Ascience student is riding aflat car of atrain travelling along astraight horizontal track at aconstant speed of 10 m/s. The student throughs aball in the direction which appear to her to be 60 degree above the horizontal line towards the back of the train. The students professor, who is standing on the ground near by observes the ball rises vertically up. How does the ball rise?

Ascience student is riding aflat car of atrain travelling along astraight horizontal track at aconstant speed of 10 m/s. The student throughs aball in the direction which appear to her to be 60 degree above the horizontal line towards the back of the train. The students professor, who is standing on the ground near by observes the ball rises vertically up. How does the ball rise?

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