How fast would a 0.25 kg football have to be traveling to have the same momentum as a 0.05 kg bullet traveling 500 m/s?

A clothes dryer uses about 30 amps of current from a 240 volt line. How much power does it use?

A person drives to the top of a mountain. On the way up, the personÍs ears fail to ñpop,î or equalize the pressure of the inner ear with the outside atmosphere. The pressure of the atmosphere drops from 1.

A brick is lying on a table in a state of static equilibrium. If the mass of the brick is 7.52 kilograms, what is the normal force exerted by the table on the brick A. - 73.7 newtons B. 73.7 newtons C. 80.7 newtons D. 7.52 newtons E. 8.07 newtons

If such drivers are traveling on a straight road at 30 mph (44 ft/s) and their cars can decelerate at 27 ft/s², determine the shortest stopping distance d for a normal driver from the moment he or she see the pedestrians.

How do you know that potassium an alkali metal is highly reactive

Velocity is: а - speed and direction. b - distance divided by time. c - always the same as speed. distance multiplied by time. d - distance multiplied by time

The gauge pressure in each of the four tires of an automobile is 230 kpa. if each tire has a "footprint" of 180 cm2 (area touching the ground), determine the mass of the car.

A bus travels 20 KM and 30 minutes what is average speed of the bus

What is the total number of atoms in the following formula? CaBr2

A lifeguard on a beach observes that waves have a speed of 7 m/s and a distance of 4.6m between wave crests. what is the period of the wave motion?