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a bridge is 500m long. A 100m long train crosses it at a speed of 30m/s. Find the time taken by the...
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bagomez
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An alpha particle, which is a helium nucleus, has a mass of 6.64 x 10-27 kg. It is traveling horizon...
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bagomez
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Michael wanted to measure the temperature of an object. Which SI unit should he use?
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bagomez
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A circle in the xy-plane has diameter 9.8 cm. A magnetic field of strength 3.4 T is oriented at an a...
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bagomez
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Why is it so good for scientists to be skeptical
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bagomez
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What are the 2 ways to describe matter
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bagomez
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What SI unit replaces the pound. what does this measure
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bagomez
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Why is it sensible on diagrams to represent a force by an arrow?
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scbrook...
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A coil of wire with 100. circular turns of radius 8.00 cm is in a uniform magnetic field along the a...
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scbrook...
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The universal law of gravity states that all objects attract all other objects. Why is this consider...
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scbrook...
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Why is Portland,Oregon a good city for biking
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scbrook...
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Electricity problem from Jan. 1959 issue of QST; Using Ohm's law find.
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scbrook...
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What is a basic requirement that a scientific hypothesis must have?
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scbrook...
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What is the velocity of a bus that travels 305 km in 5 hours
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scbrook...
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Which identifies a machine that converts mechanical energy into electrical energy?
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scbrook...
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Is cold fusion science or pseudoscience
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scbrook...
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Is initial velocity can be negative?
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scbrook...
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What was Sammy’s average velocity between 30 and 40 seconds?
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scbrook...
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A giant star has a luminosity of 300 its color is most likely to be
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scbrook...
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What is a mealworm a worm,an insect or an amphibian
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scbrook...
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What is a linguist? in terms of forensic.
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