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A solid metal cylinder mass m = 8.55 kg of diameter d = 8.57 cm and length L = 45.5 cm is suspended from a spring scale and partially immersed in water. The top of the block is at distance h = 18 cm above the surface of the water.
What is the reading (in N) of the spring scale?
Charge Q=+ 5.00μC is distributed uniformly over the volume of an insulating sphere that has radius R = 5.00cm. What is the potential difference between the center of the sphere and the surface of the sphere
Using special relativity, determine the ratio of the electron's speed v to the speed of light c. What value would you obtain for this ratio if instead you used the classical expression for kinetic energy?
even the best mirrors absorb or transmit some of the light incident on them. the highest-quality mirrors might reflect
A 0.051 kg aluminum bullet traveling at 456 m/s strikes an armor plate and comes to a stop. What is the bullet temperature change in degrees Celsius
An elevator has a mass of1170 kg and carries a maximum load of 786 kg. A constant frictionalforce of 4260 N retards its motion upward. Theacceleration of gravity is 9.8 m/s2 .
A turntable is rotating at 45 rpm. It then slows steadily to rest over 20 sec. Obtain through how many revolutions does it turn before stopping
Three identical masses of 620 each are placed on the x axis. One mass is at = -130 , one is at the origin, and one is at = 320. What is the magnitude of the net gravitational force on the mass at the origin due to the other two masses? Take the gr..
In the railroad freight yard, an empty freight car of massm rolls along a straight level track at 1.1 m/s and collides with an initially stationary,fully loaded boxcar of mass 3.9m.The two cars couple together upon collision.
A physics lecture room has a volume of 237 m3. For a gas pressure of 1.00 atm and a temperature of 26.0 oC, estimate the number of air molecules in the room
Compute the capacitance of a planet, assuming it is a spherical capacitor of radius R = 8050.0 km with charge distributed throughout the volume of the sphere.
The output voltage of an AC source is given by ?v = 120 sin 26.0pt, where ?v is in volts and t is in seconds. Find the frequency of the source
An 8.00kg package in a mail-sorting room slides 2.00m down achute that is inclined at 53.0degrees below the horizontal. What is the net work done on the package
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