Question

An object of mass 10 kg is moving with a velocity of 15 m/s. It velocity increases to 25m/s on applying a constant force continuously for 5s . ​

Answer 1

Answer:

Mass (m)=10kg.

Initial velocity (u)=15m/s.

Final velocity (v)=25m/s.

Time taken (t)=10s.

Change in momentum (Δp)=m(v−u).

⇒Δp=10(25−15)=100kg m/s.

We know that,

Force(F)=ma=tΔp

⇒F=tΔp=10100=10N.

Answer 2

Answer:

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Explanation:

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