A frictionless roller coaster car tops the first hill in a series of three hills with the speed of 45 m/s at a height of 40 meters.
Point A is on the second hill's peak (height h), Point B is the third hill's peak (which is h/2), and Point C is at the bottom of the curve after Point B (see below drawing).
What is...
a) its speed at A (Answer found: 45 m/s)
b) its speed at B (Answer found: 22.5 m/s)
c) its speed at C (Answer found: 0 m/s)
---
d) the maximum height it will reach?

****
@AllTehMaffs @DemolisionWolf HELP please ! :(

Question

A frictionless roller coaster car tops the first hill in a series of three hills with the speed of 45 m/s at a height of 40 meters.
Point A is on the second hill's peak (height h), Point B is the third hill's peak (which is h/2), and Point C is at the bottom of the curve after Point B (see below drawing).
What is...
a) its speed at A (Answer found: 45 m/s)
b) its speed at B (Answer found: 22.5 m/s)
c) its speed at C (Answer found: 0 m/s)
---
d) the maximum height it will reach?

****
@AllTehMaffs @DemolisionWolf HELP please ! :(

the_fizicx99 · Answer

The question is incomplete

kittiwitti1 · Answer

@tHe_FiZiCx99 |dw:1387522463735:dw|