Advertisements
Advertisements
Question
A body of mass 60 kg is moving with a speed 50 m s_1. Find its kinetic energy.
Advertisements
Solution
mass m = 60 kg
Speed v = 50 mS1
K.E = 1/2 MV2
1/2 × 60 × 50 × 50 = 75000 kgm/s or Joule
K.E = 75/10 × 1000 × 10 = 7.5 × 104 J
APPEARS IN
RELATED QUESTIONS
The potential energy of a body is due to its state of ................... and kinetic energy of body is due to its ...............
A boy lifts a luggage from height 2 m to 4 m. The potential energy will become
What is potential energy? State its unit.
Can a body possess energy even when it is not in motion? Explain your answer with an example.
Name the type of energy (kinetic or potential) possessed by the following A stone at rest on the top of a building.
Name the type of energy (kinetic or potential) possessed by the following A compressed spring.
Name the type of energy (kinetic or potential) possessed by the following A bullet fired from a gun.
Name the type of energy (kinetic or potential) possessed by the following A stretched rubber band.
Give an example to show the conversion of potential energy to kinetic energy when put in use.
A truck of mass 1000 kg, increases its speed from 36 km h-1 to 72 km h-1. Find the increase is its kinetic energy.
