Advertisements
Advertisements
Question
Give two examples of uniform circular motion from your daily life.
Advertisements
Solution
(i) Motion of blades of an electric fan.
(ii) Motion of moon around earth.
APPEARS IN
RELATED QUESTIONS
State whether speed is a scalar or a vector quantity. Give reason for your choice.
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’ ?
Convert a speed of 54 km/h into m/s.
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.
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 ?
Give one example of following motion :
Variable velocity
A car moving on a straight path covers a distance of 1 km due east in 100 s. What is velocity of the car?
The velocity-time graph of a moving body is given below in Figure
The acceleration in parts AB, BC and CD.
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:
Write down the type of motion of a body along with the A – O – B of the following distance – time graph.
