A ball is thrown upwards and it returns to ground describing a parabolic path. Which of the following remains constant?
Kinetic energy of the ball
Speed of the ball
Horizontal component of velocity
Vertical component of velocity
An object is thrown along a direction inclined at an angle of with the horizontal direction. The horizontal range of the particle is equal to ____.
Vertical height
Twice the vertical height
Thrice the vertical height
Four times the vertical height
The height and the distance along the horizontal plane of a projectile on a certain planet (with no surrounding atmosphere) are given by meter and meter, where is in second. The velocity with which the projectile is projected is ____.
8 m/sec
6 m/sec
10 m/sec
Not obtainable from the data
None of the above
None of the above
1
10
0º
30º
60º
90º