Answers created by Paul N.
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Question #35864
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Question #702b1
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Question #13c1f
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Question #8ba8b
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Question #23d47
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Question #8c72e
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What is quantum physics?
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Question #ac43a
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Question #95491
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What arrangement of paths would make a circuit not light? For example, where can you NOT place wires in order to keep the circuit working.
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Question #c834a
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Why is a diffraction grating better than a prism?
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Question #7797e
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Question #7b905
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Question #f902b
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Question #7f383
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What are rates and unit rates?
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Question #e8d49
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Question #db0b2
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Question #5bcdb
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Question #202cf
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What are some examples of alternating currents?
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Question #f6fc2
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What is the newton's law of universal gravitation?
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For the given point #A(-4, frac{pi}{4})#, how do you list three different pairs of polar coordinates that represent this point such that #-2pi \le \theta \le 2pi#?
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How do you make a table?
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What are the largest of electric motors used for?
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Question #f7066
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What was the original length of the candle if a candle is burning at a linear rate and the candle measures five inches two minutes after it was lit and it measures three inches eight minutes after it was lit?
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Question #8aca8
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Question #c8aad
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Question #c8225
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Question #f4537
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What is the wavelength at which the human body emits the most radiation?
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Question #359e9
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Question #84585
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Question #75d77
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How does physics relate to physical therapy?
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Question #f48ec
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Question #6bde4
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Can cyclotrons be used for medical purposes?
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Question #8f7d2
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Question #f3b1f
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How does the charge of the nucleus differ from the charge of an atom?
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An object swings from the end of a cord as a simple pendulum with period T. An identical object oscillates up and down on the end of a vertical spring with the same period T. If the masses of both objects are doubled, how will the new values of the periods compare to T?
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Question #4647c
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How do you write the function rule for an auto place that charges $20 flat rate plus $27 per hour?
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Question #6eebb
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Question #33405
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What is the parallel equivalent of a 1000 W resistor and a 1500 W resistor in parallel?
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Question #f4ee7
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Question #d6576
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What's the result when you raise a number to the zero power?
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Why does Earth lose heat mainly by radiation?
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How can two magnets demonstrate magnetic force?
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What is the period of the Great Clock's, Big Ben, pendulum?
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Question #61797
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Question #04b77
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How do the frequency and period relate to each other?
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What is the moment of inertia of a ball of a mass of 5 Kg and radius of 3 cm?
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Question #2e212
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How many nucleons are there in hydrogen-3?
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How many nucleons does boron-11 contain?
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Why would the pressure in a container of gas rise 2.56 kPa if temperature remains the same?
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How do I find the number if nucleons in an isotope of calcium?
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Question #de1b8
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How are nuclear reactions balanced?
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Why is it that alternating current cannot be stored?
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What is the constant of proportionality?
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Are components or combinations of components with common currents, in a series–parallel circuit, in parallel with each other?
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How does Rutherford atomic model differ from Thomson's?
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What is the usual waveform of an AC power circuit?
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Why should professional photographers own a polarizing filter?
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If you have steel and wood at 0 °C, which feels colder? If you have steel and wood at 100 °C, which feels hotter?
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I stand 68 cm from my dresser mirror, inspecting my scalp. How far is the image of my scalp located from my scalp?
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You are standing 8 feet from a flat mirror. In the mirror, you hold a ruler that is exactly 12-inches long. How long will the image of the ruler be in the mirror?
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Question #841cf
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How can I construct an electromagnetic brake, whereby the energization of an electromagnet coil would produce mechanical "drag" on a rotating shaft without the need for contact between the shaft and a brake pad?
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You are given two wind instruments of identical length. one is open at both ends, whereas the other is closed at one end. which is able to produce the lowest frequency?
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If you had beeswax attached to one end of a metal skewer and you placed the other end of the skewer in a flame, what would happen after a few minutes?
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How is acceleration of falling objects affected by gravity?
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Can lasers damage your eyes?
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How does force differ from impulse?
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What is the underlying reason why harmonics sound good?
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Can improved engineering and materials be employed in heat engines to reduce heat transfer into the environment? can they eliminate heat transfer into the environment entirely?
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Question #cc214
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Why is acceleration negative in a free fall?
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Why is acceleration affected by mass?
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A 31.9 kg boy and a 55.6 kg girl are on the surface of a frozen lake, 10.0 m apart. Using a rope, the boy exerts a horizontal 5.05 N force on the girl, pulling her toward him. Calculate the magnitude of the boy's acceleration.
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What medium does sound travel through best?
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What is capacitance?