1. One possible unit of speed is a. miles per hour. b. light years per century....

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1. One possible unit of speed is a. miles per hour. b. light years per century. c. kilometers per hour. 2. Acceleration is defined as the CHANGE in a. time it takes to move from one place to another place. b. velocity of an object. C. distance divided by the time interval. d. velocity divided by the time interval. e. time it takes to move from one speed to another speed. 3. As an object falls freely in a vacuum, its a. velocity increases. b. acceleration increases. d. all of the above. e. none of the above. a. b. 4. A ball is thrown upwards and caught when it comes back down. In the absence of air resistanse the ball when caught would be less than the speed it had when thrown upwards. more than the speed it had when thrown upwards. the same as the speed it had when thrown upwards. C. c. both A and B. d. none of the above. 1. One possible unit of speed is a. miles per hour. b. light years per century. c. kilometers per hour. 2. Acceleration is defined as the CHANGE in a. time it takes to move from one place to another place. b. velocity of an object. C. distance divided by the time interval. d. velocity divided by the time interval. e. time it takes to move from one speed to another speed. 3. As an object falls freely in a vacuum, its a. velocity increases. b. acceleration increases. d. all of the above. e. none of the above. a. b. 4. A ball is thrown upwards and caught when it comes back down. In the absence of air resistanse the ball when caught would be less than the speed it had when thrown upwards. more than the speed it had when thrown upwards. the same as the speed it had when thrown upwards. C. c. both A and B. d. none of the above.

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Answerc kilometre per hour Explanations Speed is the rate at which anything is moving or travelling ... View the full answer