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A beam of unpolarized light of intensity26.0 W/m2 passes during a polarizing sheet. What is the electric field amplitude of the transmitted beam?
A large block of copper initially at 20.0oC is placed in vat of hot water (80.0oC). For the first 1.0 J of heat that flows from the water into the block, find the entropy change of the water
A mass rests on top of the piston. The initial temperature of the system is 305 K and the pressure of the gas is held constant at 137 kPa. The temperature is now increased until the height of the piston rises from 23.4 cm to 27.0 cm. What is the f..
At time t = 0 and at position x = 0 m along a string, a rightward (+x dir) traveling sinusoidal wave with frequency of 220 Hz has displacement y = +4.0 mm, What is the amplitude of this wave
A 72 kg crate is dragged across a floor by pulling on a rope attached to the crate and inclined 15° above the horizontal. If the coefficient of static friction is 0.49, what minimum force magnitude is required from the rope to start the crate moving
you send a beam of light from a material with index of refraction 1.23 into an unkown material. in order to help
A battery supplies a 6.0x10^-6 C charge to a 5.0µF capacitor to create a potential difference of 1.20 V across its plates. How much energy is stored in the capacitor in this case
Light passes through a diffraction grating with 3550 lines/cm and forms a first-order maximum at an angle of 12.07°. At what angle will the second maximum appear
Calculate the horizontal force that must be applied to create an acceleratrion of 1.8g for a 1.2kg puck on a horizontal friction-free air table.
A 900 Kg truck is driving at 45 m/s when it hits a large soft object and becomes embedded with it. Find the amount of work the object does to bring the truck to a stop
a hot air balloon is descending at a rate of 2.6 ms when a passenger drops a cell phone.a if the phone is 40 m above
A 676kW power station delivers power to a factory, How much less power is wasted in the transmission wires if the electricity is delivered from the power station at 54200V rather than 13700V
a uniform electric field is established by connecting the plates of a parallel-plate capacitor to a 12.0 v battery.a if
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