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Two objects attract each other gravitationally with a force of 2.5×10−10 N when they are 0.20 m apart. Their total mass is 4.50 kg? Fire from a bunsen burner burns copper wire. There should be two products(question says so). Name the 2 possible products. equation also? A certain rifle bullet has a mass of 7.41 g. Calculate the de Broglie wavelength of the bullet traveling at 1889 miles per hour.? What is the difference between nonfarm & off farm activities? Derivative of 5(x^2+9)^4(2x)
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