8. Centripetal Forces & Gravitation
Centripetal Forces
Multiple Choice
Multiple ChoiceA small 4kg block is tied to the end of 3m string and slides around in a circle on a frictionless table. Suppose the string will break if the tension exceeds 50N. Find the maximum speed the block can have without breaking the string.
A
37.5 m/s
B
6.1 m/s
C
8.7 m/s
D
2.8 m/s
708
11
6:48m
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