ungee jumper is standing on a tai in the figure. The cord nas a natural length of Ou) Lo = 10.0 m and, when stretched, behaves like an ideal spring with a spring constant of k = 51.0 N/m. The jumper falls from rest, and it is assumed that the only forces acting on him are his weight and, for the latter part of the descent, the elastic force of the bungee cord. What is his speed when he is at the following heights above the water: (a) ha = 38.2 m, and (b) hg = 14.5 m? Lo =10.0 m ho =48.2 m hA = 38.2 m hp -14.5 m

A block with a mass 3.7 kg is sitting on a frictionless ramp with a spring at rhe bottom that has a spring constant of 540 N/m. The angle of the ramp in respect to the horizontal is 36 degrees.  1) the block starts from rest and slides down the ramp a distance of 69cm before hitting the spring. how far is the spring compressed as the block comes to momentary rest? 2) after the block comes to rest the spring pushes the block back up the ramp. how fast is the block moving right after it comes off the spring.  3) what is the change in gravitational potential energy between the original positiion of the block at the top of the ramp and the position of the block when the spring is fully compressed?

Physics Problem: A 2.5-kg block moving at 2. 0 m/s collides with a spring whose spring constant is390 N/m, as shown in the figure. The block compresses the spring a distance of 7.5 cm from itsequilibrium position and comes to a stop. What was the initial height of the block?(a) if the ramp exerts no friction force on the block.(b) if the coefficient of kinetic friction between the block and the horizontal surface is 0.25

A 6.50 ✕ 105 kg subway train is brought to a stop from a speed of 0.500 m/s in 0.400 m by a large spring bumper at the end of its track. What is the force constant k of the spring (in N/m)? (Enter a number.)

A toy car of mass 2.0 kg starts at the top of an incline of angle 20.°. It travels 1.0 meter down the incline to a flat surface where it encounters a spring of spring constant, k = 5.0 N/m. (a) What is the car's speed at the bottom of the incline? (b) When the car encounters the spring, by how much does it compress (max) it? (c) The spring is removed and the car now encounters a second incline as shown. What is the maximum distance the car travels up this second incline?

A glider is placed at the top of an air track that is tilted at an angle of 7.7º from the horizontal. If the glider is then let go (from rest), what is its speed at the instant it has glided 0.275 mm along the track?

A spring with spring constant of 100 N/m launches a 20 g ball verticallyn into the air. If the ball reaches a height of 20 m, determine the original compression distance of the spring.

A teflon block (m = 80 g) is initially at rest when it is launchedhorizontally across a level tabletop with negligible friction.The block is launched using a spring with k = 790 N/m thathas been compressed by ∆x = 5.0 cm. When the block reachesthe edge of the flat table (height h = 1.5 m) it falls down tothe floor below. Let Vf be the speed of the block just before it hits the floor. As m approaches infinity, what does Vf approach? Why?