A spring-loaded ballistic cart measuring 470 g is in contact with a second 640 g cart. The carts are initially at rest on a level surface. The spring is released and the lighter cart is observed to move at +0.83 m/s afterward. What is the velocity of the other cart?

Identify the correct relation showing that the radius r of the orbit of a moon of a given planet can be determined from the radius r of the planet, the acceleration of gravity at the surface of the planet, and the time τ required by the moon to complete one full revolution about the planet. determine the acceleration of gravity at the surface of the planet jupiter knowing that r = 71 492 km and that t= 3.551 days and r= 670.9 × 10^3 km for its moon europa.

The lift raises a car of mass 850 kg to a height of 2.1 m. it uses a force of 8330 n and takes 4 seconds to raise the car. what is the power of the lift?

What is the wavelength of an earthquake wave if it has a speed of 8 km/s and a frequency of 3 hz?