function of time is v(t) = (0.16147 m/s)sin(2.41 rad t).

The maximum speed of the block occurs when sin(2.41 rad t) reaches its maximum value of 1. Therefore, the maximum speed is:

v_max = (0.16147 m/s)(1) = 0.16147 m/s.

To find the acceleration of the block as a function of time, we differentiate the velocity function with respect to time:

v(t) = (0.16147 m/s)sin(2.41 rad t)

a(t) = d/dt [(0.16147 m/s)sin(2.41 rad t)]

Differentiating sin(2.41 rad t) with respect to t gives:

a(t) = (0.16147 m/s)(2.41 rad)cos(2.41 rad t)

The acceleration of the block as a function of time is a(t) = (0.3885227 m/s^2)cos(2.41 rad t).

The maximum magnitude of acceleration occurs when cos(2.41 rad t) reaches its maximum value of 1. Therefore, the maximum magnitude of acceleration is:

a_max = (0.3885227 m/s^2)(1) = 0.3885227 m/s^2.

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Hence, the acceleration will be 16 m/s²

According to Newton's second law of motion, acceleration of an object is directly proportional to the net force acting on it keeping the mass of the object constant.

Mathematically,

F ∝ a

It means that when there is no net force acting on the body, there is no acceleration. A force is a push or a pull, and the net force ΣF is the total force, or sum of the forces exerted on an object in all directions. When the net force is increased or decreased by a factor of X, then acceleration also increased or decreased by a factor of X respectively according to Newton's 2nd law of motion.

F = ma

(-2)F = 4x8 N

(-2)F = 32 N

So, acceleration = 16 m/s²

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It will take about 12.12 minutes for the thermocouple to read 95% of the initial temperature difference of the sphere. This is due to difference in temperature.

What is the time required to read 95% of initial temperature difference?

In order to determine how long it will take for the thermocouple to read 95% of the initial temperature difference, the following formula is used:

t = (rho × V × Cp)/(h × pi × D) × ln ((Tinitial - T∞) / (Tinitial - Tcutoff))

where, t = time (s), ρ = density (kg/m³), V = volume (m³), Cp = specific heat capacity (J/kg °C), h = heat transfer coefficient (W/m²°C), D = diameter (m), Tinitial = initial temperature (°C), T∞ = surrounding temperature (°C), Tcutoff = temperature at which the thermocouple reading is 95% of the initial temperature difference (°C).

Substituting the given values into the above formula:

t = (8500 kg/m³ × (4/3 × pi × (0.0006 m)³)) / (65 W/m2 °C × pi × 0.0012 m) × ln ((100 °C - 25 °C) / (100 °C - 95 °C))

t = 727.31 s or 12.12 minutes.

Therefore, it will take approximately 12.12 minutes for the thermocouple to read 95% of the initial temperature difference.

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The stationary and at the origin is, a) the pairs ac, bc, and dc have stationary centers of mass, b) The pair at the origin with the stationary center of masses is denoted by the symbol bc, and c) Ad and bd are the pair with the center of mass passing through the origin.

A surface is said to be frictionless if it has a force acting on any object that is almost zero or negligible, meaning that there is no resistance between the surface and the substance, allowing the object to slide and move freely without any friction.

Therefore,

The given data

Coordinates of the four particles are:

\(&a=(-4 \mathrm{~m}, 2 \mathrm{~m}) \\\)

\(&\mathrm{b}=(4 \mathrm{~m}, 2 \mathrm{~m}) \\\)

\(&\mathrm{c}=(-4 \mathrm{~m},-2 \mathrm{~m}) \\\)

\(&\mathrm{d}=(4 \mathrm{~m},-2 \mathrm{~m})\)

Having an understanding of the center of mass. The exact center of the tile connecting two particles with equal masses is where their centers of mass are located. Two particles' centers of mass will be stationary if they are moving at equal speeds but in opposite directions. We have taken the two masses in the diagram and compared their velocities to find where their centers of mass are located.

a) system pair calculations with a stationary center of mass

Particles a and c are depicted in the illustration as having the same speed but moving in the opposite direction. This indicates that the centers of mass for pairs a and c are fixed.

Particles b and c are depicted in the illustration as having the same speed but moving in the opposite direction. This indicates that the mass centers of the pairs b and c are stationary.

Particles d and c are depicted in the figure as having the same speed but moving in the opposite direction. This indicates that the centers of mass for the pairs d and c are stationary.

Therefore, the pairs ac, bc, and dc have stationary centers of mass.

b) system pair calculations with the center of mass at rest and the origin

The origin will be crossed by the line formed by the particles b and c. The line connecting particles b and c will have the origin as its midpoint because both are equally spaced from the origin.

Two particles' centers of mass will remain stationary if they are travelling at equal speeds but in opposite directions.

The pair at the origin with the stationary center of masses is denoted by the symbol bc.

c) system pair calculations when the center of mass crosses the origin

If we draw a line connecting the particles a and d, that line will pass through the origin. As an example, take the pair of particles a and d. The origin will be the midpoint of the line connecting particles a and d because both are equally far from the origin.

They will pass through the origin as they move with some speed in the indicated direction. If we draw a line connecting the two particles b and d, that line will be parallel to the y-axis. Their midpoint will be on the x-axis because both are equally spaced from it. They will pass through the origin as they move with some speed in the indicated direction.

Ad and bd are the pair with the center of mass passing through the origin.

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When two surfaces touch, they exert a force that prevents the two surfaces from sliding past one another. Static friction is the name of this force.

The body's net force's strength and direction. All of the forces acting on a moving object are depicted in the free-bod diagram. Every force, in particular, is represented by an arrow, the direction of which corresponds to the force's direction and whose length corresponds to the force's magnitude. Therefore, the net force can be estimated from a free body diagram. In reality, one may calculate the net force acting in each of the two directions by examining the forces acting along the horizontal and vertical axes independently. These two forces then stand in for the constituent parts of the final force (net force) acting on the item.

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Hey mate there is a same question answered by me correctly .Visit the link below for your answer

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Answer: 160 km

Explanation: