A 1.6-kg ball is attached to the end of a 0.40-m string to form a pendulum. This pendulum is released from restwith the string horizontal. At the lowest point of its swing, when it is moving horizontally, the ball collides with a0.80-kg block initially at rest on a horizontal frictionless surface. The speed of the block just after the collision is3.0 m/s. What is the speed of the ball just after the collision?a. 1.5 m/sb. 1.3 m'sc. 2.1 m/sd. 1.1 m/se. 1.7 m/s

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Asked Mar 31, 2019
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A 1.6-kg ball is attached to the end of a 0.40-m string to form a pendulum. This pendulum is released from rest
with the string horizontal. At the lowest point of its swing, when it is moving horizontally, the ball collides with a
0.80-kg block initially at rest on a horizontal frictionless surface. The speed of the block just after the collision is
3.0 m/s. What is the speed of the ball just after the collision?
a. 1.5 m/s
b. 1.3 m's
c. 2.1 m/s
d. 1.1 m/s
e. 1.7 m/s
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A 1.6-kg ball is attached to the end of a 0.40-m string to form a pendulum. This pendulum is released from rest with the string horizontal. At the lowest point of its swing, when it is moving horizontally, the ball collides with a 0.80-kg block initially at rest on a horizontal frictionless surface. The speed of the block just after the collision is 3.0 m/s. What is the speed of the ball just after the collision? a. 1.5 m/s b. 1.3 m's c. 2.1 m/s d. 1.1 m/s e. 1.7 m/s

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Using conservation of energy,

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Using conservation ...

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