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A CD (radius 6.0cm) is spinning freely with an angular velocity of 400 rpm when a bug drops onto the CD a distance of 4.5cm from the center. If the CD slows to 300 rpm, what is the ratio of the bug's mass to the mass of the CD?
Carbon tetrachloride (n=1.46) is poured into a container made ofcrown glass (n=1.52). what is the angle of the corresponding refracted ray
A block of mass M = 5.90 kg, at rest on a horizontal frictionless table, is attached to a rigid support by a spring of constant k = 5960 N/m. find the amplitude of the resulting simple harmonic motion
A certain heat engine does 12.0 kJ of work and dissipates 8.00 kJ of waste heat in a cyclical process. What was the heat input to this engine
A certain atom has atomic number Z = 20 and atomic mass number A = 42. What is the approximate radius of the nucleus of this atom
three identical small styrofoam balls m 1.82 g are suspended from a fixed point by three nonconducting threads each
question a balloon is directly west of two observing stations 10 km apart. the angles of elevation of the balloon from
A spacecraft has a nonrelativistic (or classical) momentum whose magnitude is 1.5 × 1013 kg·m/s. Find the relativistic momentum of the spacecraft
Discuss the position and size for the n = 1 state of Harmonic Oscillator. How do you picture this state? What is her size relative to the well wall? Does she penetrate the wall much?
A two-slit pattern is viewed on a screen 1.26 m from the slits. If the two fourth-order maxima are 54.0 cm apart, what is the total width of the central bright fringe
How much charge can be placed on a capacitor with air between the plates before it breaks down if the area of each plate is 6.00 cm2
A railroad flatcar of weight 7840 N can roll without friction along a straight horizontal track. What is the change in velocity of the car
The gravitational acceleration on the Moon is a sixth of that on Earth. The weight of an apple is 1.03 N on Earth. What is the mass of the apple
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