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A charged particle A exerts a force of 1.87N to the right on charged particle B when the particles are 18.49 mm apart. Particle B moves straight away from A to make the distance between them 21.38mm. What force (magnitude) does particle B then exert on A?
the edge of a cube was found to be 30 cm with a possible error in measurement of 0.1 cm. use differentials to estimate
explain in what ways mechanical work is and is not related to caloric expenditure.include in your answer the
A pulley 18 in diameter is free to rotate about the horizontal axle. A 220 mass and a 420 mass are tied to either end of a massless string, and string is hung over the pulley.
A 1.0 kg ball drops vertically onto a floor, hitting with a speed of 28 m/s. It rebounds with an initial speed of 12 m/s. What impulse acts on the ball during the contact
A 50.0 g silver spoon at 20.0 C is placed in a cup of coffee at 90.0 C. How much heat does the spoon absorb from the coffee reach a temperature of 89 C.
At a certain location, the horizontal component of the earth's magnetic field is 4.90 10-5 T, due north. A proton moves eastward with just the right speed, so magnetic force on it balances its weight. Find the speed of the proton.
A Garden hose with a cross sectional area of 3.2x10^-4 m^2 is used to fill up a bucket with a volume of 6.5x10^-2 m^3 in 25 seconds
question1an arrow is fired with a speed of 18.0 ms at a block of styrofoam resting on a smooth surface. the arrow
How much force is the air exerting on the front cover of your textbook? (Assume that the width and the length of the book are20.3 cm and 28.0 cm, What mass has a weight equivalent to this force
A wire 1 meter long and has a mass of.3kg. it is streached was a tension of 3.4N. What is the speed of any wave sent down the wire
A hockey puck is given an initial speed of 5.0m/s. The coefficient of Kinetic friction between the puck and the ice is 0.05. Use the law of Conservation of Energy to find how far the puck slides before coming to a stop
A 4.1 g coin sliding to the right at 26.2 cm/s makes an elastic head-on collision with a 12.3 g coin that is initially at rest. Find the final velocity of the other coin
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