Predict: if you look closely at some stars in the night sky, you can see slight differences in their color. Some stars look reddish. Others appear orange, white, or blue.

If you have a pci express version 2 video card, how many pins will the power connector have if the card requires extra power?

You swing one yo-yo around your head in a horizontal circle. then you swing another yo-yo with twice the mass of the first one, but you don't change the length of the string or the period. how do the tensions in the strings differ?

Slim Jim pushes a box 8 m 4 N force.

Which statement describes how diffusion works? Molecules always move from inside of the cell to outside of the cell. Molecules always move from areas of high concentration to low concentration.

A proton has nearly two-thousand times the mass of a (n) ... a. Electron b. Photon c. Neutron d. Hydrogen atom

Mary has been playing an extreme form of dodge ball, where she has to stand on a board and try not to fall off as objects are thrown at her. Which of the following skills should she improve to do well at this game?

Examine the reactants of the incomplete double-displacement reaction. 2NaCl + H2SO4 → _[blank]_. What is the product of the double-displacement reaction?

A radio wave has a wavelength of 300 m. The wave moves with a speed of 3.0 * 108 m/s. What is the frequency of the radio wave? A. 1.0 * 106 Hz B. 1.0 * 10-5 Hz C. 1.0 * 10-6 Hz D. 1.0 * 105 Hz

What is the momentum of a 0.145 kg baseball traveling at 40.0 m/s

To analyze the motion of a body that is traveling along a curved path, to determine the body's acceleration, velocity, and position. A motorcyclist travels around a curved path that has a radius of 250 ft.