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A spring is hung from the ceiling. A 0.596 -kg block is then attached to the free end of the spring. When released from rest, the block drops 0.120 m before momentarily coming to rest, after which it moves back upward. (a) What is the spring constant of the spring? (b) Find the angular frequency of the block's vibrations.
A monatomic ideal gas is held in a thermally insulated container with a volume of 0.06m^3. What volume must the gas be compressed to increase the pressure to 140 kPa
A 500 kg polar bear of average density 950 kg/m3 is stranded on a melting chunk of ice in the ocean. What is the smallest volume of ice that will keep the bear entirely above water
q1. a 170 g block hangs from a spring with spring constant 9.0 nm. at t0 s the block is 24 cm below an equilibrium
10.5 g of copper metal is heated to 100 degrees C. The copper is then placed into a cup that contains 25 g of tap water, Find the specific heat of copper
The diodes are oppositely oriented, so that when one diode is forward-biased, the other is back-biased. Which phrase best describes the current in the circuit.
Find the kinetic energy of a 81.0-kg spacecraft launched out of the solar system with speed 146 km/s by using the classical equation K =(1/2)mu^2
At a carnival, you can try to ring a bell by striking a target with a 9.68-kg hammer. How fast must the hammer be moving when it strikes the target so that the bell just barely rings
A large grinding wheel in the shape of a solid cylinder of radius 0.330 m is free to rotate on a frictionless, vertical axle. What is the mass of the wheel
What diameter has the tip of the minute hand with 100mil/hr tangential speed? Illustrate what diameter has the tip of the hour hand with 100mil/hr speed?
At a certain location, the horizontal component of the earth's magnetic field is 2.5 x 10^-5 T due north. A proton moves eastward with just the right speed, so the magnetic force on it balances its weight. Fine the speed of the proton.
A solenoid 30 cm long has 2900 turns of wire and carries a current of 5.7 A. Find the magnetic field at the common center
consider an object with s12cm that produces an image with s115cm. note that whenever you are working with a physical
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