A car rounds a 200 m -radius curve at 11.5 m/s If the horizontal force acting on the car is 790 N, what's the car's mass?

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Answer 1 · 2018-01-28T22:43:05

The mass of the car is #=1194.7kg#

The equation for the centripetal force is

#F=(mv^2)/r#

The velocity is #=11.5ms^-1#

The radius of the curve is #r=200m#

The centripetal force is #F=790N#

Therefore,

The mass of the car is

#m=(rF)/(v^2)=(200*790)/11.5^2=1194.7kg#