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A bungee jumper with mass 62.0 kg jumps from a high bridge. After reaching his lowest point, he oscillates up and down, hitting a low point eight more times in 35.1 s. He finally comes to rest 30.0 m below the level of the bridge.
Calculate the spring stiffness constant of the bungee cord.
N/m
Calculate the unstretched length of the bungee cord.
m
A 1.50 kg object is held 1.20m above a relaxed massless, vertical spring with a force constant of 320 N/m. The object is dropped onto the spring.
A 200 gm block of metal is heated to 100 degrees Celcius in boiling water. This block is after placed in an aluminum calorimeter cup (mass - 30gm; c - .22 cal/g degrees C) containing 180 gm of water at 20 degrees C.
A physics demo launches a ball horizontally while dropping a second ball vertically at exactly the same time. Which ball hits the ground first? and why
George, Romeo's not often heard about older brother, was also quite in love with Juliet. One night he tried to climb a 10 m long, find the coefficent of friction between the ladder and the grass
The wavelength of characteristic x-rays in the K? line from a particular source is 0.07970 nm. Determine the material in the target
o particles with charges +9e and -9e are initially very far apart (effectively an infinite distance apart). which is the change in the electric potential energy
A steam catapult launches a jet aircraft from the aircraft carrier John C. Stennis, giving it a speed of 210 mi/h in 3.00 s. (a) Find the average acceleration of the plane. m/s2 (b) Assuming the acceleration is constant, find the distance the plan..
Supporting his theory, since 2001, workers in the United States have enhancement their hours worked while tax rates have dropped. What theory or theories of motivation might describe such a change.
A 500-kg elevator is pulled upward with a constant force of 5500 N for a distance of 50.0 m. What is the net work done on the elevator
A rectangular boat is overloaded so that the water level (in fresh water) is just one centimeter (1.0 cm) below the top of the boat. what is the combined mass of all the people and the boat combined
Calculate the rate of heat conduction through house walls that are 13.0cm thick and that have an average thermal conductivity twice that of glass wool. Assume there are no windows or doors.
q1. a rifle with the barrel length of 62cm fires a 12g bullet with a horizontal speed of 380ms. the bullet strikes a
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