A car initially moving at 10 m/s accelerates to 20 m/s. By what factor does the momentum change?

2 times

Explanation:

Given:

u = 10 m/s

v = 20 m/s

To Find:

Factor of change in Momentum = ?

Solution:

Final Momentum = mv

Final Momentum = m(20)

Final Momentum = 20m

Initial Momentum = mu

Initial Momentum = m(10)

Initial Momentum = 10m

Therefore, Factor of change in Momentum = 20m / 10m = 2 times

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the answer is false. this is because for ice to melt, it requires latent heat of melting. latent heat means heat energy required to change phase without any increase in temperatures. therefore, the ice will take energy from the environment to melt hence atmospheric temperatures will reduce.

could you add the photo?

explanation: