An oscillating pendulum has a velocity of 2ms-1 at the eq...
An oscillating pendulum has a velocity of 2ms-1 at the equilibrium position O and velocity at same point P. Using the diagram above, calculate the height of P above O. (Take g = 10ms2)
5.0m
2.0m
0.4m
0.2m
0.1m
Correct answer is D
Kinetic energy at O = P.E at P 1/2mV = mgh
h = v/2g = 0.2m
Which of the following statements about a ferromagnetic material is correct? It ...
The inside of a vacuum flask is usually coated with silver to reduce heat loss by ...
A metallic sphere is heated from 27°C to 200°C Without change of state. Which of the fo...
A football is kicked at an angle of 45° to the horizontal over a defense line up with a velocity...
The inability of the eye to focus near objects is known as ...