If the speed of a particle is doubled, what happens to its kinetic energy?

Physics

1 answer:

Norma-Jean [14]3 years ago

4 0

Answer:

it increases

Explanation:

maybe for example we have 5pets then you multiple them by two u get 10

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If you hadto throw one of the fourtoys above, which one would take the MOST force to throw

ohaa [14]

Answer:

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Explanation:

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What kind of quantity is displacement?

Serhud [2]

Answer:

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Explanation:

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A 16.0kg canoe moving to the left at 12.5m/s makes an elastic head-on collision with a 14.0kg raft moving to the right at 16.0m/

kherson [118]

The canoe is moving at 14.1 m/s to the right after the collision.

Explanation:

According to the law of conservation of momentum, in absence of external forces the total momentum of the system must be conserved before and after the collision. So we can write:

$p_i = p_f\\m_1 u_1 + m_2 u_2 = m_1 v_1 + m_2 v_2$

where:

$m_1 = 16.0 kg$ is the mass of the canoe

$u_1 = -12.5 m/s$ is the initial velocity of canoe (we take right as positive direction, and since the canoe is moving to the left, its velocity is negative)