Frying a pancake is an example of a) conduction b) convection c) radiaton

A2 kg ball travellng to the right with a speed of 4 m/s collidees with a 5 kg ball traveling to the left with a speed of 3 m/s. take right to be the positive direction. what is the total momentum of the two balls before they collide? what is the total momentum of the two balls after they collide?

True or false when elements combine to form a mixture, the resulting chemical properties may be very different from those of the elements that make it.

In a system, when potential energy decreases, then entropy also decreases. true false