A 0.5 kg ball is thrown into the air at point A, which is at a height H = 10 m, with an initial velocity, Va = 10 m/s at an angle 60° to the horizontal, as shown in Fig. 3. The ball then follows the trajectory from A to B as shown, and hits against the inclined wall at B, at a distance d = 7m from C, along the incline. Further, the ball bounces back from B and moves downward along the trajectory BD. The coefficient of restitution between the ball and the wall at B is e = 0.6. Calculate the velocity with which the ball rebounds from the inclined surface at B and the velocity with which it strikes the ground at point D. %3D %3D

A 0.5 kg ball is thrown into the air at point A, which is at a height H = 10 m, with an initial velocity, Va = 10 m/s at an angle 60° to the horizontal, as shown in Fig. 3. The ball then follows the trajectory from A to B as shown, and hits against the inclined wall at B, at a distance d = 7m from C, along the incline. Further, the ball bounces back from B and moves downward along the trajectory BD. The coefficient of restitution between the ball and the wall at B is e = 0.6. Calculate the velocity with which the ball rebounds from the inclined surface at B and the velocity with which it strikes the ground at point D. %3D %3D

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Description: do fast A 0.5 kg ball is thrown into the air at point A, which is at a height H = 10 m, with an initial velocity, VA = 10m/s at an angle 60° to the horizontal, as shown in Fig. 3. The ball then follows the trajectory from A to Bas shown, and hits aga

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Chapter1: Units, Trigonometry. And Vectors

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Concept explainers

Displacement, Velocity and Acceleration

In classical mechanics, kinematics deals with the motion of a particle. It deals only with the position, velocity, acceleration, and displacement of a particle. It has no concern about the source of motion.

Linear Displacement

The term "displacement" refers to when something shifts away from its original "location," and "linear" refers to a straight line. As a result, “Linear Displacement” can be described as the movement of an object in a straight line along a single axis, for example, from side to side or up and down. Non-contact sensors such as LVDTs and other linear location sensors can calculate linear displacement. Non-contact sensors such as LVDTs and other linear location sensors can calculate linear displacement. Linear displacement is usually measured in millimeters or inches and may be positive or negative.

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Question

do fast

A 0.5 kg ball is thrown into the air at point A, which is at a height H = 10 m, with an initial velocity, VA = 10
m/s at an angle 60° to the horizontal, as shown in Fig. 3. The ball then follows the trajectory from A to B
as shown, and hits against the inclined wall at B, at a distance d = 7m from C, along the incline. Further,
the ball bounces back from B and moves downward along the trajectory BD. The coefficient of restitution
between the ball and the wall at B is e = 0.6. Calculate the velocity with which the ball rebounds from the
inclined surface at B and the velocity with which it strikes the ground at point D.
VA
60°
A
В
H
120°
Fig. 3

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