On a particular roller coaster there is a loop with a radius of 19 meters. If it takes you 5.8 seconds to make the loop in your 390 kg cart, what is the centripetal force acting on your cart?
About 3830 N
About 8690 N
About 28500 N
About 8020 N

The heliocentric and the geocentric models of the solar system included these central principles

Amass weighing 24 pounds, attached to the end of a spring, stretches it 4 inches. initially, the mass is released from rest from a point 8 inches below the equilibrium position. find the equation of motion. (use g = 32 ft/s2 for the acceleration due to gravity.)

Photons with the highest energy have the longest period