Two students perform an experiment with a train and a ball. Michelle rides on a
ID: 2114099 • Letter: T
Question
Two students perform an experiment with a train and a ball. Michelle rides on a flatcar pulled at 8.35 m/s by a train ona straight, horizontal track. Gary stands at rest, onthe ground near the tracks. When Michelle throws the ball with an initial angle of 65 degrees above horizontal, from her point of view, Gary sees ball rise straight up and back down from a fixed point on the ground.
A. Did Michelle throw the ball towards the front of the train or towards the rear of the train? Explain.
B. What was the speed of Michelle's throw?
C. What was the initial speed of ball as seen by Gary?
HELP!!!! Need detail explaination as to how you are solving with equations please. Thank you.
Explanation / Answer
A)towards rear of the train.With respect to a stationary observer the horizontal velocity of ball is zero so the velocity of train has been cancelled by horizontal component of tthe throw
B)ucos(65)=8.35=> u=19.757 m/s
c)usin(65)=17.906 m/s
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