WBCS.LIVE practice question

During the motion of a projectile fired from the earth's surface,

Solve this multiple-choice question and check the correct answer with its explanation below.

Answer options

  1. its kinetic energy remains constant
  2. its momentum remains constant
  3. vertical component of its velocity remains constant
  4. horizontal component of its velocity remains constant

Correct answer and explanation

Correct answer: horizontal component of its velocity remains constant