How fast must a 1000 kg car moving to have a kinetic energy of (a) 2.0 x 10^3 j and (b) 2.0×10^5 j

25pts the diagram shows the positions of the sun, moon and earth during spring tides, when the high tides are at their highest and low tides at their lowest. what is it about these positions that causes these high and low tides?

The mini-refrigerator fire was most likely caused by what type of wiring?

The protons in a nucleus are approximately 2 ✕ 10^−15 m apart. consider the case where the protons are a distance d = 1.93 ✕ 10^−15 m apart. calculate the magnitude of the electric force (in n) between two protons at this distance.