What is the momentum of a 35 kilogram cart moving at a velocity of 1.2 meters per second? 42 kg(m/s)
70 kg(m/s)
420 kg(m/s)
700 kg(m/s)

The plum pudding model of the atom state that ?

Afisherman notices that his boat is moving up and down periodically without any horizontal motion, owing to waves on the surface of the water. it takes a time of 2.20 s for the boat to travel from its highest point to its lowest, a total distance of 0.670 m . the fisherman sees that the wave crests are spaced a horizontal distance of 5.80 m apart. (a) how much is the wavelength? (b) find the period of the wave. (c) how fast are the waves traveling? (d) what is the amplitude a of each wave?

Which compound is held together by the electrostatic force between two ions? a. co2 b. cci4 c. h2s d. mgf2