(Answered) 1 a bicylist travels east at 5 ms for 100 seconds then east

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1) A bicylist travels east at 5 m/s for 100 seconds, then east at 7 meters per second for 50 second before a sudden reversal and 90 second for traveling west at 3 meters per second.

a) calcualte the distance traveled during each stage and the total distance traveled

b) what displacement does the bicylist make during the whole 240 seconds rime period?

c) What is the average speed of the cyclist for the 240 second time perios?

d) What is the average velocity of the cyclist for the 240 second time period?

2) a racquetball traveling sideways to the right at 25 meter/ second toward a wall bounces back to the left at a speed of 20 m/s after touching the wall for 0.008 seconds. Calculate the average acceleration of the ball during this time.

3) A car tavels on a stainght road toward at 30m/s for half an hour, and then reverses and travel 20m/s back for 20 minutes. find the average velocity and the average speed for the entire tip.

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