Why do force and weight have same units?

Which car has the most kinetic energy? a. a car of mass 1000 kg with a speed of 3 m/s b. a car of mass 2000 kg with speed 7 m/s c. a car of mass 1000 kg with speed 7 m/s d. a car of mass 2000 kg with speed 3 m/s

Atomic nuclei of almost all elements consist of

If the new moon happens on january 15th, what shape will it be on february 6th?