H2P-318
Centripetal force
H2 Physics · JC 2 · Easy · Centripetal force
A 0.30 kg stone is whirled in a vertical circle of radius 0.80 m. At the lowest point, its speed is 5.0 m s. What is the tension in the string at this lowest point? (Take .)
- 2.3 N
- 6.4 N
- 12 N
- 15 N
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