A 150kg ball, travelling at 30m/s, strikes the palm of a player’s hand and is stopped in 0.05second. Find the force exerted by the ball on the hand
Answers
Answer:
hey mate! here's your answer.
Given - m= 150g , u = 30m/s , t = 0.06s and v = 0m/s
Given - m= 150g , u = 30m/s , t = 0.06s and v = 0m/sForce (F) =150 x 10-3( 0- 30 )/0.06
Given - m= 150g , u = 30m/s , t = 0.06s and v = 0m/sForce (F) =150 x 10-3( 0- 30 )/0.06 F = - 75N
Given - m= 150g , u = 30m/s , t = 0.06s and v = 0m/sForce (F) =150 x 10-3( 0- 30 )/0.06 F = - 75NThe negative sign indicates that the direction of force is opposite to the direction of motion of the ball.
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✎ Given-✎
☞Mass of Ball = 150kg
☞Initial Speed of the ball = 30m/s
☞Final Speed of ball = 0m/s
☞Time taken= 0.05 sec
✎ To FInd-✎
☞Force -?
✎ Formulas used-✎
☞
☞
where,
F= force,
m= mass,
a= acceleration,
v= final speed,
u= initial speed.
✎ SoLution-✎
☞At first we will find acceleration ,
☞Now,
F = m×a
F = 150 × (-600)
F= 90000 N
.