(25%) Problem 4: You place your ear onto a steel railroad track and hear the sound...
(10%) Problem 3: You can determine the index of refraction of a substance by determining its critical angle. For the following questions, let the index of refraction of air be 1.00 and water be 1.333 Δ 50% Part (a) What is the index of refraction of a substance that has a critical angle of 35.7" when submerged in water? Grade Summary Deductions Potential 0% 100% cance notext Submissions os0 cotan0 asin) acos0 atan)acotan) sinhO coshO tanhO cotanhO Degrees O Radians...
I cannot figure out this one. can someone help?
(10%) Problem 7: An MRI technician moves his hand from a region of very low magnetic field strength into an MRI scanner's 2.00 T field with his fingers pointing in the direction of the field. His wedding ring has a diameter of 2.35 cm and it takes 0.475 s to move it into the field. Randomized Variables d=2.35 cm t = 0.475 s 33% Part (a) What average current is induced...
(17%) Problem 4: An electronic toy is powered by three 1.58-V alkaline cells, each with an internal resistance of 0.01852, and a 1.53-V carbon-zinc dry cell, whose internal resistance is 0.125 0. All four cells are connected in series as part of a single-loop circuit. The resistance of the rest of the circuit is 7.8 2. A 33% Part (a) What current, I. in amperes, flows through the toy's circuit? > A 33% Part (b) How much power. P, in...
PLEASE ANSWER ALL PROBLEMS CORRECTLY.
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PROBLEM 1
PROBLEM 2
(10%) Problem 6: n= 4.2 moles of an ideal gas are pumped into a chamber of volume V=0.085 m. Randomized Variables n= 4.2 moles V=0.085 m A 50% Part (a) The initial pressure of the gas is 1 atm. What is the initial temperature in K) of the gas? T= 50% Part (b) The pressure of the gas is increased to 10 atm. Now what is...