Advertisements
Advertisements
Question
Area under a v – t graph represents a physical quantity which has the unit
Options
m2
m
m3
m s–1
Solution
m
The area under the v - t graph represents distance and the unit of distance is meter (m).
APPEARS IN
RELATED QUESTIONS
Name the physical quantity whose SI unit is :
(a) m/s (b) m/s2
Define velocity. What is the SI unit of velocity ?
Describe the motion of a body which is accelerating at a constant rate of 10 m s–2. If the body starts from rest, how much distance will it cover in 2 s ?
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 boy is sitting on a merry-go-round which is moving with a constant speed of 10 m s−1. This means that the boy is :
The figure shows the displacement - time graph for four bodies A, B C and D. In each case state what information do you get about the acceleration (zero, positive or negative).
Can you suggest a real-life example about the motion of a body from the following velocity – time graph?
Can you suggest a real-life example about the motion of a body from the following velocity – time graph?
An object starting from rest travels 20 m in the first 2 s and 160 m in the next 4 s. What will be the velocity after 7 s from the start?
When will you say a body is at uniform acceleration?
