A toy car weighing 1 kg tied at the end of a tring 1 m long moves in a circle on the ground. What is the maximum possible speed of the car if the string has a breaking strength of 9 N?
A. `9 m//s`
B. `3m//s`
C. `1.5m//s`
D. `0.75s`

4 views

1 Answers

Correct Answer - B
`F=(mv^(2))/(r)`
`v^(2)=(Fr)/(m)=(9xx1)/(1)`
`v=3m//s`

4 views

Related Questions