Navigate

A projectile is fired at 30°. Neglecting friction, the change in kinetic energy when

A projectile is fired at 30°. Neglecting friction, the change in kinetic energy when it returns to the ground will be

Options

(a) zero
(b) 30%
(c) 60%
(d) 100%

Correct Answer:

zero

Explanation:

In case of projectile motion,
K.E. at projection = K.E. at landing on ground.
Hence there is no change in K.E.

MNP2002
admin:

Related Questions

  1. The reddish appearance of the sun at sunrise and sunset is due to
  2. A beam of light of λ=600 nm from a distant source falls on a single slit 1 mm wide
  3. A spherical drop of mercury having a potential of 2.5 v is obtained as a result
  4. A proton of mass 1.6×10⁻²⁷ kg goes round in a circular orbit of radius 0.10 m under
  5. A Gaussian surface in the cylinder of cross-section πa² and length L is immersed