What angle of projection would result in a ball traveling the maximum horizontal distance? (Neglect air resistance)

90 Degrees

45 Degrees

25 Degrees

90 Degrees

If the angle between the horizontal and the direction of the 5.00 meters/second velocity decreases from 30.Degrees to 20.Degrees, the horizontal distance the ball travels will

decrease

remain the same

increase

Cannot be determined

A book is pushed with an initial horizontal velocity of 5.0 meters per second off the top of a desk. What is the initial vertical velocity of the book?

50 m/s

0 m/s

10. m/s

2.5 m/s

A projectile is fired a velocity of 150 meters per second at an angle of 30 degrees with the horizontal. What is the magnitude of the vertical component of the velocity at the time the projectile is fired?

130. m/s

150. m/s

75. m/s

225 m/s

A ball being kicked by a foot and rising at an angle of 30. degrees from the horizontal. The ball has an initial velocity of 5.0 m/s (Neglect friction). What is the magnitude of the horizontal component of the ball's initial velocity?

2.5 m/s

5.0 m/s

8.7 m/s

4.3 m/s

As a ball rises the vertical component of its velocity