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A 2.0 kg breadbox on a frictionless incline of angle ? = 33° is connected, by a cord that runs over a pulley, to a light spring of spring constant k = 120 N/m, as shown in the figure below. The box is released from rest when the spring is unstrectched. Assume that the pulley is massless and frictionless.a) What is the speed of the box when it moves 11 cm down the incline?m/sb) How far down the incline from its point of release does the box slide before momentarily stopping?mc) What are the magnitude and the direction of the box's acceleration at the instant the box momentarily stops?
A 16.0-? resistor, a 12.0-µF capacitor, and a 17.0-mH inductor are connected in series with a 170-V generator. At what frequency is the current a maximum
What is the net charge inside the sphere.
Light with a wavelength of 650 nm passes through a slit 7.56 µm wide, Find the linear distance on the screen from the central bright fringe to the third dark fringe on either side
You want to design the loop-the-loop toy. The idea is that a ball of mass m=0.01 kg, determine the minimum height necessary for the ball to remain in contact with the track during the whole loop-the-loop journey
The classical picture of the hydrogen atom has a single electron in orbit a distance 0.0529nm from the proton. Calculate the electric potential associated with the proton's electric field at this distance.
A 0.450-kg block of wood hangs from the ceiling by a string, and a 7.30×10?2-kg wad of putty is thrown straight upward, How high does the putty-block system rise above the original position of the block
A classical particle of mass m moves in 1 dimension and is attached to an ideal spring of spring constant mw_0^2 . Ignore friction. Take the equilibrium position of the particle to be the origin of the particle’s position x.
The motion of a particle is given by x= Asin^3(wt). What is the expression for the particle's velocity
If the charge is 23 mu/C, the velocity is 1500 m/s, find the force (magnitude and direction) on the charge.
A solution has a hydronium-ion concentration of 1.0 x 10-5 mol per liter. What is the hydroxide-ion concentration of this solution
At 34C, the resistance of a segment of gold wire is 53.6 . When the wire is placed in a liquid bath, the resistance decreases to 97.1. What is the temperature of the bath
A hair breaks under a tension of 1.1 N. What is the diameter of the hair? The tensile strength is 2.0 108 Pa
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