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Sahay Sir > Question Answers > Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) > A train is moving along a straight line with a constant acceleration a. A body standing in the train throws a ball forward with a speed of 10ms−1, at an angle of 60∘ to the horizontal . The body has to move forward by 1.15 m inside the train to catch the ball back to the initial height. the acceleration of the train. in ms−2 , is:

A train is moving along a straight line with a constant acceleration a. A body standing in the train throws a ball forward with a speed of 10ms−1, at an angle of 60∘ to the horizontal . The body has to move forward by 1.15 m inside the train to catch the ball back to the initial height. the acceleration of the train. in ms−2 , is:

b (< a)and p are positive constants of appropriate dimensions. Then The coordinates of a particle moving in a plane are given by x(t)= a cos (pt)and y(t)= b sin (pt) where a