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A uniform disk, of mass 2.0kg and radius 45cm, rolls from rest without slipping down an incline of length 35m and slope 30 degrees. Find
(A) the angular acceleration of the disk, and
(B) the time needed to reach the bottom of the incline.
A mass m equals 4 kg on a slanted surface theta equals 30 degrees. A light rigid cord runs from mass m to pully beta equals 1/2, calculate the magnitude of the systems acceleration
A bullet leaves a standard 45-caliber pistol (5.0-in. barrel) at a speed of 262 m/s. If it takes 1 ms to traverse the barrel, determine the average acceleration experienced by the 16.2-g bullet within the gun and after that compute average force e..
A bullet with a mass m = 4.83 g and initial speed of 330 m/s passes through a wheel which is initially at rest, What is the angular speed of the wheel just after the bullet leaves it
The 5400m 1000-500mb thickness contour is often used as a proxy for the rain/snow line throughout much of the country. Calculate the mean virtual temperature of the layer for this thickness value.
A quasar 10 billion light years from Earth appears the same brightness as a star 5.9*10^4 light years away. How does the power ouput of the quasar compare with that of the star
A gas is enclosed in a cylinder fitted with a light frictionless piston and maintained at atmospheric pressure. Calculate the change in internal energy of the gas
A 3.11 kg object initially moving in the positive x-direction with a velocity of +5.30 m/s collides with, Find the final components of velocity of the composite object
(a) Calculate the number of electrons in a small, electrically neutral silver pin that has a mass of 12.0 g. Silver has 47 electrons per atom, and its molar mass is 107.87 g/mole. (b) Imagine adding electrons to the pin until the negative charge h..
A rope, assumed massless, is stretched horizontally between two supports that are 3.43 m apart. obtain the tension in the rope
On a part-time job, you are asked to bring a cylindrical iron rod of density 7800 , length 84.4, Calculate the weight of the rod
The magnetic field component of the electromagnetic wave is 15.0 microT. What is the magnetic energy density of the wave
How does hydrogen bonding affect large molecules like proteins? What shapes do proteins take because of this effect?
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