At noon, ship a is 50 km west of ship b. ship a is sailing south at 25 km/h and ship b is sailing north at 5 km/h. how fast is the distance between the ships changing at 4: 00 pm? (round your answer to one decimal place.)

Consider two metallic rods mounted on insulated supports. one is neutral, the other positively charged. you bring the two rods close to each, but without contact, and briefly ground the the neutral rod by touching it with your hand. show answer correct answer what would be resulting charge (if any) on the initially neutral rod

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)]

The passing of heat through a material while the material itself stays in place. a. radiation b. conduction c. convection