a) Find the distance the load will rise if the pulley is rotated 1530°. Find the exact distance in terms of π and then round to the nearest tenth of a foot.
b) Through how many degrees should the pulley rotate to lift the load 88 ft ? Round to the nearest degree.

The motion being described is linear motion, and since it has direction, it is a vector quantity.

A linear motion is a style of motion in which the object's movement is inversely proportional to its speed and duration of motion.

This type of motion also happens in a straight line.

The following is the formula for final velocity in a linear type of motion:

v = u + at

where;

V is the object's final speed or moving rate.

u is an object's initial speed, and a represents its acceleration.

t is the object's motion in time.

Our equation is formed by the supplied statement as follows:

v = u + at

15 m/s = 10 m/s + 60a

Thus, the final velocity formula, which is a vector quantity, is shown by the equation above.

Learn more about final velocity here: brainly.com/question/25905661

#SPJ4

The statement that contradicts the claim that solids are useful for the transfer of heat is:   Other solids, such as wood, have tighter electrons and are not as useful for heat conduction.

This statement says that wood is not as useful for heat conduction as other solids. However, the passage also says that metals, such as copper and gold, are effective at conducting heat. This means that solids are still useful for the transfer of heat, even if some solids are not as good at it as others.

The other statements do not contradict the claim that solids are useful for the transfer of heat. They all describe how heat is transferred through solids.

   "These heated vibrating molecules collide with other molecules, spreading the heat." This statement describes how heat is transferred through conduction.

   "These solids have loosely bound electrons that allow heat to transfer freely." This statement describes how heat is transferred through conduction in solids.

   "Metal solids in particular, such as copper or gold, are effective at conducting heat." This statement confirms that metals are good conductors of heat.

To learn more about conduction  visit: https://brainly.com/question/12767362

#SPJ11

The direction of the acceleration of the flea is 198.4° from the +x-axis, and its magnitude is 1.66 × 10¹⁴ m/s².

The net force acting on the flea will be,

Fnet = F₁ + F₂= -1.12 × 10⁻⁵ N + 1.14 × 10⁻⁶ N= -9.98 × 10⁻⁶ N

Since Fnet = ma, a = Fnet / m = (-9.98 × 10⁻⁶) / (6.0 × 10⁻⁷) a = -16.6 m/s²

Now, let's find the direction of the acceleration of the flea. The x-axis will be horizontal (along the ground), and the y-axis will be vertical. So, the two forces acting on the flea are as shown below.

As seen from the diagram, the x-component of the net force is toward the right, and the y-component of the net force is downward. Therefore, the acceleration of the flea is directed at an angle of 198.4 degrees from the +x-axis.

To find the magnitude of acceleration, we can use the Pythagorean theorem:a² = ax² + ay² = (1.332 × 10⁻¹⁵)² + (-1.66 × 10¹⁴)²a = 1.66 × 10¹⁴ m/s²

Learn more about Acceleration at:

https://brainly.com/question/25876659

#SPJ11

The Doppler method can measure the eccentricity of orbit, semimajor axis of orbit, lower limit mass, and orbital period of exoplanets.

Eccentricity of orbit: The Doppler method can provide information about the eccentricity of a planet's orbit by detecting the periodic variations in the star's radial velocity caused by the planet's gravitational pull.

Semimajor axis of orbit: The Doppler method allows for the determination of the semimajor axis of a planet's orbit. By measuring the periodic changes in the star's radial velocity, scientists can infer the distance between the star and the planet, which corresponds to the semimajor axis.

Lower limit mass: The Doppler method can provide a lower limit estimate of a planet's mass. By observing the periodic variations in the star's radial velocity, scientists can calculate the minimum mass of the planet based on the gravitational influence it exerts on the star.

Orbital period: The Doppler method is particularly effective in determining the orbital period of a planet. By measuring the time it takes for the periodic changes in the star's radial velocity to repeat, scientists can accurately determine the planet's orbital period.

To know more about Doppler method, visit:

https://brainly.com/question/31667658

#SPJ11

Answer:

The thrust is  \(F = 7828.3 \  N \)

Explanation:

From the question we are told that

   The speed of the jet aircraft is  \(v = 214 \ m/s\)

    The rate at which the engine takes in air is \(\^ Q = 115 \ kg/s\)

    The rate  at which the engine burns fuel is  \(\r m = 2.53 \ kg/s\)

    The speed of the exhaust gases is  \(u = 276 \ m/s\)

Generally the thrust of the engine is mathematically represented as

      \(F =[ \^ Q * ( u - v )] + (\r m * u)\)

=>   \(F =[ 115 * ( 276  -  214 )]  + (2.53 * 276)\)

=>   \(F = 7828.3 \  N \)

Answer:

where is the question ??/dude

The law of reflection states that the angle of incidence and the angle of reflection will always be equal.

When a ray of light reflects off a surface, the angle of reflection is equal to the angle of incidence.

Answer:

C. the production of new machines as a result of processes using science and knowledge.

Explanation:

Technology is the application of scientific research and knowledge .

Answer:

the answer is c cirrus clouds

Explanation:

Answer:

Kelvin

Explanation:

Kelvin is the universal and scientific unit for temperature as Celsius and Fahrenheit temperatures we use in everyday situations

Answer:

B is the right answer

can you please rate &like

The length of the wire will increase by 1.25 mm when the 4 kg object is hung from it.

To determine the change in length of the wire, we need to calculate the stress and strain in the wire.

The stress, σ, in the wire is given by:

σ = F/A

where F is the weight of the object (mg), A is the cross-sectional area of the wire (πd^2/4), m is the mass of the object (4 kg), g is the acceleration due to gravity (9.8 m/s^2), and d is the diameter of the wire (0.6 mm).

Substituting the values, we get:

σ = (4 kg x 9.8 m/s^2)/(π x (0.6 mm)^2/4) = 2.08 x 10^8 N/m^2

The strain, ε, in the wire is given by:

ε = σ/E

where E is the Young's modulus of steel, which is approximately 2 x 10^11 N/m^2.

Substituting the values, we get:

ε = (2.08 x 10^8 N/m^2)/(2 x 10^11 N/m^2) = 1.04 x 10^-3

Therefore, the change in length, ΔL, of the wire is given by:

ΔL = εL

where L is the original length of the wire (1.2 m).

Substituting the values, we get:

ΔL = (1.04 x 10^-3) x 1.2 m = 1.25 x 10^-3 m

To know more about Young's Modulus, here

brainly.com/question/30756002

#SPJ4

(a) The budget constraint can be written as: C = wL + V, where C is consumption, w is the real wage, L is leisure, and V is non-labor market income.

(b) With ẞ = 1/2, V = 100, and w = 200, John's optimal supply of labor cannot be determined without information about his preferences for leisure and consumption. The utility function only represents his preferences, but we need additional information to determine the specific amount of labor he would choose to supply.

(c) John's total income is the sum of his labor income and non-labor market income: Total income = Labor income + Non-labor income = wL + V. Without knowing the specific value of L, we cannot calculate the total income.

(d) Similarly, without knowing John's preferences for leisure and consumption, we cannot determine the specific level of consumption he would choose.

(e) In the case where John is subject to a 10% income tax on labor income only, his new optimal supply of labor would depend on the tax rate's impact on his preferences and the trade-off between leisure and consumption. Without further information on his preferences and the specific tax structure, we cannot determine the new optimal supply of labor.

Additional information about John's preferences for leisure and consumption, as well as the specific tax structure, is necessary to calculate his optimal labor supply, total income, consumption, and the impact of the income tax on his labor supply.

To know more about budget , visit

https://brainly.com/question/29792126

#SPJ11

Answer:

Lysosme

Explanation:

All plant cells have cell walls due to their ability to not protect themseleves unlike us humans or aniamls. Ribosomes and vacuoles also are in all plant cells as provide it with nutrients. Lysosme are not always commonly found in all plant cells because they have cell walls to proctect them. Hope this helps :)

The vertical height reached by the 2 kg wood block that is launched up a wooden ramp that is inclined at a 35° angle above its starting point is 3.78 m

W = m g

f = μ N

W = Weight

m = Mass

g = Acceleration due to gravity

f = Frictional force

μ = Co-efficient of kinetic friction

N = Normal force

m = 2 kg

g = 9.8 m / s²

W = 2 * 9.8

W = 19.6 N

N = 19.6 N

μ = 0.2

f = 0.2 * 19.6

f = 3.92 N

Resolving W into its vertical and horizontal components,

Wy = W cos θ

Wy = 19.6 * cos 35°

Wy = 16.1 N

Wx = W sin θ

Wx = 19.6 * sin 35°

Wx = 11.17 N

∑ Fx = m a

- Wx - f = m a

- 11.17 - 3.92 = 2 a

2 a = - 15.09

a = - 7.55 m / s²

v² = u² + 2 a s

0 = 10² + ( 2 * - 7.55 * s )

15.1 s = 100

s = 6.62 m

sin 35° = h / s

h = 6.62 * 0.57

h = 3.78 m

Therefore, the vertical height reached by the block above its starting point is 3.78 m

To know more about Frictional force

https://brainly.com/question/19180015

#SPJ1

Answer:

Option b is correct - Rocky, nearly continuous, found on earth surface.

The reason is it is the rocky surface area composed of crust and upper mantle part. Basically, it is the outer shell of earth.

The Planck equation and rules of direct proportions can be found that the amount of energy emitted by sodium the answer is;

              E = 2.2 10⁻¹³ J

Planck's equation establishes a relationship for the energy of photons

          E = h f

          c = λ f

          E = \(\frac{h \ c}{\lambda}\)

Where E is the energy, h the Planck constant (h = 6.63 10⁻³⁴ J s), f the frequency of radiation, c the speed of light and λ the wavelength

The energy emitted by each sodium atom is the energy of the emitted radiation that has a wavelength of 590 nm, two lines close together, indicate that each atom emits a photon, its energy is

             E₀ =  \(\frac{6.63 \ 10^{-34} \ 3 \ 10^8}{ 590 \ 10^{-9}}\)

             E₀ = 3.37 10⁻¹⁹ j

We look for the mass of a mole of sodium in the periodic table

             PM = 29.9897uma ( \(\frac{1.66 \ 10^{-17} kg}{1 una}\)) = 49.78 10⁻²⁷ kg

With a direct rule of proportions we can find the atoms of sodium in the lamp. If in mol of sodium it has a mass 49.78 10⁻²⁷ kg and has avogadro number 6.022 10²³ atoms. How many atoms are there in 45.8 10⁻⁹ kg

               # sodium atoms = \(\frac{49.78\ 10^{-27} \ 6.022 \ 10^{23}}{ 45.8 \ 10^{-9}}\)

               #_atom Sodium = 6.54 10⁵ Sodium atoms.

Let's use a direct ratio rule, If a sodium atom emits an energy Eo, how much energy do you emit? 6.54 105 atoms

              E = Eo  # _atmos / 1 atom

              E = 3.37 10⁻¹⁹ 6.54 10⁵

              E = 2.2 10⁻¹³ J

In conclusion, using the Planck equation and direct proportions rules we can find the amount of energy emitted by sodium, the answer is;

              E = 2.2 10⁻¹³ J

Learn more about the Planck equation here:

https://brainly.com/question/18013128

A comet speeds up as it approaches the Sun. Which statement about its kinetic energy is correct option is - (1) The comet has no kinetic energy because it is in outer space.

To know more about comet

https://brainly.com/question/8705662

#SPJ1

Answer:

Factors that Affect Kinetic Energy Quick Check

Explanation:

1. KE=1/2mv^2

2.The comet’s kinetic energy increases.

3. 3,388 J

4. The wagon will have more kinetic energy than when it was empty.

5. Find two objects with the same mass and think of a way to demonstrate their kinetic energies at different velocities.

Just after S1 is closed, 60.0V is the potential differences a) Vab.

a) Vab = 60.0V

b) Vbc = 0V

c) Vab = 0V

d) Vbc = 0V

e) Vab = 36.0V

f) Vbc = 0V

Electromotive force (EMF) is a term used in physics and electrical engineering to describe the potential difference or voltage that drives an electric current in a circuit. Despite its name, EMF is not a force but rather a measure of the energy per unit charge supplied by a source, such as a battery or a generator, to overcome the resistance within a circuit and maintain the flow of electric charges.

EMF is usually denoted by the symbol "E" and is measured in volts (V).

a) Just after S1 is closed when the circuit is first closed, the inductor opposes the change in current. Initially, the current is zero, and the inductor tries to maintain that. Therefore, the potential difference Vab across the resistor R is equal to the electromotive force (EMF) E. So, \(Vab = E = 60.0V.\)

b) Just after S1 is closed, when there is no current flowing through the inductor yet, the potential difference Vbc across the inductor L is equal to zero since there is no voltage drop across an open switch. The inductor behaves like an open circuit in this case.

c) A long time after S1 is closed (many time constants later), the current in the circuit reaches its steady-state value. In the steady state, the inductor behaves like a short circuit, allowing current to flow freely. As a result, the potential difference Vab across the resistor R becomes equal to zero since there is no voltage drop across a short circuit. Therefore,\(Vab = 0V.\)

d) Similarly, in the long term (many time constants later), the inductor reaches its steady state and behaves like a short circuit. Therefore, the potential difference Vbc across the inductor L also becomes zero since there is no voltage drop across a short circuit. Hence, \(Vbc = 0V.\)

e) At an intermediate time when the current in the circuit is 0.150A, we can use Ohm's law to calculate the potential difference Vab across the resistor R. \(Vab = i * R = (0.150A) * (240Ω) = 36.0V.\)

f) At the same intermediate time, the potential difference Vbc across the inductor L can be calculated using the formula \(Vbc = L * (di/dt)\), where di/dt represents the rate of change of current with respect to time. If the current is constant, di/dt is zero, and hence \(Vbc = 0V.\)

Learn more about Electromotive force:

https://brainly.com/question/13753346

#SPJ4

Answer:

So I think that the sound waves travel faster through water than air.

Explanation:

And the explanation would be that sound travels faster in more denser substances like water.

Answer:

Explanation:

The work done by an object can be found by using the formula

workdone = force × distance

From the question we have

force = 20 N

distance = 6 m

work done = 20 × 6 = 120

We have the final answer as

Hope this helps you

That depends on what word you skipped at the beginning of the question.

If it's supposed to be "Potential" energy, then the statement is false.**

If It's supposed to be "Kinetic" energy, then the statement is true.

** It's also false if the missing word is "Chemical", "Mechanical", "Thermal", "Nuclear", "Electrical", "Electromagnetic", or "Nervous".)

Answer:

Explanation:

Answer:

There was no anwser

Explanation:

because dylan did not anwser

According to the data given in the question the net force on the box is of 5 N.

All of the forces that are applied to an object are added up to form the net force. As a consequence of the fact that it (force) is a vector and therefore that two forces with identical magnitudes and opposing directions cancel each other out, the resultant force is the total of the forces, or put another way, the net force is just the total of all the forces.

Given data :

Force on box to the left side (F1) = 15 N

Force on box to the right side (F2) = 20 N

Because both forces are in opposite direction

Hence,

Net force = F2 - F1

Net force = 20 - 15

Net force = 5 N.

To know more about net force visit :

https://brainly.com/question/14361879

#SPJ1

Metal elements are most likely found on the left side of the periodic table. Details about periodic table can be found below.

Periodic table is a tabular chart of the chemical elements according to their atomic numbers so that elements with similar properties are in the same group or column.

Metallic elements are one of the group of elements found on the periodic table and they include the following:

Metallic elements are located on the left hand side of the periodic table.

Learn more about periodic table at: https://brainly.com/question/11155928

#SPJ5

Answer: (A) Along the stairstep line

Explanation:

Answer:

895522 times faster.

Explanation:

From the question given above, the following data were obtained:

Speed of sound in air (v) = 335 m/s

Speed of light in air (c) = 3×10⁸ m/s

How many times faster =.?

To obtain how many times faster light travels in air than sound, do the following

c : v => 3×10⁸ : 335

c/v = 3×10⁸ / 335

c/v = 895522

Cross multiply

c = 895522 × v

From the illustrations made above, we can see that the speed of the light in air (c) is 895522 times the speed of sound in air.

Thus, light travels 895522 times faster than sound in air.

Parallel axis theorem formula is given by \(I = Icm + md^2\) connecting body's moment of inertia about axis through COM along parallel axis passing through point d.

The formula for the parallel axis theorem:

\(I = Icm + md^2\)

where I : moment of inertia about the parallel axis, Icm: moment of inertia about center of mass, m : mass of object, and d: perpendicular distance between parallel axes.

The parallel axis theorem may be used to determine the moment of inertia of complicated objects like thin rods and stiff bodies with irregular shapes that cannot be considered as point masses. We may move the axis of rotation to a more practical place and make the computation of the moment of inertia easier by applying the parallel axis theorem.

The parallel axis theorem makes the crucial assumption that the item is stiff and that the mass is dispersed evenly. A more sophisticated computation can be needed if the item is not stiff or if the mass is not evenly distributed.

Learn more about parallel axis theorem here:

https://brainly.com/question/30460015

#SPJ4