Question

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Answer 1

Explanation:

From question,

Force F= 15N

Mass m, =5 kg

time t, = 10 sec.

Initial velocity u = 0 m/s

Now,

F= m× a that is mass × acceleration

15 = 5 × a

a= 15/5

a= 3 m/s²

Velocity,

v= u+ at

= 0 + 3 × 10

v= 30 m/s

Another method,

a= velocity/time

velocity = a× time

= 3 × 10

= 30m/s.

Answer 2

Answer:

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