Define speed.

1. a change in direction

2. distance an object moves in a given time

3. the work done

4. time an object moves

If you moved to a planet that has the same mass as the earth but twice the diameter, how would your weight be affected?

What are two thing the atmidspere do for us?

A baking tray is made of metal because its

Many plants will grow from cuttings. The cutting develops a new root system and becomes a clone of the parent plant, but an independent new plant. This type of reproduction is called

What layer produces the magma that causes seafloor spreading and valcanoes

A flashlight beam strikes the surface of a pane of glass (n = 1.50) at a 61° angle to the normal. what is the angle of refraction?

Why is there controversy to the opinion that human contribution of carbon dioxide to the atmosphere is cause warming

If the resistance of a circuit increases, that means that the current has to

One watt is equal to which of these values? 1 joule/hour 1 joule-hour 1 joule/second 1 joule-second

What are some of the benefits of learned optimism that have been found in research? O A. Fewer health problems O O B. All of these C. Making more money O D. A lower divorce rate