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Find the change in volume of an aluminum sphere of 5.2 cm radius when it is heated from 18.0 °C to 296.0 °C. The linear coefficient of thermal expansion of aluminum is 2.300×10-5 /°C.
A parallel-plate capacitor made of circular plates of radius 85 cm separated by 0.20 cm is charged to a potential difference of 1000 volts by a battery. How much additional charge flows from the battery to one of the plates when the Teflon film is ..
A 1.4 kg object at x = 2.00 m, y = 3.10 m moves at an angle 45° north of east. Compute the magnitude of the object's angular momentum about the origin.
You are given three resistors, each of 10 kQ, and a 9-V battery whose negative terminal is connected to ground. What is the output resistance (i.e., the Thevenin resistance) of each
Compare the electric force holding the electron in orbit (r=0.53×10?10m) around the proton nucleus of the hydrogen atom, What is the ratio of these two forces
An open tank is filled with gasoline to a height of 4.5 m from the bottom. A hole of diameter 2.4cm is at the bottom of the tank. How fast is the seepage? How many cubic meters of gasoline is wasted per second?
A 1-microF capacitor, a 10-Ohm resistor and a 1 microH inductor are connected in series with a sinusoidal signal generator of 10V peak voltage amplitude operating at a frequency ω of 100 rad/s. Find the amplitude of current oscillations in the cir..
In a supernova, a red giant of mass 1.19*1031 kg collapses into a neutron star of mass 5.97*1030 kg
A red 2·kg ball traveling 8·m/s due north collides with a green 2·kg ball traveling 5·m/s due west, what direction is he green ball going after the collision
A box that weighs 300 N is pulled across a level surface with a constant velocity. What is the normal force of the floor on the box
A worker drags a crate across a factory floor by pulling on a rope tied to the crate. Calculate the magnitude of the acceleration of the crate
John measured the thickness of a book using a measuring stick. Calculate the mean thickness of the book
The 20-g centrifuge at NASA's Ames Research Center in Mountain View, California, is a horizontal, Determine the rotation rate, in revolutions per second, required to give the astronaut a centripetal acceleration of 19.4g
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