A 5.0 kg bowling ball is rolling down the lane at 4.0 m/s. What is the kinetic energy of the bowling ball?

a.

40 J

b.

50 J

c.

80 J

d.

100 J

What is the awnser to Blank occurs when a substance changes from a liquid to a gas

A car travels 50 miles in 2.5 hours. Calculate the average velocity

A water pump pumps 3 kg of water every second from the bottom of a well to the top of the well 50 m above if the pump used 2000 W of electrical power to accomplish the task what is the efficiency of the pump

What is another word for cycles per second?

Alkaline batteries have the advantage of putting out constant voltage until very nearly the end of their life. How long will an alkaline battery rated at 1.00 A*h and 1.58 V keep a 1.00-W flashlight bulb burning?

A surface is bombarded by particles, each of mass small 'm', which have velocity normal to the surface. On average, n particles strike unit area of the surface each second and rebound elastically. What is the pressure on the surface? A. nmv B.

If an atom has twelve electrons, how many electrons are in the n=1 energy level? how many electrons are in the n=2 energy level? how many electrons are in the n=3 energy level?

Which object is largest? star galaxy globular cluster planet?

What if the population of rabbits decrease, what would happen with foxes and owls?

An automobile having a mass of 2000 kg deflects its suspension springs 0.02 m under static conditions. Determine the nafural frequency of the automobile in the vertical direction by assuming damping to be negligible.