Question

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Answer 1

Answer:

Momentum= 100kgm/s

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Explanation:

force= 20N

mass= 30kg

time= 5s

momentum= mass× velocity

velocity= acceleration× time

acceleration= force/mass

velocity= (2/3)*5

=10/3

momentum= 30(10/3)

momentum= 100 kgm/s

Answer 2

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Given,

• F = 20 N
• m = 30 kg
• t = 5 seconds
• initial velocity u = o m/s

To find change in momentum

momentum change = final momentum - initial momentum

∆p = m(v-u)

= 30(15-0)

= 450 kg m/s

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