EASY
9th CBSE
IMPORTANT
Earn 100

The potential energy of a freely falling object decreases progressively. Does this violate the law of conservation of energy? Why?
Important Questions on Work and Energy
EASY
9th CBSE
IMPORTANT
State the transformation of energy when: Green plants prepare food-

EASY
9th CBSE
IMPORTANT

EASY
9th CBSE
IMPORTANT

EASY
9th CBSE
IMPORTANT
A skier of mass stands at at the top of a ski jump. He takes off at for his jump to . Calculate the change in his gravitational potential energy between and .

MEDIUM
9th CBSE
IMPORTANT

MEDIUM
9th CBSE
IMPORTANT

MEDIUM
9th CBSE
IMPORTANT

EASY
9th CBSE
IMPORTANT
