A ball of mass m = 1.75 kg is released from rest at a height h = 57.0 cm above a light vertical spring of force constant k as in Figure [a] shown below. The ball strikes the top of the spring and compresses it a distance d = 8.70 cm as in Figure b] shown below. Neglecting any energy losses during the collision, find the following. (a) Find the speed of the ball just as it touches the spring. m/s (b) Find the force constant of the spring. kN/m Hwwww

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Chapter5: Energy
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A ball of mass m = 1.75 kg is released from rest at a height h =
57.0 cm above a light vertical spring of force constant k as in Figure [a] shown below. The ball strikes the top of the spring and
%3D
compresses it a distance d = 8.70 cm as in Figure b] shown below. Neglecting any energy losses during the collision, find the following.
%3D
11
a
(a) Find the speed of the ball just as it touches the spring.
m/s
(b) Find the force constant of the spring.
kN/m
Transcribed Image Text:A ball of mass m = 1.75 kg is released from rest at a height h = 57.0 cm above a light vertical spring of force constant k as in Figure [a] shown below. The ball strikes the top of the spring and %3D compresses it a distance d = 8.70 cm as in Figure b] shown below. Neglecting any energy losses during the collision, find the following. %3D 11 a (a) Find the speed of the ball just as it touches the spring. m/s (b) Find the force constant of the spring. kN/m
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