2 years ago

It moved from 0 cm to 5 cm at a constant speed of 1 cm/s.

Physics

1 answer:

Stels [109]2 years ago

8 0

It moved from 0 cm to 4 cm at a constant speed of 1 cm/s.

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Oxana [17]

What are you asking?

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Two objects, with different masses, have a gravitational potential energy of 100 J each; they are released from rest and fall to

Fittoniya [83]

The statement can't be true. Objects with different masses held at the same height don't have the same gravitational potential energy.

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3 years ago

A 65.8-kg person throws a 0.0413 kg snowball forward with a ground speed of 32.5 m/s. A second person, with a mass of 58.7 kg, c

guapka [62]

Answer:

$v_{1} = 2.490\,\frac{m}{s}$

$v_{2} = 0.023\,\frac{m}{s}$

Explanation:

The statement is described physically by means of the Principle of Momentum Conservation. Let assume that first person moves in the positive direction:

First Person

$(65.8\,kg)\cdot (2.51\,\frac{m}{s}) = (65.8\,kg)\cdot v_{1} + (0.0413\,kg)\cdot (32.5\,\frac{m}{s} )$

Second Person

$(0.0413\,kg)\cdot (32.5\,\frac{m}{s})+(58.7\,kg)\cdot (0\,\frac{m}{s})=(0.0413\,kg+58.7\,kg)\cdot v_{2}$

The final velocities of the two people after the snowball is exchanged is:

$v_{1} = 2.490\,\frac{m}{s}$

$v_{2} = 0.023\,\frac{m}{s}$

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2 years ago

Ball A is negatively charged and ball B is electrically neutral. What happens to the charges of both balls when they come into c

tresset_1 [31]

Explanation:

They will repel, thus made of electrical conductor.

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A stone weighing 0.7 kilograms rolls down the inclined plane from position B to position A. Position A is located at sea level.

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