MEDIUM
7th CBSE
IMPORTANT
Earn 100

What are uniform speed and non-uniform speed? Explain, with suitable examples.

Important Questions on Kinematics

MEDIUM
7th CBSE
IMPORTANT
Slow and fast are relative. Explain it with examples.
MEDIUM
7th CBSE
IMPORTANT
Rest and motion are relative. Explain.
MEDIUM
7th CBSE
IMPORTANT
Define variable velocity. Give one example 
MEDIUM
7th CBSE
IMPORTANT
Explain how will you change the time period of a simple pendulum.
HARD
7th CBSE
IMPORTANT
In a race, two athletes A and B reach the finishing point in 20  second and 22 second, respectively.
(a) What is the ratio of their speeds?
(b) If both are allowed to run with their respective speeds for a given time, what is the ratio of the distance covered by them?
MEDIUM
7th CBSE
IMPORTANT
In a race, two athletes A and B reach the finishing point in 20  second and 22 second, respectively.
If both are allowed to run with their respective speeds for a given time, what is the ratio of the distance covered by them?
HARD
7th CBSE
IMPORTANT
The odometer of a motorcycle shows a reading of 10,237 km at 8.30 a.m. At 9.00 a.m, it shows a reading 10,267 km. What is the speed of the motorcycle in km h-1?
HARD
7th CBSE
IMPORTANT
A simple pendulum of length 'l' and time period 'T' on earth is taken onto the surface of moon. How should the length of the simple pendulum be changed on the moon such that the time period is constant. (Take ge = 6 gm)