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A flat sheet of ice (n = 1.309) has a thickness of 2.4cm. It is on top of a flat sheet of crystalline quartz (n= 1.544) that has a thickness of 1.4 cm. Light strikes the ice perpendicularly and travels during it and then through the quartz. In the time it takes the light to travel during the two sheets, how far (in cm) would it have traveled in a vacuum?
A 64 Ω resistor is connected in parallel with a 115 Ω resistor. This parallel group is connected in series with a 20 Ω resistor. The total combination is connected across a 15V battery.(a) Find the current in the 115 Ω resistor.(b) Find the power ..
A simple pendulum is 9.00 m long. What is its period if the elevator is accelerating downward at9.00 m/s2
An ice cube is floating at the top of a glass of water. After it melts completely, will the water level rise, fall, or stay the same? Explain your answer.
Three 1.50-V cells, each with an internal resistance of 0.0500?, are connected in series to form a battery with a current of 0.850A in each cell. Find the current in the external circuit
Physics 1401 problems about rotational motion and angular displacement and angular velocity and angular acceleration about height problems.
A hypothetical diatomic molecule is composed of two identical atoms of mass 12 u. what is the rotational inertia
A tank holds a layer of oil, of thickness To = 1.43 m, that floats on a layer of syrup of thickness Ts = 0.640 m, What is the index of refraction of the oil
A conducting wire formed in the shape of a right triangle with base b = 38 cm and height h = 63 cm, What is the angular frequency of rotation
question1the unique temperature of the water in the large bowl was 25degc. the temperature of a molecule that changes
A "door closer" is attached to the door and the top of the door frame.When the door is open and at rest, the door closer exerts a torque of 4.8 {rm N} cdot {rm m}. What is the least force that you need to apply to the door to hold it open.
a sound wave traveling in 26 degrees C air has a pressure amplitude of 0.500 Pa. (assume that the density of air is 1.29 kg/m^3). What is the intensity of the wave
A hydraulic lift has pistons with areas 0.60m^2 and 5.30m^2 , and they're at the same height. how much mass can the larger piston support
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