To open a soda can lid, you can apply a force of 50 N to a car key wedged under the lid. The car key applies a force of 390 N to the lid. What is the mechanical
advantage of using the car key to open the can lid?

The energy of a photon was found to be 3.38 × 10–19 j. planck’s constant is 6.63 × 10–34 j • s. which color of light corresponds to this photon?

The radius of an atom is closest in size to a

According to newton’s law of universal gravitation, which statements are true? as we move to higher altitudes, the force of gravity on us decreases. as we move to higher altitudes, the force of gravity on us increases. as we gain mass, the force of gravity on us decreases. as we gain mass, the force of gravity on us increases. as we move faster, the force of gravity on us increases.