Advertisements
Advertisements
प्रश्न
What name is given to the speed in a specified direction ?
Advertisements
उत्तर
Speed of a body in a specified direction is called velocity.
APPEARS IN
संबंधित प्रश्न
During an experiment, a signal from a spaceship reached the ground station in five minutes. What was the distance of the spaceship from the ground station? The signal travels at the speed of light, that is, 3 × 108m s−1.
Bus X travels a distance of 360 km in 5 hours whereas bus Y travels a distance of 476 km in 7 hours. Which
bus travels faster ?
Arrange the following speed in increasing order (keeping the least speed first
A scooter moving with a speed of 30 km/h.
Write the formula for acceleration. Give the meaning of each symbol which occurs in it.
A train starting from Railway Station attains a speed of 21 m/s in one minute. Find its acceleration.
A car is moving along a straight road at a steady speed. It travels 150 m in 5 seconds:
How far does it travel in 1 second ?
A bus moving along a straight line at 20 m/s undergoes an acceleration of 4 m/s2. After 2 seconds, its speed will be:
Give an example of the motion of a body moving with a constant speed but with a variable velocity. Draw a diagram to represent such a motion.
The diagram below shows the pattern of the oil on the road at a constant rate from a moving car. What information do you get from it about the motion of the car.

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.
