*This preview shows
page 1. Sign up
to
view the full content.*

**Unformatted text preview: **: s m 20 or s m 8 . 19 s m 392 ) s m (9.8 m) 40 ( 2 2 2 2 2 = = = = =-v Rg v R mv mg The answer doesn’t depend on the cart’s mass, because the centripetal force needed to hold it on the road is proportional to its mass and so is its weight, which provides the centripetal force in this situation....

View
Full
Document