It will increase..........................
Answer: 81.619 kJ
Explanation:
Given
Mass of roller coaster is 
It reaches the steepest hill with speed of 
Hill to bottom is 51 m long with inclination of 
Height of the hill is 
Conserving energy to get kinetic energy at bottom
Energy at top=Energy at bottom

Answer:
8672
Explanation:
multiply the length value by 100
Answer:
A. pulls back on the Earth, which is the main cause of the rise and fall of the ocean tides on Earth.