Advertisements
Advertisements
Question
The slope of a speed-time graph gives:
Options
distance travelled
velocity
acceleration
displacement
Solution
acceleration
The rate of change of speed per unit time is termed as acceleration. So, the answer is
(c) Acceleration
APPEARS IN
RELATED QUESTIONS
A train starting from a railway station and moving with uniform acceleration attains a speed 40 km h−1 in 10 minutes. Find its acceleration.
What is meant by the term acceleration ? State the SI unit of acceleration.
A train travelling at 20 m s-1 accelerates at 0.5 m s-2 for 30 s. How far will it travel in this time ?
A bus was moving with a speed of 54 km/h. On applying brakes it stopped in 8 seconds. Calculate the acceleration.
Derive the formula s= `ut+1/2at^2` , where the symbols have usual meanings.
For a uniformly retarded motion, the velocity-time graph is _____________
A body, initially at rest, starts moving with a constant acceleration 2 m s-2. Calculate: (i) the velocity acquired and (ii) the distance travelled in 5 s.
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)
Area under a v – t graph represents a physical quantity which has the unit
When will you say a body is at uniform acceleration?