Answered: 5. The spring in the toy gun has an… | bartleby

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answer no. 5
draw the free body diagram

4. The 10kg block is released from rest on the horizontal surface at point B, where the spring has been
stretched a distance of o.5m from its neutral position A. The coefficient of kinetic friction between the
block and the plane is o.30. Calculate the velocity of the block as it passes point A and the maximum
distance x to the left of A which the block goes.
C
A
-x - 0.5 m
B
k = 300 N/m
10 kg
HA = 0.30
%3D
5. The spring in the toy gun has an unstretched length of 100 mm. It is compressed and locked in the
position shown. When the trigger is pulled, the spring unstretches 12.5 mm, and the 20-g ball moves
along the barrel. Determine the speed of the ball when it leaves the gun. Neglect friction.
50 mm
-150 mm
k = 2 kN/m

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