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zhannawk [14.2K]
3 years ago
14

A body of mass 5 kg is at rest what would be the magnitude of force which will make the body move with the velocity of 10 metre

per second to the power -1
AND end of 0.5 second​
Physics
1 answer:
kondor19780726 [428]3 years ago
5 0

Answer:

===========100N is required force

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a tire with inner volume of 0.0250m^3 is filled with air at a gauge pressure of 36.0 psi. If the tire valve is opened to the atm
enyata [817]

Answer: Escaped volume = 0.0612m^3

Explanation:

According to Boyle's law

P1V1 = P2V2

P1 = initial pressure in the tire = 36.0psi + 14.696psi = 50.696psi (guage + atmospheric pressure)

P2 = atmospheric pressure= 14.696psi

V1 = volume of tire =0.025m^3

V2 = escaped volume + V1 ( since air still remain in the tire)

V2 = P1V1/P2

V2 = 50.696×0.025/14.696

V2 = 0.0862m^3

Escaped volume = 0.0862 - 0.025 = 0.0612m^3

5 0
3 years ago
Is our body in thermal equilibrium with the environment ?​
LenKa [72]

Answer:

The human body runs at a constant 37 ºC but the air around you at room temperature is about 20-25 ºC which means heat is constantly leaving your body to warm your surroundings and maintain thermal equilibrium. You don't lose much energy doing this however as air heats reasonably quickly

Explanation:

4 0
3 years ago
When the cart moves on an incline at constant speed, it is in equilibrium; i.e., the net force on it is zero. Does it require mo
Amanda [17]

Answer:

It requires more tension to pull up the track

Explanation:

Net force must be zero to maintain constant velocity.

Weight force will always be pointed down the slope. Call it W

Friction force (Call it Ff) will be down slope when movement is up slope.

Friction force will be up slope when movement is down slope.

W and Ff are always positive numbers

Call the pulling force T

If Up slope is considered the positive direction

Moving up slope

Tu - Ff - W = 0

Tu = Ff + W

Moving down slope

Td + W - Ff = 0

Td = Ff - W

Ff + W > Ff - W therefore Tu > Td

5 0
3 years ago
A polo player hits a ball with a mass of 0.42 kg with a force of 7.35 Newtons.
Serga [27]
Due to the law of conservation of momentum, the force exerted on the mallet is equal and opposite to the force exerted on the ball, so the answer is C.
4 0
3 years ago
Read 2 more answers
A woman is conquering her fear of heights by going bungee jumping. She has a mass of 90 kg. She falls from the tower for a few s
Serhud [2]

Answer:

Explanation:

weight of woman acting downwards = 90 x 10 = 900 N

force by bungee cord in upward direction = 500 N

net force = 900 - 500 = 400 N in downward direction

acceleration in downward direction

= 400 / 90

= 4.44 m /s²

7 0
3 years ago
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