Calculate the work done in each of the situations below: A.) A car engine that uses a force of 500N to live a car 200m
B.) A shopkeeper who uses a force of 50N to lift a box 1.5m

Acar of mass m goes around a banked curve of radius r with speed v. if the road is frictionless due to ice, the car can still negotiate the curve if the horizontal component of the normal force on the car from the road is equal in magnitude to 101) a) mv2/r b) mg/2. d) mg e) tan[v2/(eg)]

Asher cycles 12 miles in 16 hours. what is his speed?

In which of the following is positive work done by a person on a suitcase