Q837
During the motion of a projectile fired from the earth surface, ________
A.
Its kinetic energy remains constant
B.
Its momentum remains constant
C.
Vertical component of its velocity remains constant
D.
Horizontal component of its velocity remains constant
AnswerAnswer: Option D
Solution
Answer: Option D
Solution:
During the motion of a projectile fired from the earth surface, horizontal component of its velocity remains constant.