Which describes the process of conduction?

a.
heat energy is transferred from the land to the air by direct contact.

b.
heat energy is transferred from the land to the air by indirect contact.

c.
heat energy is transferred by mass movements of air.

d.
heat energy is transferred by sunlight.

Arock is dropped from a cliff and reaches the ground in 2.70s. at the same time another rock is thrown horizontally from the same height with initial x velocity of 0.95 m/s. what distance will in x will the second rock cover?

Because light travels in a straight line and casts a shadow, isaac newton hypothesized that light is

In a heat engine if 1000 j of heat enters the system the piston does 500 j of work, what is the final internal energy of the system if the initial energy was 2000 j? 1. write the equation 2.list out your known variables 3.plug the numbers into the equations 4.solve 5.write your solution statement that includes initial energy and final