7 1 point A 0.700 kg block hangs on a spring and the spring stretched by 3.35 cm. How much energy is stored in the stretched spring? Drag n' Drop here or Browse13 1.5 points The vertical displacement y of water in in a canal is described by y(x. t) = 0.800 sin [0.628x - 540t] where x is the horizontal displacement the right of the origin in meters, and t is the time in second. What is the frequency of the wave? Drag n' Drop here or Browse14 2 points A runaway railroad car with mass 3.0 X 10 kg coasts across a level track at 2.0 m/s when it collides elastically with a spring-loaded bumper at the end of the track. If the spring constant of the bumper is 2.0 X 10 N/m, what is the maximum compression of the spring during the collision? T Drag n' Drop here or Browse