An electric motor converts electrical energy into mechanical energy.
What is electric motor?
An electric motor is an electrical machine that converts electrical energy into mechanical energy.
A generator is mechanically identical to an electric motor, but operates with a reversed flow of power
Hence it will convert mechanical energy into electrical energy.
Some applications of electric motor are:
Industrial fans, blowers and pumps, machine tools, household appliances, power tools, vehicles, and disk drives.
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Answer:
The value of g = 0.6168 m/s².
Explanation:
Given that,
On a planet X,
Length of the pendulum(L) = 0.25 meters,
Time period of the pendulum(T) = 4 seconds.
We have to find the 'g' value on the planet.
The 'g' value on a planet can be found by a pendulum with help of the formula,
T = 2π × 
From this, g = 4π² × 
Using the above formula and substituting the values,we get,
g = 0.6168 m/s².
Answer:
The same pendulum could be adjusted to have the same period, in the equator must have a length of 3.949m.
Explanation:
Tnp= 4 sec
gnp= 9.83 m/sec²
Lnp= 3.97m
Tequ= 4 sec
gequ= 9.78 m/sec²
Lequ=?
Lequ= (Lnp* gequ) / gnp
Lequ= 3.949 m
Answer:
Option d is the correct option Kinetic energy is minimum while as potential energy is maximum
Explanation:
At the top most point of the flight since it cannot reach any further up in the vertical direction thus the potential energy at this position shall be maximum. Now since the total energy of the projectile is conserved so the remaining kinetic energy shall be minimum at that point so as the sum of the kinetic and potential energies remain constant.
