What do hurricanes use to gain strength?

A cheetah is 65kg and goes from 0 m/s to 160 m/s in 4 seconds

Which of the following items does not use a wheel and axle? A. a doorknob B. a light bulb C. a faucet handle D. a clock with hands

Vx = 20 m/s, vy = 43 m/s. Find the vector's magnitude.

Why doesn't this aquarium represent a closed system? A. because light, heat, and air can enter and exit B. because it has plastic plants C. because the water is cold D. because there is more than one kind of fishuired.

What is the name of chart scientists use to group together elements with similar properties?

A heat engine with a thermal efficiency of 45 percent rejects 500 kj/kg of heat. how much heat does it receive

Which was least likely to have been a component of Earth's atmosphere before life began? A-sulfur B-carbon dioxide C-oxygen D-water vapor

Vector A makes equal angles with x, y and z axis. value of its components (in terms of magnitude of vector A will be?

If a 0.200-kilogram ball sits on a shelf 2.00 meters from the floor, how much mechanical energy (me) does it possess?

Which statement describes static equilibrium? A. The forces on an object are unbalanced. B. An object has balanced forces acting on it and constant velocity. c. The forces on an object are balanced and there is no motion. D.