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2.Motion in Straight Line
easy
Consider the acceleration, velocity and displacement of a tennis ball as it falls to the ground and bounces back. Directions of which of these changes in the process
A
Velocity only
B
Displacement and velocity
C
Acceleration, velocity and displacement
D
Displacement and acceleration
Solution
(b)Only direction of displacement and velocity gets changed, acceleration is always directed vertically downward.
Standard 11
Physics