A bus is moving forward at 20 m/s. A student on the bus throws a tennis ball horizontally at 15 m/s toward the front of the bus. From the perspective of an observer on the sidewalk outside the bus, the tennis ball appears to move at—
F. 5 m/s
G. 15 m/s
H. 20 m/s
J. 35 m/s
Answers: 2
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A bus is moving forward at 20 m/s. A student on the bus throws a tennis ball horizontally at 15 m/s...
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