Advertisements
Advertisements
प्रश्न
Under which condition is the magnitude of average velocity equal to average speed ?
उत्तर
The magnitude of average velocity is equal to average speed when an object covers equal distances in equal intervals of time in a particular direction.
APPEARS IN
संबंधित प्रश्न
Arrange the following speed in increasing order (keeping the least speed first
A scooter moving with a speed of 30 km/h.
Convert a speed of 54 km/h into m/s.
A car is moving along a straight road at a steady speed. It travels 150 m in 5 seconds:
How long does it take to travel 240 m ?
A car travels 100 km at a speed of 60 km/h and returns with a speed of 40 km/h. Calculate the average speed for the whole journey.
One of the following is not a vector quantity. This one is :
Give one example of following motion :
Uniform velocity
What is the relation between distance and time when the body is moving with variable velocity?
Draw a diagram to show the motion of a body whose speed remains constant, but velocity changes continuously.
A speeding car changes its velocity from 108 kmh−1 to 36 kmh−1 in 4 s. Calculate its deceleration in
- ms−2
- kmh−2.
A body projected vertically up with a velocity of 10 m/s reaches a height of 20 m. If it is projected with a velocity of 20 m/s, then the maximum height reached by the body is:
