JEE Main | 2018Work, Power and EnergyHard
Question
A particle is moving with a uniform speed in a circular orbit of radius R in a central force inversely proportional to the nth power of R. If the period of rotation of the particle is T, then,
Options
A.
B.
​​​​​​​
C.
D.
 for any n
More Work, Power and Energy Questions
A block of mass 2 kg is free to move along the x-axis. It is at rest and from t = 0 onwards it is subjected to a time-de...Three different objects m1, m2 and m3 are allowed to fall from rest and from the same point O along three different fric...The maximum kinetic energy of photo-electron liberated from the surface of lithium(work function = 2.35 eV) by electroma...A 1000 kg elevator rises from rest in the basement to the fourth floor, a distance of 20 m. As it passes the fourth floo...An electric motor produces a tension of 4500N in a load lifting cable and rolls it at the rate of 2m/s. The power of the...