H2P-22
Centripetal force
H2 Physics · JC 1 · Hard · Centripetal force
A 0.30 kg toy car enters a smooth vertical loop of radius 1.5 m. What is the minimum speed at the bottom so that it just maintains contact with the track at the top of the loop?
- 4.8 m s⁻¹
- 6.1 m s⁻¹
- 8.6 m s⁻¹
- 9.8 m s⁻¹
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