Energy firm the sun is transferred to earth trough convection

As you are sitting in your chair the force of gravity is pulling you down. The amount of force you are applying to your chair is equal to your A. strength. B. weight. C. height. D. mass.

How much is two cups each in a partly of 9 divided in fraction form?

The resistivity of a silver wire with a radius of 5.04 * 10-4 m is 1.59 * 10-8 ω · m. if the length of the wire is 3.00 m, what is the resistance of the wire?

Suppose a vacuum cleaner use 120 j of electrical energy. If 45 j are used to pull air into the vacuum cleaner, how efficient is the vacuum cleaner?

If you leave a wet paper towel out on a counter, it will eventually dry. which change of state causes this?

A sound wave has a frequency of 1,395 Hertz. All sound waves in air travel at 343 m/s. Find the wavelength of the sound wave. what's the answer?

Which factor will affect the light-gathering power of a telescope? A. change in the focal length B. change in the diameter of the objective C. change in the angle of the objective D. change in the elevation of the telescope E.

What is the acceleration of a 30.0-kg go kart if the thrust of its engine is 300.0 N?

Which of the following correctly compares a scientific investigation to a demonstration

You push a 45 kg wooden box across a wooden floor at a constant speed of 1.0 m/s. The coefficient of kinetic friction is 0.25. Now you double the force on the box. How long would it take for the velocity of the crate to double to 2.0 m/s