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A box of mass 0.500 kg hangs from a vertical spring with k =30.0 N/m. The box is at rest at the spring’s equilibrium positionwhen a lump of putty with mass 0.100 kg falls on the box from above and sticksto it. Just before striking the box the putty has a downward velocity of2.0 m/s and the collision is inelastic. Calculate the amplitude of the resulting simple harmonic motion putty
An air puck of mass m1 = 0.23 kg is tied to a string and allowed to revolve in a circle of radius R = 1.3 m on a frictionless horizontal table.
A physics book slides off a horizontal tabletop with a speed of 2.70{\rm m}/{\rm s} . It strikes the floor in 0.350{\rm s} . Ignore air resistance. Find the height of the tabletop above the floor
During 8.83 seconds a motorcyclist changes his velocity from v1,x = -36.5 m/s and v1,y = 10.5 m/s to v2,x =-23.1 m/s, Find the components of the motorcycle\'s average acceleration
A battery is designed to have an EMF of 12.0V. When the battery is connected to an unknown resistor in series the terminal voltage drops down to 10.0V. what is the value of the unknown resistor
two football players interact on the field. one moving toward the right is carrying the ball and wants to cross the
a person with a remote mountain cabin plans to install her own hydroelectric plant. a nearby stream is 3.00 m wide and
a very large nonconducting plate lying in the xy-plane carries a charge per unit area of 5theta. a second such plate
Two forces act on a car. Force A is 120 N, west and force B is 200 N at 60° N of W. What is the direction of the resultant force on the car
A metal ball with a mass of 2 g, a charge of 1 uC, and a speed of 42 m/s enters a magnetic field of 16 T. What is the maximum acceleration of the ball
a fish maintains its depth in fresh water by adjusting the air content of porous bone or air sacs to make its average
You know your mass is 70kg , but when you stand on a bathroom scale in an elevator, it says your mass is 94kg . What is the acceleration of the elevator
A charge of +q is situated at the origin, while an identical charge is located on the x axis at x = 0.58 m. A third charge of +4q is located on x axis at such a place that the net electrostatic force on the charge at origin triples.
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