A 25.5 kg mass (m) is suspended by the cable assembly as shown in the figure. The cables have no mass of their own. The cable to the left (T1) of the mass makes an angle of 0.00∘ with the horizontal, and the cable to the right (T2) makes an angle (T2) of 30.1∘ . If the mass is at rest, what is the tension in each of the cables, T1 and T2? The acceleration due to gravity is g=9.81 m/s2.

I got T1 to be 431.54 and it's correct, just don't know how to get T2.

Answer:

Explanation:

F = k * q * lambda * R * π * (1 - √2/2)

Substituting the given values of q, lambda, R, and k, we get:

F = (9 x 10^9 N*m^2/C^2) * (20 x 10^-9 C) * (1 x 10^-6 C/m) * (0.1 m) * π * (1 - √2/2)

F ≈ 8.58 x 10^-4 N

Therefore, the force of interaction between the half ring and the point charge is approximately 8.58 x 10^-4 N.

Answer:

Explanation:

given:

radius (r) = 1.88 km

velocity (v) = 136.3 km/hr

required:

banking angle ∡ ?

first:

convert 1.88 km to m = 1.88km * 1000m / 1km

r = 1880 m

convert velocity v = 136.3 km/hr to m/s = 136.3 km/hr * (1000 m/ 3600s)

v = 37.86 m/s

now.. calculate the angle

Ф = inv tan (v² / r * g)            we know that gravity = 9.8 m/s²

Ф = inv tan (37.86² / (1880 * 9.8))

Ф = 4.4°

Answer:

Earth have a liquid water supply and Mars does not because of the difference in their magnetic fields. Therefore the option B is correct.

Explanation:

The atmosphere of Earth is shielded from solar winds and radiation by a potent magnetic field, which keeps the atmosphere from being torn away. This enables water to remain liquid on the surface of the planet.

Mars, in contrast, has a weaker magnetic field, which results in a thinner atmosphere that is unable to support liquid water. Mars is hence more colder and drier than Earth.

One of the main reasons that Mars has no life as we know it is because it lacks a magnetic field, whereas the magnetic field of Earth is crucial in fostering the conditions necessary for life to flourish.

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Process allows organisms that reproduce asexually to produce offspring that are not genetically identical to themselves is mutations.

A variation in a DNA sequence at particular gene refers to mutation. In asexual reproduction generally there reproduce identical offspring's. in  an asexually reproduce offspring, once  a bad mutation occurs . it will passed on to all offspring at that line. mutation occurs when cell division take place and replicate . the cell division are of two types: mitosis and meiosis. asexual reproduction generally reproduce identical offspring because only single parent is involve.

Thus, Process allows organisms that reproduce asexually to produce offspring that are not genetically identical to themselves is mutations.

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Answer:

C. That the small portion of the space we can see is truly representative of all the rest of the universe that we cannot see.

Explanation:

The Cosmological Principle assumes that the small portion of the universe that we can see is representative of the entire universe, even though we can only directly observe a tiny fraction of it. It's an assumption used by Cosmologists to simplify their models of the universe.

Answer:

198785.714286 Joules

Explanation:

\(W=f*d\)

\(F=ma\\F=516.326530612*-14\\F=-7228.57142857 N\\\)

To find work:

Now that the force and the distance are known, plug and chug:

\(W=f*d\\W=-7228.57142857*27.5\\W=-198785.714286J\)

Note that the question is asking for the magnitude of work, so the negative can be discarded as it is a directional component.

So, your answer is

198785.714286 Joules

ANSWER

1) a falling grenade

EXPLANATION

A superelastic collision is a collision in which there's more kinetic energy at the final state than in the initial state. Usually explosions fall under the category of superelastic collisions. From these options, we can suppose that a falling grenade is likely to explode, so it is the most likely to experience a superelastic collision.

Answer:a falling grenade

Explanation:

Each electron winds up with kinetic energy of

(270 keV)

plus

(whatever KE it had when it started accelerating).

Reduce the distance by a factor of 4 change the distance between two charged particles to increase the electric force between them by a factor of 16.

Thus, When charged things interact with other objects, there is an electric force present in the system.

The electric force between them is appealing because positive charges are attracted to negative charges. For two positive charges or two negative charges, the electric force is repellent.

A typical illustration of this is what happens when two balloons are rubbed on a blanket. When you rub the balloons against the blanket, electrons from the blanket transfer to the balloons, leaving the blanket positively charged and the balloons negatively charged.

Thus, Reduce the distance by a factor of 4 change the distance between two charged particles to increase the electric force between them by a factor of 16.

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Answer:

Hello! Your answer would be, O False

Explanation:

Hope I helped! Brainiest plz!♥ Have a nice morning! Hope you make a 100%! -Abby

Answer:

False is the correct answer.

Explanation:

plz mark me as brainliest.

The spaceship is traveling towards the Sun with velocity  0.319c.

One of the most significant works in the history of physics is Albert Einstein's 1905 theory of special relativity. The theory of special relativity explains how speed affects space, time, and mass. Small amounts of mass (m) can be interchangeable with large amounts of energy (E), as defined by the classic equation E = mc², according to the theory, which offers a means for the speed of light to define the link between energy and matter.

Given parameters:

The radius of the orbit of Jupiter is 43.2 light-minutes.

that of the orbit of Mars is 12.6 light-minutes.

Hence, actual distance between them l₀= 43.2 - 12.6 light-minute = 30.6  light-minute.

Let the velocity of the spaceship is v.

Time taken to travel this actual distance  = l₀ √(1+v²/c²)/v

According to the question

l₀ √(1+v²/c²)/v = 35.0

√(c²+v²) = 35.0 v

c² = 1224 v²

v =  0.319c

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The equivalent temperature in Celsius scale is (86°F − 32) × 5/9 = 30°C

Take the °F temperature and subtract 32

Multiply this number by 5.

Divide this number by 9 to obtain your answer in °C.

The formula to convert °F to °C is:

T(°C) = (T(°F) - 32) × 5/9

converting 86 degrees Fahrenheit into degrees Celsius:

T(°C) = (86°F - 32) × 5/9

T(°C) = 30 °C

(86°F − 32) × 5/9 = 30°C

When doing the temperature conversion, one quick way to make certain you did the conversion right is to remember Fahrenheit temperatures are higher than the corresponding Celsius scale until you get down to -40°, which is where the Celsius and Fahrenheit scales meet. Below this temperature, degrees Fahrenheit are lower than degrees Celsius.

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T = 2π√(L/g)

For earth , g ~ 10

18.9 = 2×3.14 √(L/g)

9 = L/g

L = 90 metres

Answer:

88m

Explanation:

T=2π*\(\sqrt{L/g}\)-->Τ/2π=\(\sqrt{L/g}\)-->18.9/2π=\(\sqrt{L/g}\)-->3=\(\sqrt{L/g}\)-->3^2=L/g-->9=L/9.8

so L=9*9.8-->L≈88m

Answer:

Explanation:

When more energy is added to a wave, the properties that can increase are the amplitude and frequency. Amplitude is the measure of the maximum displacement of a particle from its equilibrium position in a wave, while frequency is the number of oscillations or cycles that a wave completes per unit time. An increase in the amplitude of a wave means that the wave has more energy, while an increase in frequency indicates that the wave has more oscillations per unit time. Therefore, both amplitude and frequency are directly proportional to the amount of energy in a wave.

Answer:

10 m/s²

Explanation:

We know F = ma.

=> 100N = 10kg x a

=> a = 100 / 10 = 10 m/s²

BRAINLIEST.

BAM!

If we apply a constant force of 100 N on a 10 kg object that is located on a frictionless surface, the acceleration of the object would be 10 meters/second².

The rate of change of the velocity with respect to time is known as the acceleration of the object.

As given in the problem If we apply a constant force of 100 N on a 10 kilograms  object that is located on a frictionless surface, then we have to find out the acceleration

acceleration on the frictionless surface = force /mass

                                                                 = 100 Newtons/10 kilograms

                                                                 =10 meters/second²

Thus, the acceleration of the object is 10 meters/second².

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The total charge in the circuit is 240 microcoulombs.

To calculate the total charge in a series circuit with capacitors, we need to use the formula Q = CV, where Q represents the charge, C is the capacitance, and V is the voltage.

In this case, we have three capacitors connected in series with capacitances of 4 μF, 3 μF, and 2 μF, respectively. The voltage across the circuit is 260 V.

To find the total capacitance (C_total) in a series circuit, we use the reciprocal rule: 1/C_total = 1/C1 + 1/C2 + 1/C3. Plugging in the values, we get 1/C_total = 1/4 + 1/3 + 1/2.

Simplifying this equation gives us 1/C_total = (3 + 4 + 6)/12 = 13/12. Taking the reciprocal, we find C_total = 12/13 μF.

Now, we can calculate the total charge (Q_total) using Q = C_total × V. Substituting the values, we get Q_total = (12/13) μF × 260 V.

Calculating the numerical value, Q_total = (12/13) × 260 = 240 μC (microcoulombs).
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The force (expressed in N), the egg experience upon hitting the ground is 3.5N.

When two or more forces are acting on the system of objects, then the to attain equilibrium, net force must be zero.

Given is an 0.07 kg egg and toss if from a window 30 m above the ground. The egg reaches and maintains a falling speed of 0.5 m/sec. Upon reaching the ground, the egg rapidly decelerates to 0 m/sec over the course of only 0.01 seconds.

F = m x (Vf -Vi)/t

F = 0.07 x (0 - 0.5)/0.01

F = -3.5N

Thus, the magnitude of force on egg upon hitting the ground is 3.5N.

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Answer:

Explanation:

Satellite A and satellite B are approaching the earth from opposite directions , that means they are approaching each other . The velocity of satellite A and B are .648c and .795c respectively . Their velocities are comparable to velocity of light so they will follow relativistic laws .

Their relative velocity will be given by the following relation .

\(V_r=\frac{u+v}{1+\frac{uv}{c^2} } }\)

where u and v are velocities of vehicles coming from opposite direction and c is velocity of light .

\(V_r=\frac{.795c+.648c}{1+\frac{.648c\times .795c}{c^2} } }\)

\(V_r=\frac{1.443c}{1+.515 } }\)

= .952c

When the block's radius and tangential speed are known, the centripetal acceleration of the block may be determined because ac=v2rac=v2r.

What exactly is a force in science?

Physics appears to have a clear definition for the word "force." A force of this magnitude can be described as either a push or a pull. A force does not "be in it" or "be inside it." A force from another object can affect something else.

What do the terms force and motion mean?

Basically, a push or pull that impacts anything or energy as a property of physical motion or movement is referred to as force. It happens when two things come together. A body is also considered to be in motion when it is moving.

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Answer:

The speed of the plank relative to the ice is:

\(v_{p}=-0.33\: m/s\)

Explanation:

Here we can use momentum conservation. Do not forget it is relative to the ice.

\(m_{g}v_{g}+m_{p}v_{p}=0\) (1)

Where:

Now, as we have relative velocities, we have:

\(v_{g/b}=v_{g}-v_{p}=1.55 \: m/s\) (2)

v(g/b) is the speed of the girl relative to the plank

Solving the system of equations (1) and (2)

\(45v_{g}+168v_{p}=0\)

\(v_{g}-v_{p}=1.55\)

\(v_{p}=-0.33\: m/s\)

I hope it helps you!      

"Gauss's law gives the amount of electrical flux that passes through a surface that surrounds an electrical charge. gauss's law works, only if that surface is cube, sphere, and cylinder." The correct options are A, B,C.

The amount of charge present on a Gaussian surface is the only factor affecting the electric flux that passes through it; size or shape have no effect.

The electric field must be 0 at all locations of a Gaussian surface if there is no charge inside of it.

In accordance with Gauss's Law, the enclosed charge divided by the permittivity yields the total electric flux leaving a closed surface. The surface area projected in a plane perpendicular to the electric field is multiplied by the electric field to determine the electric flux in a given area.

Thus, for the Gauss Law to be applicable, the surface should be closed.

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A 6 cm object is 8 cm from a convex lens that has a focal length of 2.7 cm. The image is 4 cm from the lens. The height of the image is 3 cm

To find the height of the image, we can use the magnification formula:

Magnification (M) = Image height (h') / Object height (h) = Image distance (d') / Object distance (d)

We are given:
- Object height (h) = 6 cm
- Object distance (d) = 8 cm
- Image distance (d') = 4 cm

We need to find the image height (h').

First, let's find the magnification (M) using the formula:

M = d' / d = 4 cm / 8 cm = 0.5

Now, we can find the image height (h'):

h' = M * h = 0.5 * 6 cm = 3 cm

So, the height of the image is 3 cm.

The question was Incomplete, Find the full content below :

A 6 cm object is 8 cm from a convex lens that has a focal length of 2.7 cm. The image is 4 cm from the lens. The height of the image is ___ cm.

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Answer:

i cant make funny joke

Explanation:

but i can be alive.

wait no, im failing at that currently.

the ball will strike the opposite wall 6.22 m below its original level.

To solve this problem, we need to use the equations of motion for a projectile. The horizontal and vertical components of the initial velocity are:

V₀x = V₀ cosθ = 6.1 cos(40°) = 4.65 m/s

V₀y = V₀ sinθ = 6.1 sin(40°) = 3.91 m/s

The time it takes for the ball to reach the opposite wall can be found using the horizontal distance and the horizontal component of velocity:

d = V₀x t

t = d / V₀x = 15.24 m / 4.65 m/s = 3.28 s

The vertical distance traveled by the ball can be found using the equation:

y = V₀y t - 1/2 g t²

where g is the acceleration due to gravity, which is -9.81 m/s² (negative because it acts downward). Substituting the known values, we get:

y = 3.91 m/s × 3.28 s - 1/2 × 9.81 m/s² × (3.28 s)² = 6.22 m

Therefore, the ball will strike the opposite wall 6.22 m below its original level.

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Answer:

A lateral eruptions or lateral blast is a volcanic eruption which is directed laterally from a volcano rather than upwards from the summit. Lateral eruptions are caused by the outward expansion of flanks due to rising magma. Breaking occurs at the flanks of volcanoes making it easier for magma to flow outward.

Explanation:

Answer:

Here you go, hope this helps! :)

Explanation:

Opportunity cost is the value of the next best thing you give up whenever you make a decision. It is "the loss of potential gain from other alternatives when one alternative is chosen". ... For example, opportunity cost is how much leisure time we give up to work.

Following are the answers:

1. To calculate the pressure exerted by the water column on the surface of the mercury, we can use the formula:

Pressure = force/area

The force is the weight of the water column and the area is the cross-sectional area of the container.

The weight of the water column is given by the mass of the water times the acceleration due to gravity:

mass = density x volume

volume = area x height

So, mass = density x area x height = 1000 kg/m^3 x pi x (0.025 m)^2 x 0.25 m = 0.196 kg

Weight = mass x acceleration due to gravity =\(0.196 kg * 9.8 m/s^2\) = 1.92 N

The cross-sectional area of the container is pi x (0.025 m)^2 =\(0.196 m^2.\)

So, Pressure = force/area = \(1.92 N/0.196 m^2 = 9.79 N/m^2\) or 9.79 Pa

2. To calculate the density of the oil, we can use the formula:

density = mass/volume

Since the height of the oil column is 0.92 m and the cross-sectional area of the container is 0.196 m^2, the volume of the oil column is 0.196 m^2 x 0.92 m = 0.18012 m^3.

We do not know the mass of the oil, but we can calculate it using the pressure exerted by the oil column on the surface of the mercury:

Pressure = force/area = density x acceleration due to gravity x height

So, density = Pressure/ (acceleration due to gravity x height) = 9.79 N/m^2 / (9.8 m/s^2 x 0.92 m) = 1060 kg/m^3.

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