Question:

A player throws a ball vertically upwards with velocity $u$. At highest point,

Updated On: Jul 5, 2022
  • both the velocity and acceleration of the ball are zero
  • the velocity of the ball is $u$ but its acceleration is zero
  • the velocity of the ball is zero but its acceleration is $g$
  • the velocity of the ball is $u$ but its acceleration is $g$
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The Correct Option is C

Solution and Explanation

At the highest point velocity of the ball becomes zero, but its acceleration is equal to $g$.
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Notes on Motion in a straight line

Concepts Used:

Motion in a straight line

The motion in a straight line is an object changes its position with respect to its surroundings with time, then it is called in motion. It is a change in the position of an object over time. It is nothing but linear motion. 

Types of Linear Motion:

Linear motion is also known as the Rectilinear Motion which are of two types:

  1. Uniform linear motion with constant velocity or zero acceleration: If a body travels in a straight line by covering an equal amount of distance in an equal interval of time then it is said to have uniform motion.
  2. Non-Uniform linear motion with variable velocity or non-zero acceleration: Not like the uniform acceleration, the body is said to have a non-uniform motion when the velocity of a body changes by unequal amounts in equal intervals of time. The rate of change of its velocity changes at different points of time during its movement.