Mph= miles per hour
kph= kilometers per hour
Bohr explained that the electron revolve around a orbit of fixed energy level that Rutherford fails to explain !!!
Answer:
176.4 m
Explanation:
U = 0, t = 6s, g = 9.8 m/s^2
Use second equation of motion
H = ut + 1/2 gt^2
H = 0 + 0.5 × 9.8 × 6 × 6
H = 176.4 m
It is the displacement from the point of dropping of object.
Light is a <span>wave of vibrating electric and magnetic energy.</span>