Multiple Choice
A spring-loaded gun is aimed horizontally and is used to launch identical balls with different initial speeds. The gun is at a fixed position above the floor. The balls are fired one at a time. If the speed of the second ball fired is twice the speed of the first ball fired, how is the horizontal range (denoted R in the figure) affected?
A) The range for both balls will be the same.
B) The range of the second ball will be half as much as that of the first ball.
C) The range of the second ball will be twice as large as that of the first ball.
D) The range of the second ball is about 1.4 times larger than that of the first ball.
E) The range of the second ball will be smaller than that of the first ball by a factor of 1.4.
Correct Answer:

Verified
Correct Answer:
Verified
Q58: A tennis ball is thrown upward at
Q59: A projectile fired from a gun has
Q60: A passenger at rest on a flatbed
Q61: A baseball is hit upward and travels
Q62: A ball is fired at an angle
Q64: A projectile is fired horizontally with an
Q65: An eagle is flying due east at
Q66: A boat that can travel at 4.0
Q67: What is the magnitude of the projectile's
Q68: A projectile fired from a gun has