Navigate

A particle is dropped from a building. It takes 4 sec for the particle to reach the ground

A particle is dropped from a building. It takes 4 sec for the particle to reach the ground. Then height of the building is (g=10m/s²)

Options

(a) 20 m
(b) 40 m
(c) 80 m
(d) 75 m

Correct Answer:

80 m

Explanation:

No explanation available. Be the first to write the explanation for this question by commenting below.

BH2001
admin:

Related Questions

  1. The mean radius of the earth is R, its angular speed on its own axis is ?
  2. Two coherent sources of different intensities send waves which interfere.
  3. Which scientist experimentally proved the existence of electromagnetic waves?
  4. An electron of mass m and a photon have same energy E. The ratio of de-Broglie
  5. Two coils have the mutual inductance of 0.05 H.