Question A 7,800-kg truck runs into the rear of a 1,000-kg car that was stationary. The truck and car are locked together after the collision and move with speed 5 m/s. Compute how much kinetic energy was “lost” in this inelastic collision. Looking for a Similar Assignment? Order now and Get 10% Discount! Use Coupon Code “Newclient”
Question A 35 kg child uses a pogo stick to bounce up and down. The spring constant, k, of the toy equals 8,800 N/m. a) By how much would the spring be compressed by the child if she simply balanced herself vertically on the pedals of the stick? (Give your answer in cm.) b) How much energy (in J) is […]
Question A loaded gun is dropped on a frozen lake. The gun fires, with the bullet going horizontally in one direction and the gun sliding on the ice in the other direction. The bullet’s mass is 0.04 kg, and its speed is 305 m/s. If the gun’s mass is 1.9 kg, what is its speed (in m/s)? Looking for a Similar Assignment? Order […]
Question On a highway curve with radius 44 m, the maximum force of static friction (centripetal force) that can act on a 1,223-kg car going around the curve is 8,127 N. What speed limit should be posted for the curve so that cars can negotiate it safely? Looking for a Similar Assignment? Order now and Get 10% Discount! Use Coupon Code “Newclient”
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