Advertisements
Advertisements
Question
Can you suggest a real-life example about the motion of a body from the following velocity – time graph?
Advertisements
Solution
The figure shows that the car is moving with uniform acceleration. i.e. when velocity of car increases equally in equal intervals of time.
APPEARS IN
RELATED QUESTIONS
Fill in the following blank with suitable word :
A motorcycle has a steady……………. of 3 m/s2. This means that every………………. its…………….. increases by………….
Explain why, the motion of a body which is moving with constant speed in a circular path is said to be accelerated.
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.
A bicycle initially moving with a velocity 5.0 m s-1 accelerates for 5 s at a rate of 2 m s-2. What will be its final velocity?
For a uniformly retarded motion, the velocity-time graph is _____________
When is the positive acceleration?
Can you suggest a real-life example about the motion of a body from the following velocity – time graph?
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.
