Why is winter clothing generally darker in color than summer clothing?

Suppose that 220 g mousetrap car had wheels 10.0 cm in diameter and an axle. 500 cm in diameter. for a car that is 60.0% efficient, find the minimum force exerted on the axle by the mousetrap necessary to move the car up a 20.0 degree incline.

The dominant wavelength of energy emitted by the sun is

Which best explains the statement "It has no definite volume"? A. Its atoms can widely spread out. B. Its atoms stay closely packed. C. It's highly viscous. D. It's highly crystalline.

A ball rolls off at a speed of 3.0 m/s and lands 0.40 seconds later. How far from the base of the desk does the ball land?

What produces the force for the torque that turns an electric motor? The electrical attraction of opposite charges. The force on a current in a magnetic field. An induced electromotive force acting on a loop of wire.

What Science is/is not and How Physics and Chemistry are Connected

What two properties of sound remain the same when sound quality differs? A. amplitude B. frequency C. intensity D. loudness E. pitch F. resonance

A 1650 kg car accelerates at a rate of 4.0 m/s^2. How much force is the car's engine producing?

What is an example of when momentum is not conserved?

When a certain isotope, such as U-238, is hit by a neutron, it will always split into the same smaller nuclei. true or false?