Question

a 0.5kg baseball experiences a 10N force for the duration of 0.1s what is the change in velocity of the baseball?

Answer 1

Explanation:

force=mass×(final-initial velocity)

m=0.5kg

10×0.1=0.5×change in velocity

=0.2

Answer 2

The change in velocity of the baseball is 2 m/s.

Explanation:

Given that,

Mass of the baseball, m = 0.5 kg

Force, F = 10 N

Time duration of force, t = 0.1 s

To find,

The change in velocity of the baseball.

Solution,

The impulse imparted by an object is given by :

$J=F\times t$

Impulse is equal to the change in momentum of an object i.e.

$m(v-u)=F\times t$

(v-u) is the change in velocity of the baseball

$(v-u)=\dfrac{Ft}{m}$

$(v-u)=\dfrac{10\times 0.1}{0.5}$

(v-u)= 2 m/s

So, the change in velocity of the baseball is 2 m/s.

Learn more,

Impulse

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