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Bluto is trying to run away with Olive Oyl while Popeye is trying to hold onto...

Bluto is trying to run away with Olive Oyl while Popeye is trying to hold onto her. Bluto pulls towards the west with 300 N of force. Popeye pulls eastward with a strength of 275 N. Olive Oyl helps Popeye with 50 N of force.
A) What is the net force acting on Olive Oyl?
B) What is Olive Oyl's acceleration if her mass is 30 kg (~66 lbs)?
C) If nobody lets go or gets tired, how long will it take to drag Olive Oyl onto Popeye's boat (5m away) where they can sail away from Bluto?
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here,

the force exerted by Bluto , F1 = - 300 N

force exerted by Popeye , F2 = 275 N

force exerted by Olive Oyl , F3 = 50 N

a)

the net force on Olive Oyl ,Fn = F1 + F2 + F3

Fn = - 300 + 275 + 50 N = 25 N

b)

mass of Olive Oyl , m = 30 kg

the acceleration of Olive Oyl , a = Fn /m

a = 25 /30 m/s^2 = 0.83 m/s^2

c)

let the time taken be t

for s = 5m

s = u * t + 0.5 * a * t^2

5 = 0 + 0.5 * 0.83 * t^2

solving for t

t = 3.46 s

the time taken is 3.46 s

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