31-01-2020
Physics

contestada

what is the change of momentum of an 80 N force that lasts for 0.4 seconds

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sonia423 sonia423

07-02-2020

Impulse = Change in momentum =

Force x time = 32 kgms⁻¹

Explanation:

IMPULSE :

A large force acting for a short time to produce a finite change in momentum is called an impulsive force. It is defined as the product of the force and the time for which it acts and is equal to the total change in momentum.

we have F = 80 N

t = 0.4 s

Impulse = change in momentum = Force X time duration

= 80N x 0.4s = 32 kgms⁻¹

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