Question

an object of mass 10kg moving with a velocity of 15m/s its velocity increase to 25m/s on applying a constant forced continusly for 5s . find its accleraof an object?.find force applied?​

Answer 1

Answer:

Given,

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=

t

Δp

⇒F=

t

Δp

=

10

100

=10N

Answer 2

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