A curved portion of a highway under construction

Reference no: EM13648988

A curved portion of a highway under construction has aradius of 520 m. The legal speed limit of this highway is 100 km/h.

a) At what angle does this portion of the highway have to bebanked so that a car can safely travel at the speed limit when there is ice on the road?

b) How long does it take a 14.0 kW crane to lift 1250 kg ofconstruction material up to the highway 15.0 m above the ground?

Reference no: EM13648988

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