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a truck is carry a box of mass m=50kg on...

a truck is carry a box of mass `m=50kg` on its flat horizontal rough surface with coefficient of friction `mu=0.3` . It is crossing a circular track of radius 27m. What is the maximum speed of the truck so thet the box does not slide from the truck while moving on the circular path?

A

18 km/hr

B

36 km/hr

C

32.4 km/hr

D

None of these

Text Solution

Verified by Experts

The correct Answer is:
C
`mu mg=m(v^(2))/(R)`
`v=sqrt(mugR)=sqrt(0.3(10)27)=9m//s=32.4km//hr`
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