Walking converts what type of energy into mechanical energy? A) chemical B) electromagnetic C) nuclear D) thermal

What are words that involve waves (amplitude, energy, frequency, etc)

Which star does He fusion

A pound of body fat stores an amount of chemical energy equivalent to 3,500 Cal. When sleeping, the average adult burns expends about 0.42 Cal/h for every pound of body weight.

A 45-kg box is being pushed a distance of 6.4 m across the floor by a force P with arrow whose magnitude is 170 N. The force P with arrow is parallel to the displacement of the box. The coefficient of kinetic friction is 0.22.

Which best describes what happens in an electric generator? Motion causes constantly changing magnetic fields to induce electrical energy. Motion causes constantly changing magnetic fields to induce kinetic energy.

Does air resistence decrease with speed

In one area, the lowest angle of elevation of the sun in winter is 23 ° 18 '. Find the minimum distance, x, that a plant needing full sun can be placed from a fence 4.63 ft high.

A wave has a wavelength of 50 m and a speed of 200 m/s. What is the frequency of this wave in hertz?

A 75.0 kg person stands on a scale in an elevator. (a) What does the scale read (in N and in kg) when the elevator is at rest?

Which of the following best describes the earth's average surface temperature for the past 900,000 years? A. a steady warming trend B. fairly steady temperatures until recently C. prolonged periods of cooling and warming D.