The ancient continent of north American was called

At a certain instant, the charge stored by a capacitor in an LC circuit is 60  C and the energy stored by the capacitor is nine sixteenths of its maximum value.

A cell is classified as eukaryotic if the cell A. has a cell wall. B. contains a nucleus. C. contains chloroplasts. D. lives in the absence of oxygen.

Fragments of fireworks beautifully illuminate the night sky. What specific path is ideally traced by each fragment?

You're carrying a 3.2-m-long, 24kg pole to a construction site when you decide to stop for a rest. You place one end of the pole on a fence post and hold the other end of the pole 35cm from its tip.

Explain why the driver of a car has to continuously apply pressure to the gas pedal in order to keep the car cruising at a steady speed, even on a flat road. Does this situation violate the law of conservation of energy? Explain.

Photosynthesis is an endothermic chemical reaction that forms sugars from carbon dioxide, water, and the sun's energy. Which of the following must be true of photosynthesis?

What is a calorimeter used to measure?

When the mover pushes the box, two equal forces result. Explain why the box moves

What equation expresses the the work-energy theorem?

What is the potential energy for and object with mass of 15 Kg and 20 m above the ground?