Posted by **Big Poppa Smurf** on Thursday, November 29, 2012 at 8:56am.

A science student riding on a ﬂatcar of a train moving at a constant speed of a 9.70 m/s throws a ball toward the caboose along a path that the student judges as making an initial angle of 45.0◦ with the horizontal. The teacher, who is standing on the ground nearby,observes the ball rising vertically.

A.) How high does the ball rise? The acceleration of gravity is 9.81 m/s^2. Answer in units of m

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