Most matter in the universe is revealed by, but dark matter is detected by the degree to which bends on its way to earth.

A 120VAC electric heater has two resistive heating elements that can be switched separately in and out, in series or parallel. Find the values of the two resistors if the minimum power drawn by the heater is 300 watts and the maximum is 1200 watts.

Mars moves in an elliptical orbit around the sun, and the mass of mars is much less than the mass of the sun. at the instant shown above, mars is getting farther away from the sun.

A basketball star covers 3.05 m horizontally in a jump to dunk the ball (see figure). His motion through space can be modeled precisely as that of a particle at his center of mass. His center of mass is at elevation 1.02 m when he leaves the floor.

Which of these represents transfer of heat through convection when a pan of water is placed on an electric stove?

What is the distance from the peak of one wave to the peak of the next wave called? Wavelength Crest Trough Amplitude

How was bohr atomic model similar to Rutherford's model

A rigid container filled with a gas is placed in ice. What will happen to the pressure of the gas? And what will happen to the volume?

A man is sitting on a 20 m height building and his mass is 50 kg. Calculate the mechanical energy.

Which of the following correctly describes which types of waves travel through which types of mediums? A) Transverse waves travel through solids, liquids, and gases.

Niko was hiking in the mountains when he found a spring, or a place where water naturally flows out of the ground. Where did the water in the spring come from? A. It is water that was squeezed out of an igneous rock when the rock changed. B.