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chuikia
Questions (5)
A test rocket is fired vertically upward from a well. A catapult gives it an initial speed of 81.0 m/s at ground level. Its
0 answers
840 views
The height of a helicopter above the ground is given by h = 2.90t3, where h is in meters and t is in seconds. After 2.35 s, the
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591 views
As soon as a traffic light turns green, a car speeds up from rest to 46.0 mi/h with constant acceleration 8.50 mi/h-s. In the
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695 views
A hard rubber ball, released at chest height, falls to the pavement and bounces back to nearly the same height. When it is in
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791 views
Kathy Kool buys a sports car that can accelerate at the rate of 5.00 m/s2. She decides to test the car by racing with another
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946 views
