Answer: the player pushing down on the floor
Explanation:
Answer:
36km
Explanation:
Im pretty sure displacment is the start and finish in a straight line
Answer:
B. 24.2 m/s
Explanation:
Given;
mass of the roller coaster, m = 450 kg
height of the roller coaster, h = 30 m
The maximum potential energy of the roller coaster due to its height is given by;



Therefore, the maximum speed of the roller coaster is 24.2 m/s.