Question
Drop five different balls from a height of 2 m on two different surfaces, and carefully observe and record the bounce heights. Calculate the coefficient
Drop five different balls from a height of 2 m on two different surfaces, and carefully
observe and record the bounce heights. Calculate the coefficient of restitution for
each ball on each surface, and explain your results.
Baseball: Drop___ Height____Bounce____Height____e________
Soccer ball: Drop___ Height____Bounce____Height____e________
Tennis Ball: Drop___ Height____Bounce____Height____e________
Golf Ball: Drop___ Height____Bounce____Height____e________
Basketball: Drop___ Height____Bounce____Height____e________
and I need someone to double check my answers on this one please
Using a stopwatch, run up a flight of stairs (Note: safety). Complete the portion of
the chart below. Use a ruler to measure the height of one stair, then multiply by the
number of stairs to calculate the total change in height. Calculate work, power, and
change in potential energy.
Wt (N) 578.27
Mass (kg) 59
Time (s) 60
Av. Vel. (m/s) 3540 N
Ht (m) 1.18
Work (J) 4177.2
Power (W) 69.62
PE (J) 125316
Thank you for your help!
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