Question

A thin-walled hollow sphere with a mass 2.10 kg and a radius 15.5 cm rolls without slipping down a slope angled at 39.0 ∘ .

Part A

Part complete

Find the magnitude of the acceleration.

….m/s^2

Part B

Part complete

What is the magnitude of the friction force between the sphere and the slope?

…..N

Answer 1

a down the After moving Slope ke gain = p.E lost- m=2.10 kg 13 mv²t å Iw² = mgh Ź mu?+ă Ca? = mga sino » { mv²= mg reino v2 = 6gx sino Differentiating both sides with respect to a av dll ya = og sino lavor in (A) az 3gsino - 3* 9.6 xain 37 = 3.7 m/s2 ka mgsino (B) mg sino-if = ma fa m (g sino-a) = 2.169.8 Sin39°– 3.7) = 5.18 ~ 512 N