Amass is pressed against (but is not attached to) an ideal horizontal spring on a frictionless horizontal surface. after being released from rest, the mass acquires a maximum speed v and a maximum kinetic energy k. if instead the mass initially compresses the spring twice as far:

Against his financial advisor's advice, frank has decided to invest his money in some risky stocks because he once made quite a bit of money in the stock market. his decision illustrates a. the representativeness heuristic b. overconfidence c. the availability heuristic d. confirmation bias select the best answer from the choices provided

Determine the force the sun exerts on an object with a mass of 80.0 kg if that object is on the earth. what is the force exerted by the moon on the same object? what is the force the earth exerts on it?

Is a volume of space that is empty of matter.