How many species go extinct every day?

Starting from rest, a solid sphere rolls without slipping down an incline plane. at the bottom of the incline, what does the angular velocity of the sphere depend upon? check all that apply. check all that apply.

If two forces of equal magnitude act on an object that is hinged at a pivot, the force acting farther from the pivot must produce the greater torque about the pivot. A) true B) false C) unable to decide without knowing the shape of the object

Why you do scientists collect multiple trials?

Why does an astronaut weigh less on the moon than on Earth? a. The astronaut has less mass on the moon. b. The astronaut is farther from Earth's center when he or she is on the moon. c.

A student and the waxed skis he is wearing have a combined weight of 850 newtons. The skier travels down a snow-covered hill and then glides to the east across a snow-covered, horizontal surface.

How can you determine the type of radiation an atom emits as its nucleus decays

The atoms of which elements are most likely to share many electrons among many atoms? Check all that apply.

There are multiple tuning forks present in the room, and Annie strikes one with a natural frequency of 400 Hz.

How would you describe a heavy element to someone who doesn't know what it is?

Determine the change in velocity of a car that starts at rest and has a final velocity of 20 miles per second North