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A flat sheet of ice has a thickness of 2.0cm. It is on top of a flat sheet of crystalline quartz thathas a thickness of 1.1cm. Light strikes the ice perpendicularly and travelsthrough the quartz. In the time it takes the light totravel through the two sheets,
a) How far (in cm) would it have to travel invacuum?
A parallel-plate capacitor has a capacitance of c1 = 3.5 uF when filled with air and c2 = 23 uF when filled with a dielectric oil at potential difference of 12 V. What is the permittivity of this oil
At amusement parks, there is a popular ride where the floor of a rotating cylindrical room falls away, What is the source of the centripetal force acting on the riders
A wheel rotates with a constant angular acceleration of 3.10 rad/s2. Assume the angular speed of the wheel is 1.55 rad/s at ti = 0. a) Find the angle through which the wheel rotates between t = 2.00 s and t = 3.10 s. _____rad (b) Find the angular spe..
A gas is compressed at a constant pressure of 0.320 atm from a volume of 8.00 L to 5.00 L. In the process, 400 J of heat energy flows out of the gas. What is the work done by the gas
The Earth moves in a very nearly circular path around the Sun over the course of one year. Express the speed of the Earth in astronomical units per year and in km s-1.
A string is wrapped tightly around the circumference of a wheel with a mass of 1.23kg and a radius of .324m. What is the moment of inertia of the wheel
An airtight box has a removable lid of area 1.60 10-2 m2 and negligible weight. What is the magnitude of the force required to pull the lid off the box
a block is pushed across a rough horizontal surface by a horizontal force of magnitude P= 25 . The coefficient of kinetic friction between the block and the ground is 0.3 if the blck started from rest
(Rev 2/11)In a 60 Hz circuit (such as house wiring), the voltage varies from a maximum value to a minimum, and back again 60 times per second. How is the average voltage defined
A resistor with R = 9.08 ? resistance is connected to a real (i.e. non-ideal) battery, What is the electric current flowing in the circuit
If the pressure of the 3.0-cm3 volume is reduced to 2.6 × 10?11 Pa (an extremely good vacuum) while the temperature remains constant, how many moles of gas remain in the container
A small block of aluminum (of mass 0.08 kg and specific heat 900 J/kg·K) at 365 K is placed in a container of water (of mass 0.125 kg and specific heat 4186 J/kg·K) at 273 K. What is the final temperature of the two bodies
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