Which is an example of conduction?

A) Soup is warmed in a microwave oven.

B) A hand is burned when touching a pot handle.

C) Air above an ocean warms up and rises.

D) A stone gets hot from sitting outside on a sunny day.

What object is an insulator? A) Iron B) Copper C) Plastic D) Salt Water

A stone is launched straight up by a slingshot. Its initial speed is 19.6 m/s, and the stone is 1.50 m above the ground when launched, (a) How high above the ground does the stone rise? (b) How much time elapses before the stone hits the ground?

A roller-skate with a mass of 10kg has a force of 12N exerted on it. At what rate did the skate accelerate?

Durning the period when aurochs existed on Earth, they were preyed on by large predators. Some individual aurochs had stronger muscles than others.

A 100 kg train traveling at 20 m/s crashes into a stationary 400 kg car. After the collision the car and the train are stuck together. What is their velocity.

Two tuning forks, 254 Hz. and 260. Hz, are stuck simultaneously. how many beats will be heard?

What is a positive impact of artificial fertilizers

The coloring of the blue morpho butterfly is protective. As the butterfly flaps its wings, the angle at which light strikes the wings changes. This causes the butterfly's color to change and makes it difficult for a predator to follow.

What lunar phase would be observed from the earth, if the moon were at a 90° angle with the earth and sun?

Unbalanced contact forces between several objects would result in A. one of the objects moving B. all of the objects moving C. at least one of the objects moving and possibly all of them moving D. none of the objects moving