EASY
9th CBSE
IMPORTANT
Earn 100

What is the initial velocity when a body is dropped from a certain height?

Important Questions on Gravitation

MEDIUM
9th CBSE
IMPORTANT
LIVING SCIENCE PHYSICS 9>Chapter 3 - Gravitation>Check Your Progress>Q 1
Which of the following is not the equation of motion for a freely falling body ?
EASY
9th CBSE
IMPORTANT
LIVING SCIENCE PHYSICS 9>Chapter 3 - Gravitation>Check Your Progress>Q 2
When a body is thrown vertically upwards, its final velocity becomes _____.
EASY
9th CBSE
IMPORTANT
LIVING SCIENCE PHYSICS 9>Chapter 3 - Gravitation>Check Your Progress>Q 3
If a body takes 10 seconds to reach the highest point, when thrown vertically upwards, then the time taken by the same body to reach back will be
MEDIUM
9th CBSE
IMPORTANT
LIVING SCIENCE PHYSICS 9>Chapter 3 - Gravitation>Check Your Progress>Q 4
A stone dropped from the roof of a building takes 4 seconds to reach the ground. Calculate the height of the building. (take g=10 m/s2)
MEDIUM
9th CBSE
IMPORTANT
LIVING SCIENCE PHYSICS 9>Chapter 3 - Gravitation>Check Your Progress>Q 5
A particle is dropped from a tower 180 m high. How long does it take to reach the ground? What is the velocity when it touches the ground? (take g=10 ms2)
HARD
9th CBSE
IMPORTANT
LIVING SCIENCE PHYSICS 9>Chapter 3 - Gravitation>Check Your Progress>Q 6
A boy standing on a cliff 480 m high drops a stone. One second later, he throws a second stone after the first. They both hit the ground at the same time. With what speed does he throw the second stone? (take g=10 m/s2)
EASY
9th CBSE
IMPORTANT
LIVING SCIENCE PHYSICS 9>Chapter 3 - Gravitation>Check Your Progress>Q 1
A stone is dropped from a cliff. Calculate its speed after it has fallen 80 m. (take g=10 m/s2)
MEDIUM
9th CBSE
IMPORTANT
LIVING SCIENCE PHYSICS 9>Chapter 3 - Gravitation>Check Your Progress>Q 2
A ball is thrown up and attains a maximum height of 180 m. Calculate its initial speed. (take g=10 m/s2)