Physics, 26.09.2021 14:30 beautifulnation3799
How would you use the index of refraction of salt water to find the concentration of a salt solution?
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Physics, 22.06.2019 00:00
Name three different units of energy used to measure heat and describe what type of situations each is usually used.
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Physics, 22.06.2019 04:00
Assume similar data for the motion of the blood in your aorta. estimate how many beats of the heart it will take the blood to get from your heart to your brain. (assume that the distance from your heart to your brain is 30 cm)
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Physics, 22.06.2019 19:50
The heater element of a 120 v toaster is a 5.4 m length of nichrome wire, whose diameter is 0.48 mm. the resistivity of nichrome at the operating temperature of the toaster is 1.3 Γ 10-6 ΟΒ·m. the toaster is operated at a voltage of 120 v. (a) what is the power drawn by the toaster? (b) if the cost of electricity is 12 Β’ per kilowatt-hour, and it takes 2 minutes to toast bread, how much does it cost for toasted bread? (c) when the heater element is at room temperature, is the resistivity in the nichrome wire greater than, less than, or equal to itβs resistivity when at operating temperature? explain.
Answers: 3
Physics, 23.06.2019 01:30
Each line (unit) on the horizontal axis represents: 5 years 10 years 20 years all of the above
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How would you use the index of refraction of salt water to find the concentration of a salt solution...
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