If the average velocity of a particle moving | vedclass

Name: Exam Paper Generator | JEE NEET Paper Generator | Vedclass
Brand: Vedclass
Rating: 5 (35 reviews)

Question

(B) The average velocity is defined as $	ext{Average Velocity} = \frac{	ext{Total Displacement}}{	ext{Total Time}}$.If the average velocity is $0$,

Vedclass · Accepted Answer

Velocity of the particle must be zero at an instant.

Vedclass · Answer

(B) The average velocity is defined as $	ext{Average Velocity} = \frac{	ext{Total Displacement}}{	ext{Total Time}}$.If the average velocity is $0$,then the total displacement must be $0$.For a particle moving in a straight line to have a displacement of $0$,it must return to its starting position.To return to the starting position,the particle must change its direction of motion at some point.At the instant the particle changes its direction,its velocity must be $0$ (assuming continuous motion).Therefore,the velocity of the particle must be zero at at least one instant in the interval.

If the average velocity of a particle moving on a straight line is zero in a time interval,then:

Similar Questions

Define speed. Define average speed.

The position $(x)$-time $(t)$ graph for a particle moving along a straight line is shown in the figure. The average speed of the particle in the time interval $t=0$ to $t=8 \, s$ is .......... $m/s$.

$A$ particle moves in the east direction with $15 \, m/s$ for $2 \, s$,then moves northward with $5 \, m/s$ for $8 \, s$. The average velocity of the particle is:

$A$ car covers the first half of the distance between two places at $40 \text{ km/h}$ and the second half at $50 \text{ km/h}$. The average speed of the car is (in $text{ km/h}$)

$A$ car covers $2/5^{th}$ of the total distance with speed $v_1$ and $3/5^{th}$ of the total distance with speed $v_2$. What is its average speed?

Vedclass Test Series

Exam Paper Generator

Online Exam Module