Multiple Choice
A heavy frog and a light frog jump straight up into the air. They push off in such away that they both have the same kinetic energy just as they leave the ground. Air resistance is negligible. Which
Of the following statements about these frogs are correct? (There could be more than one correct
Choice.)
A) The heavier frog goes higher than the lighter frog.
B) The lighter frog goes higher than the heavier frog.
C) They both leave the ground with the same speed.
D) Just as they leave the ground, the heavier frog is moving faster than the lighter frog.
E) Just as they leave the ground, the lighter frog is moving faster than the heavier frog.
F) Both frogs reach the same maximum height.
Correct Answer:

Verified
Correct Answer:
Verified
Q14: You want to store 1,000 J of
Q15: A 100-N force has a horizontal component
Q16: A toy rocket that weighs 10 N
Q17: How many joules of energy are used
Q18: A 30-N box is pulled
Q20: As shown in the figure, a
Q21: A very light ideal spring stretches by
Q22: An ideal spring with a force constant
Q23: What is the minimum energy needed to
Q24: A person carries a 2.00-N pebble