SL ARORA-WORK, POWER AND ENERGY-Type B
- A bullet weighing 10 g is fired with a velocity of 800 ms^(-1). After ...
Text Solution
|
- A shot travelling at the rate of 100 ms^(-1) is just able to pierce a ...
Text Solution
|
- A bullet has a mass of 20 g and is moving with a speed of 1000 cms^(-1...
Text Solution
|
- Two identical 5 kg blocks are moving with same speed of 2m//s towards...
Text Solution
|
- A light and a heavy body have equal momenta. Which one has greater K.E
Text Solution
|
- A light body and a heavy body have the same kinetic energy. Which one ...
Text Solution
|
- If the linear momentum of a body increases by 20%, what will be the % ...
Text Solution
|
- If the kinetic energy of kinetic energy of a body increases by 300%, b...
Text Solution
|
- A bomb of mass 40 kg is dropped from an aeroplane at a height of 1 km ...
Text Solution
|
- A body falls on the ground from a height of 10 m and rebounds to a hei...
Text Solution
|
- A body of mass 2 kg initially at rest moves under the action of an app...
Text Solution
|
- A body of mass 0.3kg is taken up an inclined plane of length 10m and ...
Text Solution
|
- When a 40 kg boy climbs a hills , his potential energy increases by 9....
Text Solution
|
- A bob of mass 0.3 kg falls from the ceiling of an elevator moving down...
Text Solution
|
- Calculate the velocity of the bob of a simple pendulum at its mean pos...
Text Solution
|
- The bob A of a simple pendulum is released from a horizontal position ...
Text Solution
|
- A girl of mass 40 kg sits in a swing formed by a rope of 6 m length. A...
Text Solution
|
- A ball at rest is dropped from a height of 12m. It loses 25% of its ki...
Text Solution
|
- A bullet of mass 0.012 kg and horizontal speed 70ms^(-1) strikes a blo...
Text Solution
|
- A 1 kg mass on a floor is connected to a 2 kg mass by a string passing...
Text Solution
|