The billiard ball model was the working model of the atom until thomson discovered the

a. nucleus.

b. proton.

c. neutron.

d. electron.

Define the theory of relativity?

Which of the following is true of the inner core of the earth? A. It is the consistency of asphalt. B. The average temperature is 4000 degrees. C. It is so hot that the elements vibrate in place. D.

In order to increase the amount of work done, we need to: A. decrease the force applied to an object. B. decrease the time to do the work. C. increase the time to do the work. D. increase the force applied to the object.

An object is released from rest near and above Earth's surface from a distance of 10m. After applying the appropriate kinematic equation, a student predicts that it will take 1.43s for the object to reach the ground with a speed of 14.3m/s.

3 cases where kinetic energy become potential energy

What is the velocity of a wave having a frequency of 25 Hz and a wavelength of 10m

What is the force on a 1-kg ball that is falling freely due to the pull of gravity

Which would react chemically by forming an ionic bond? A. 2 chlorine atoms with 7 valence electrons each B. 1 neon atom with 8 valence electrons and 1 lithium atom with 1 valence electron C.

Which of these are considered an oxidizing mutagenic agent? x-rays benzopyrene gamma rays

5. A B note has a frequency of 493.88 Hz. Calculate its wavelength in meters.