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An aluminum sphere of radius 10.7 cm is heated from 110.0 °F to 182.0 °F. (The linear expansion coefficient for aluminum is 2.20 10-5 K?1.)
(a) Find the volume change.
(b) Find the radius change.
A professor's office door is 0.95 wide, 2.2 high, 4 thick; has a mass of 22 , and pivots on frictionless hinges. A "door closer" is attached to door and the top of door frame. When the door is open and at rest, the door closer exerts a torque of 5..
A 1 KW motor accelerates centrifuge in 1 minute from rest to speed 1000 rmp. Find moment of inertia of the centrifuge
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A window washer is climbing up a ladder to wash a window. The end of the 10.5 foot ladder exactly touches the windowsill, How far off the ground is the windowsill
Heart Pump Rate When at rest, your heart pumps blood at the rate of 5.00 liters per minute (L/min). find the volume of blood pumped by your heart in one day
An airplane traveling at 480 km/h needs to reverse its course. The pilot decides to accomplish this by banking the wings at an angle of 38o. Find the time needed to reverse course
A block of mass 2.50 kg is pushed 2.80 m along a frictionless horizontal table by a constant 14.0 N force directed 25.0° below the horizontal, Determine the work done by the applied force
Light with a wavelength of 525 nm passes through a single slit that is 35 micro meters wide. On a screen that is 1.5 m away, how far is the second dark spot from the central bright spot
A daredevil is shot out of a cannon at 43 degrees to the horizontal with an initial seed of 25m/s. A net is positioned at a horizontal distance of of 50m from the cannon from which it is shot. At what height above cannon should the net be placed i..
When four people with a combined mass of 305 kg sit down in a 2.0 103-kg car, The four people get out of the car and bounce it up and down. What is the frequency of the car's vibration
a falling flower pot passes a 1.5 m tall window of an apartment building in a time of .16 s. how fast was the pot falling at the top of the window? from what height above the top of the window was the pot dropped?
The molar mass oxygen gas is 32.0 x 10^-3 kg/mol. If the gas is at 21 degrees C, find the root-mean-square speed for an oxygen molecule
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