The driver then tests the brakes on the car and safely comes to a complete stop with constant acceleration from 26.8 meters per second in only 32.3 meters.
A. What is the magnitude and direction of the cars acceleration?
B. How much time did the car travel under this constant acceleration before stopping?
Answers: 3
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Matter is needed to transfer thermal energy bya. conductionb. convectionc. radiation d. both a & b.
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Ahot-air balloon takes off from the ground traveling vertically with a constant upward acceleration of magnitude g/4. after time interval δt, a crew member releases a ballast sandbag from the basket attached to the balloon. how many seconds does it take the sandbag to reach the ground? (express your answer in terms of δt)
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