3 years ago

A moving object has a kinetic energy of 150J. what is the mass of the object if its momentum is 25kgm/s

Physics

1 answer:

Umnica [9.8K]3 years ago

8 0

Answer:

hooopppee itt heeelppss

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3 years ago

Two boxes (24 kg and 62 kg) are being pushed across a horizontal frictionless surface, as the drawing shows. The 36-N pushing fo

defon

Answer:

$F = 26.04 N$

Explanation:

As we know that system of two boxes are moving on frictionless surface

So here if two boxes are considered as a system

then we have

$F = (m_1 + m_2) a$

$m_1 = 24 kg$

$m_2 = 62 kg$

$F = 36 N$

$36 = (24 + 62) a$

$a = 0.42 m/s^2$

Now since we know that both the boxes are moving together so force applied by first box on other box is given as

$F = ma$

$F = (62 \times 0.42)$

$F = 26.04 N$

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3 years ago