How many electrons are in the outer energy level of an atom of carbon

A force F acts in the forward direction on a cart of mass m. A friction force ff opposes this motion. Part A Use Newton's second law and express the acceleration of the cart. Express your answer in terms of the variables F, f, and m.

Two stellar science students are pushing a box, one on each side of the box. Kenny is pushing the box with a force of 10N to the left. Michael is pushing the box with the force of 15N to the right. Draw a force diagram.

How do you account for the release of a large amount of energy in a nuclear fission process?

A man finds that he has a mass of 100.6 kg. He goes on a diet, and several months later he finds that he has a mass of 96.4 kg. Express the mass 100.6 kg in scientific notation.

Suppose the energy transferred to a dead battery during charging is W. The recharged battery is then used until fully discharged again. Is the total energy transferred out of the battery during use also W?

Which statement about speed and/or velocity is true? Velocity has both speed and direction. Speed is constant. Speed has direction and velocity. Speed is measured over time.

Gamma-ray bursters are objects in the universe that emit pulses of gamma rays with high energies. The frequency of the most energetic bursts has been measured at around 3.0 * 1021 Hz. The speed of light is 3 * 108 m/s.

Is movements of ocean currents mainly caused by the moon

Which one of the following choices is an effective way to pervent low-back pain A. eliminate warm-up before exercise B. lift objects by putting weight on your upper back C. maintain correct posture Do. limit the amount of exercise you do per week

Two cups of the same size are filled to the brim with clear liquids. Cup A holds water. Cup B contains alcohol. Your teacher challenges you to figure out which cup holds water.