12 3 4 5 6 7 8 9 10 time remaining 55: 22 the transfer of energy that occurs when molecules bump into one another is called
a. radiation
c. convection
b. conduction
d. condensation

If a tank filled with water contains a block and the height of the water above point a within the block is 0.8 meter, what is the pressure at point a?

A0.580-kg rock is tied to the end of a string and is swung in a circle with a radius of 0.500 meters. the velocity of the rock is 4.50 m/s. what is the centripetal force acting on the rock? 15.5 n 5.22 n 69.8 n 23.5 n

What sort of waves exhibit the doppler effect?