3. Suppose that a 1000 kg car is traveling at 18 m/s. Its brakes can apply a force of 4000 N. What is the minimum distance required for the car to stop? (Hint: first find acceleration and then use kinematic equation to find the displacement.) 4. Find the time required for the car in question-3 to stop.

Most of the volume of an atom is occupied by the

According to an observer on earth, planet x is stationary. maria and samir depart earth on their spaceships at the same time, each flying at 0.5c. maria flies toward planet x and samir flies in the opposite direction. according to maria, her voyage to planet x takes 9 years. how many years does maria's voyage take according to samir?

Is the portion of the electromagnetic spectrum that has a frequency just above that of visible light.