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PHY 111 - A student compares the fundamental resonating
A student compares the fundamental resonating frequencies of two equal length pipes. Pipe A is open on both ends. Pipe B is open on one end and closed on the other. How does the frequency of pipe A me …
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PHY 111 - What is the buoyant force on a sphere
What is the buoyant force on a sphere that has half its volume submerged in water (density = 1000 kg/m3) if the radius of the sphere is 0.1 m? (Vsphere = 4/3?r3, SAsphere = 4?r2) …
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PHYS 1201W - A sign (m = 10 kg) has one end affixed
A sign (m = 10 kg) has one end affixed to the exterior wall by a freely rotating hinge. The other end of the sign is supported by a steel cable that makes a 60o angle with the top of the sign.(a) What …
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PHYS ICS 1A - The apparatus consists of a round level table
The apparatus consists of a round level table in the center of which is a massless ring. There are three strings tied to different spots on the ring. Each string passes parallel over the table and is …
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PY 212 - A copper wire has a resistance of 0.570
A copper wire has a resistance of 0.570 ? at 20.0°C, and an iron wire has a resistance of0.607 ? at the same temperature. At what temperature are their resistances equal? The temperature coefficien …
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PHYSICS 212 - A bare helium nucleus has two positive charges and a mass
A bare helium nucleus has two positive charges and a mass of 6.64 10-27 kg.(a) Calculate its kinetic energy in joules at 8.40% of the speed of light.What is the basic definition of kinetic energy? J(b …
Physics / General Physics 2018-07-09 Answer Now 1 Purchase Now Yes $4.00 View
PHYS 2326 - a camera has an image sensor of 8.5mm
a camera has an image sensor of 8.5mm, if the size of a pixel occupies 1 um^2 how many pixels does a picture taken with the 8.5 mm x 8.5 mm sensor have? …
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PHY 317K - How do I calculate the relative velocity of 2 balls
How do I calculate the relative velocity of 2 balls with unequal mass heading opposite directions after an elastic collision when only the initial velocity and mass are given for each ball? …
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PHYS 222 - A bullet of mass m and velocity v hits a block of mass M
A bullet of mass m and velocity v hits a block of mass M and gets stuck in it. The block is initially at rest on a frictionless table. The spring constant of the spring is k, see figure. 1. What …
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PHY 105 - what factor must your blood pressure increase to compensate
By what factor must your blood pressure increase to compensate for a 5 % narrowing in your blood vessels? (The pressure difference across your blood vessels is essentially equal to your blood pressure …
Physics / General Physics 2018-07-09 Answer Now 1 Purchase Now Yes $3.00 View
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