Predict whether the hottest part of a room will be near the ceiling, in the center, or near the floor, given that there is a hot-air vent near the floor.

Should the shape of an object be considered a property of the material?

What best describes the speed of light waves in solids, liquids, and gases? The speed is fastest in solids. The speed is fastest in liquids. The speed is fastest in gases. The speed is the same in all matter.

1) A hot, bright star would appear in which section of an H-R diagram? A) lower left B) upper right C) upper left D) lower right 2) All stars remain on the main sequence A) until they stabilize B) for about 90% of their lifetimes C) until they

A ball is dropped from the top of a cliff 651 m high. How long does it take the ball to hit the ground at the bottom of the cliff, in seconds?

Different forms of the same element are called what

The atmosphere is an). O element O molecule O mixture O compound

What is the velocity of the car, in meters per second, just after it hits a 135-kg deer initially running at 10.5 m/s in the same direction? Assume the deer remains on the car.

True or false the metric unit used to describe weight as a measure of the force of gravity is called a newton

One car travels 40. meters due east in 5.0 seconds, and a second car travels 64 meters due west in 8.0 seconds. During their periods of travel, the cars definitely had the same

When an object slides down an inclined plane, the angle between the displacement and the force of gravity is the same as the angle that the surface makes with the horizontal. Suppose you have a 2-kg cart rolling a distance of 1.