Multiple Choice
A spring-loaded dart gun is used to shoot a dart straight up,and the dart reaches a maximum height of 24 meters.The same dart is shot up a second time from the same gun,but this time the spring is compressed only half as far (compared to the first shot) .How far up does the dart go this time (neglect all friction and assume the spring is ideal) ?
A) 6.0 m
B) 12 m
C) 3.0 m
D) 48 m
Correct Answer:

Verified
Correct Answer:
Verified
Q1: In a certain nuclear reactor,neutrons suddenly collide
Q3: Two frisky otters slide down frictionless hillsides
Q21: A certain battery charger uses 12 W
Q97: A rubber ball bounces off of a
Q108: A 2.0-kg mass moving at 5.0 m/s
Q122: A 30-N stone is dropped from a
Q124: The figure shows a famous roller coaster
Q127: In the figure,a ball hangs by a
Q128: An ideal spring has a spring constant
Q134: In a physical fitness program, a woman