Advertisements
Advertisements
प्रश्न
What are the uses of equations of motion?
उत्तर
Four variables are present in each equation of motion and if any of three is known to us then fourth can be easily find with the help of these equation of motion.
APPEARS IN
संबंधित प्रश्न
What is the SI unit of retardation ?
A snail covers a distance of 100 metres in 50 hours. Calculate the average speed of snail in km/h.
A motorcyclist drives from place A to B with a uniform speed of 30 km h-1 and returns from place B to A with a uniform speed of 20 km h-1. Find his average speed.
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 ?
Which of the following statement is correct regarding velocity and speed of a moving body?
A car moving on a straight path covers a distance of 1 km due east in 100 s. What is the speed of the car?
Figure shows the displacement of a body at different times .
Calculate the velocity of the body as it moves for time interval :
(i) 0 to 5 s,
(ii) 5 s to 7 s
(iii) 7 s to 9 s.
From the displacement-time graph of a cyclist given below in the Figure, find The average velocity in the first 4 s.
Draw a diagram to show the motion of a body whose speed remains constant, but velocity changes continuously.
Which of the following figures (Fig. 8.3) represents uniform motion of a moving object correctly?