Angle between the net displacement vectors
A bird flies 2.8{\rm km} due west and then 2.7{\rm km} due north. Another bird flies 2.7{\rm km} due west and 2.8{\rm km} due north. what is the angle between the net displacement vectors for the two birds?
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An electron in an oscilloscope tube is traveling horizontally with a speed of 4.4×10^6m/s . It passes through a 1.9cm long region with an electric field pointing upward with a magnitude of 1400N/C. (a) What is the magnitude of the electron's
F(x) = 3x^2 - 2x^3 for 0 < x < 1 (with F(x) = 0 if x<=0 and F(x) = 1 if x>= 1) defines a distribution function. Find the corresponding density function.
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With manufacturing tolerance of +/- 10% (+/- 40 ohms) find the number of resistors from the sample that are satisfactory?
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You just received $225,000 from an insurance settlement. You have decided to set this money aside and invest it for your retirement. Currently, your goal is to retire 25 years from today.
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A moving particle encounters an external electric field that decreases its kinetic energy from 9480 eV to 8690 eV as the particle moves from position A to position B. The electric potential at A is -48.0 V, and that at B is +13.0 V. Determine the
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