Advertisements
Advertisements
प्रश्न
Write down the type of motion of a body along with the A – O – B of the following distance – time graph.
Advertisements
उत्तर
From A to O, the body is in uniform motion having a positive slope and from O to B, the body is in uniform motion having a negative slope.
APPEARS IN
संबंधित प्रश्न
What does the odometer of an automobile measure?
What name is given to the speed in a specified direction ?
If a sprinter runs a distance of 100 metres in 9.83 seconds, calculate his average speed in km/h.
An aircraft travelling at 600 km/h accelerates steadily at 10 km/h per second. Taking the speed of sound as 1100 km/h at the aircraft’s altitude, how long will it take to reach the ‘sound barrier’ ?
If a bus travelling at 20 m/s is subjected to a steady deceleration of 5 m/s2, how long will it take to come to rest ?
A ball hits a wall horizontally at 6.0 m s-1. It rebounds horizontally at 4.4 m s-1. The ball is in contact with the wall for 0.040 s. What is the acceleration of the ball ?
When is a body said to be in motion?
A train travels with a speed of 60 km h-1 from station A to station B and then comes back with a speed 80 km h-1 from station B to station A. Find -
- The average speed
- The average velocity of the train.
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:
Which of the following figures (Fig. 8.3) represents uniform motion of a moving object correctly?
