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A helicopter’s speed increases from25 m/s to 60 m/s in 5 seconds. Whatis the acceleration of this helicopter? 12 m/s2 7 m/s2 300 m/s2 5 m/s2 A runner makes one lap around a 200 m track ina time of 25 seconds. What was the runner's average speed? 1,000 m/s 100 m/s 24 m/s 8 m/s The graph below shows the distance a studenttraveled over time in the hall. What was the average speed of the student from 15 seconds to 30 seconds? 100 m/s 4 m/s 1 m/s 5 m/s 4 m/s2 15 m/s2 Calculate the acceleration of the block. 20 N 100 m/s2 25 m/s2 5 kg Which description best describes the race? Bob won the race. Albert lost the race. Charlie tripped on his untied shoe laces during the race. He tried to catch up, but lost. Charlie won the race when he took a shortcut. |