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A bungee jumper with mass 69.5 jumps from a high bridge. After reaching his lowest point, he oscillates up and down, hitting a low point eight more times in 35.4 . He finally comes to rest 28.0below the level of the bridge. Calculate the spring stiffness constant and the unstretched length of the bungee cord.
A 1460-kg submarine rises straight up towards the surface. Seawater exerts both an upward buoyant force of 16300 N on the submarine, as well as a downward resistive force of 1090 N. What is the submarine's acceleration?
A circular loop with a radius of .200m is placed in a uniformmagnectic field of magnitude 0.850T. find the increase in magneticfield through the loop
A 2.50g ice flake is free from the edge of a hemispherical bowl whose radius r is 31 cm. The flake-bowl contact is frictionless. What is the speed of the flake when it reaches the bottom of the bowl?
A student strikes a long aluminum rod at one end. Another student, at the other end with her ear close to the rod, How long is the rod
An exhaust tube from a steam generator is submerged in a large container of cool water. what is the change of entropy (in J/deg) of the steam
A Li-6 nucleus has a mass of 6.015121 u The mass of a single proton is 1.007276 u, What is the binding energy of lithium
A 3.83 long organ pipe is open on both ends. Find its fundamental frequency Find its first three overtone frequencies
What angular velocity would be required to give a rotating object of mass 25 kg and a radius of 2 m a centripetal force of 50 N
The plates of a spherical capacitor have radii 36.2 mm and 40.3 mm. Calculate the capacitance in picofarads
A large turntable rotates about a fixed vertical axis, makingone revolution in 8.00 s. What is theangular speed of the turntable when the child is 3.00 m from the center
A ladybug is sitting at the center of a turntable. The turntable is rotating on a frictionless bearings and it rotates without assistance from a motor. As the ladybug walks to the edge of the turntable, what happens to combined angular momentum of..
A refracting telescope is used to view the Moon (diameter 3480 km, distance from Earth 385,000 km). What is the diameter of the image produced by the objective
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