The first object weighted 10,000 kg, and the second object had a mass of 13,000 kg. If the objects were 1 meter apart, use Newton's Law of Universal Gravitation to determine the force of attraction between the two objects.

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?

Select all the correct answers. which changes will increase the rate of reaction during combustion? decreasing the area of contact between the reactants adding more oxygen to the reaction removing heat from the reaction changing the reactants from solid form to powdered form lowering the exposure of the reactants to air

The electric field inside a cell membrane is 8.0mn/c. what's the force on a singly charged ion in this field?