2. A wagon is sitting at the top of a hill that is 30m high. The wagon has a mass of
200 kg. The wagon has
energy. Calculate it.

Why can blue light and yellow light combine to produce white light? question 17 options: they are both primary colors of light. they absorb each other's wavelengths. because blue, yellow, and white are primary colors. they are complementary colors of light.

The rocket is fired vertically and tracked by the radar station shown. when θ reaches 66°, other corresponding measurements give the values r = 32700 ft, r¨ = 85 ft/sec2, and θ˙ = 0.019 rad/sec. calculate the magnitudes of the velocity and acceleration of the rocket at this position.

Specific heat refers to the amount of heat required to change 1 gram of a substance by degree(s) celsius