Maglev, a vehicle that glides above a magnetic field without touching a track, make a 625-mi trip in 2.5 hr. What is the speed of the vehicle?

A110-pound person pulls herself up 4.0 feet. this took her 2.5 seconds. how much power was developed? 0.13 hp 0.32 hp 2.0 hp 3.1 hp

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)]

Write down two additional questions about earth's magnetic field that will make your presentation more informative.