Question

a force of 10n acts on a body as a result the speed changes from 1m/s to 2m/s find the distance if the mass of the body is 1kg​

Answer 1

Explanation:

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Answer 2

Answer:

Given:

F=10 N,m=2 kg,t=3s, Initial velocity, u=0

Step 1: Acceleration of the body

F=ma

$\rm \green{⇒a => \frac{F}{m} => \frac{10N}{2Kg} = 15m/s²}$

Step 2: Velocity acquired by the body after 3s

As acceleration is constant, therefore applying equation of motion:

$\sf\red{\boxed{v=u+at=0+5×3=15m/s}}$

Step 3: Change in momentum

Change in momentum = Final momentum − Initial momentum

=> mv−mu=m(v−u)

=> 2kg (15 m/s−0)

=> 30 kg-m/s

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