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.

admin:

Related Questions

  1. The mass of a ⁷₃ Li nucleus is 0.042 u less than the sum of the masses of all its nucleons
  2. C and Si both have same lattice strcture, having 4 bonding electron in each
  3. The maximum kinetic energy of emitted electrons in a photoelectric effect
  4. In the Young’s double slit experiment, a point P on the central bright fringe
  5. Which of the two have same dimensions?