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Seconds uhile it is coun
cauming
to a shop
42.) A 0.050 kq white ball is thrown hori zontaly
tou ord
The bartter suings the bat and hits the bally
boatter of
12.3 mls o
a
applying
Hhe ball to head back in the
an ave rage force f 15.714N to te ball
e opposte
causing
diredtion Causu from the ba Her) at d.70 mis, lossumpg
that away drom hatter is the possitive t-diedin,
determine the time that the boot and ball wire
in Cantact, Report
in Mondreths of
ansaer
your
second enter humerical volve
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Transcribed Image Text:Seconds uhile it is coun cauming to a shop 42.) A 0.050 kq white ball is thrown hori zontaly tou ord The bartter suings the bat and hits the bally boatter of 12.3 mls o a applying Hhe ball to head back in the an ave rage force f 15.714N to te ball e opposte causing diredtion Causu from the ba Her) at d.70 mis, lossumpg that away drom hatter is the possitive t-diedin, determine the time that the boot and ball wire in Cantact, Report in Mondreths of ansaer your second enter humerical volve
Expert Solution
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Step 1

In this case, an impulse is acted on the ball, which is the case of the change of momentum of the ball in a short time interval due to a large force acting on it.

The impulse on the ball can be found by the change in the momentum of the ball, as

I=p2-p1p2 is the final and p1 is the initial momentum of the ballAs the ball travels in the opposite direction after being hit, so the momenta of the ball are oppositely directedI=p2-(-p1)I=p2+p1I=mv2+mv1I=m(v2+v1)I=0.05(9.7+12.3)I=1.1 Ns

This is the impulse acting on the ball

 

Step 2

The impulse is also defined as the amount of force acting on the ball in a short time interval t.

So, impulse can also be written as

I=Ftt is the time interval for which the force has been acted upon.So, t=IFt=1.115.714t=0.07 st=7×10-2 s

This is the time for which the bat and ball were in contact.

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