Question

A roller coaster car starts from rest at point A. What is its speed at point C if the track is frictionless? Given h1=13 m and h2=5 m.A roller coaster car starts from rest at point A. What is its speed at point C if the track is frictionless?

Answer 1

Answer:

HOPE THIS HELP U DEAR

Explanation:

Speed at point B=

2gh

=

2×10×(25−5)

=10

2

s

m

For minimum radius of curvature r,

r

mv

2

=mg

r=

10

200

=20