What is the force of attraction between two masses 5kg and 8kg at a distance of 60cm apart.(A)4.5×10-9N(B)5.6×10-9N(C)7. 4×10-9N(D)8.0×10-9N (E)10.5×10-9N

The force it would take to accelerate an 900-kg car at the rate of 6m/s2

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.

If the specific heat of a metal is 0.850 j/g °c, what is its atomic weight?