An ideal gas is in a sealed rigid container. the average kinetic energy of the gas molecules depends most on

What is the mass of the other block?

xeze [42]

Let us consider the tension produced on both the sides of the rope is T.

We have been given that the rope is mass less and the rope is passing through a pulley which is stationary.

$Let\ m_{1} and\ m_{2}\ are\ the\ masses\ of\ two\ blocks$

$Let\ m_{1}\ is\ moving\ in\ vertical\ upward\ direction\ while\ m_{2}\ is\ in\ downward\ \ direction$

$Hence\ m_{2} =4.5\ kg$

The body is moving downward with an acceleration of $\frac{3}{4} g$

As the rope is the same one which is passing over a mass less pulley and connected by two masses,hence, acceleration of each block will be the same in magnitude.

$For\ body\ m_{1}$

Here the tension is acting in vertical upward direction and the weight is acting in vertical downward direction. Here,the body is moving in vertical upward direction. Hence, the net force acting on it is-

$T-m_{1} g=m_{1}a$ [1]

$For\ body\ m_{2}$

Here the tension is acting in vertical upward direction while weight is in vertical downward direction. The body is moving in downward direction. Hence the net force acting on it will be-

$m_{2} g-T=m_{2} a$ [2]

Combing 1 and 2 we get-

$T-m_{1}g=m_{1}a$

$m_{2} g-T=m_{2} a$

-------------------------------------------------

$[m_{2} -m_{1} ]g=a[m_{1}+ m_{2}]$

$[4.5-m_{1}]g =\frac{3}{4}g[4.5+ m_{1}]$

$4[4.5-m_{1}] =3[4.5+m_{1} ]$

$7m_{1} =4.5 kg$

$m_{1} = 0.64286 kg$ [ans]

4 0

2 years ago

A farmers field , which are close to a stream has experienced a lot of runoff. One possible effect of the run off is that the st

Vladimir79 [104]

Answer:

This statement is false.

Explanation:

If the farmers field is close to the stream, and has experienced a lot of runoff, the runoff will carry chemicals from the farm into the stream, which includes fertilizers among other chemicals. This runoff into the stream will not lead to a decrease in the level of fertilizers in the stream. Therefore, one of the effect of this cannot be a decrease in the level of fertilizers from the field.

6 0

2 years ago

Explain why white light splits up into the different colours when it goes through a prism

Paladinen [302]

Explanation:

beacuse light is mixture of many different colours,each with different frequency

7 0

2 years ago

A single loop of area 0.193 m2 is placed perpendicular to a magnetic field of 0.374 T. The loop is rotated about an axis lying i

DENIUS [597]

Answer: The angular speed w of the loop = 181 rad/s

Explanation:

Given that;

Area A = 0.193 m2

Magnetic field B = 0.374 T

E.m.f = 9.24v

Ø = 45 degree

According to Faraday's law when the magnetic flux linking a circuit changes, an electromotive force is induced in the circuit proportional to the rate of change of the flux linkage.

Using the formula

E.m.f = NABwcosØ

Where w = angular velocity.

Let assume that N = 1 then,

9.24 = 0.193 × 0.374 × w × cos45

9.24 = 0.051w

w = 9.24/0.051

w = 181 m/s

Therefore, the angular speed w of the loop = 181 rad/s

4 0

2 years ago

Which of the following do cutoffs form in a meandering river

mrs_skeptik [129]

Answer: An oxbow lake forms after there has been deposition of sediment, by the new cutoff channel flowing adjacent to it, at the entrances of the abandoned bend; this seals the bend off from the rest of the river.

8 0

3 years ago