Question

when a force applied on a body of mass 10 kg for a period of 4 second, the velocity of the body when from 6 metre per second to 8m/s
what is the impulse expirenced by the body​

Answer 1

Answer:

20N

solution:

For impulse we need force, and for that we need acceleration

$a = \frac{v - u}{t} \\ a = \frac{8 - 6}{4} \\ a = 2 \div 4 \\ a = 0.5m {s}^{ - 2}$

Force:

F=10×0.5

F = 5N

Impulse= F∆t

Impulse = 5×4

Impulse = 20N

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