Advertisements
Advertisements
प्रश्न
A ball falls to the ground as shown below :
What is the potential energy of ball at B?
Advertisements
उत्तर
Total energy of a free falling object remains conserved.
So,
Total energy at A = Total energy at B
So,
(K.E)A + (P.E)A = (K.E)B + (P.E)B
Thus
Total energy at A = (K.E)B + (P.E)B
Therefore,
(P.E)B = (80 – 48) J= 32 J
APPEARS IN
संबंधित प्रश्न
State whether the object possess kinetic energy, potential energy, or both :
A man climbing a hill _____________.
What is the difference between potential energy and kinetic energy?
An iron sphere of mass 10 kg has the same diameter as an aluminium sphere of mass 3.5 kg. Both the spheres are dropped simultaneously from a tower. When they are 10 m above the ground, they have the same :
Water stored in a dam possesses :
Name the device which converts electrical energy into mechanical energy.
Name the device or machine which convert :
Chemical energy into electrical energy.
Name the device or machine which convert :
Chemical energy into heat energy.
Name the device or machine which convert :
light energy into heat energy.
A ball falls to the ground as shown below :
What is the kinetic energy of ball when it hits the ground?
How much energy does a 100 W electric bulb transfer in 1 minute?
