Advertisements
Advertisements
Question
What conclusion can you draw about the velocity of a body from the displacement-time graph shown below :
Advertisements
Solution
It represents uniform velocity. In this type of motion, body covers equal distance in equal interval of time in a specific direction.
APPEARS IN
RELATED QUESTIONS
Find the initial velocity of a car which is stopped in 10 seconds by applying brakes. The retardation due to brakes is 2.5 m/s2.
A bus running at a speed of 18 km/h is stopped in 2.5 seconds by applying brakes. Calculate the retardation produced.
A cheetah starts from, rest, and accelerates at 2 m/s2 for 10 seconds. Calculate :
(a) the final velocity
(b) the distance travelled.
Derive the formula s= `ut+1/2at^2` , where the symbols have usual meanings.
Define velocity. State its unit.
How can you find the following?
Velocity from acceleration – time graph.
A packet is dropped from a stationary helicopter, hovering at a height ‘h’ from ground level, reaches the ground in 12s. Calculate
- the value of h
- final velocity of packet on reaching the ground. (Take g = 9.8 ms−2)
How will the equations of motion for an object moving with a uniform velocity change?
The velocity-time graph (Fig. 8.5) shows the motion of a cyclist. Find (i) its acceleration (ii) its velocity and (iii) the distance covered by the cyclist in 15 seconds.
Draw a velocity versus time graph of a stone thrown vertically upwards and then coming downwards after attaining the maximum height.
