A cart with a mass of 7.0 kilograms is attached to a spring. When released from the spring, the cart travels up a hill with a height of 12 meters. The cart comes to rest at the top of the hill. The spring is 100% efficient. 4. Approximately how much elastic potential energy was required to bring the cart to rest at the top of the
hill?
A. 42.0 joules
B. 68.7 joules
C. 504 joules
D. 824 joules

What type of light does this light bulb produce most (i.e. at what wavelength does the spectrum have maximum intensity)?

Will give brainliest! which statement best describes the similarities between fundamental forces? electromagnetic and strong nuclear forces influence the interaction between charged particles within an atom. gravitational and magnetic forces are both types of charges that occur in nature. nuclear and magnetic forces are both related to mass and weight. strong nuclear force is most like electrical force because they are both related to distance.

A250-n box is at rest on a frictionless horizotal floor. then a person shoves the box with a non-zero force of magnitude p. which statement best describes the relationship betweeen p and the motion of the box after it was shoved? -the box will not move when p< 250n but otherwise will accelerate at a constant rate that is directly proportional to p - the box will begin moving at a speed that is directly proportional to p, then will gradually slow to a halt -the box will move with constant velocity at a speed that is directly proportional to p -box will accelerate across the floor at a constant rate that is directly proportional to p