# Answer on Mechanics | Relativity Question for Sahil

Question #36233

A ball kept on a wall is pushed horizontally with

certain velocity and allowed to move under gravity. Such a

motion is two-dimensional motion with ball covering

displacements in both x and y-directions. But both the x & y

direction motions are independent of each other. Hence,

motion in x-direction can be considered as similar to straight

line motion with no acceleration. Motion in y-direction can be

considered as free fall under gravity.

In the figure shown, ball is pushed horizontally from a

height of 19.6 m, with initial velocity as 10 m/s

[Take g = 9.8 m/s2]

1.The horizontal displacement of projectile after 1 sec?

2.The time in which projectile reaches the ground?

3.If there is no energy loss when particle collides at point B on ground, find the maximum

height attained by the particle after it rebounds?

4.The horizontal displacement of projectile when it lands on ground?

5.At what instant vertical speed of particle will be equal to horizontal speed (10 m/s) of particle

certain velocity and allowed to move under gravity. Such a

motion is two-dimensional motion with ball covering

displacements in both x and y-directions. But both the x & y

direction motions are independent of each other. Hence,

motion in x-direction can be considered as similar to straight

line motion with no acceleration. Motion in y-direction can be

considered as free fall under gravity.

In the figure shown, ball is pushed horizontally from a

height of 19.6 m, with initial velocity as 10 m/s

[Take g = 9.8 m/s2]

1.The horizontal displacement of projectile after 1 sec?

2.The time in which projectile reaches the ground?

3.If there is no energy loss when particle collides at point B on ground, find the maximum

height attained by the particle after it rebounds?

4.The horizontal displacement of projectile when it lands on ground?

5.At what instant vertical speed of particle will be equal to horizontal speed (10 m/s) of particle

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