Physics, 14.09.2019 08:30 rahmao2773
Three negative point charges q1 =-5 nc, q2 = -2 nc and q3 = -5 nc lie along a vertical line. the charge q2 lies exactly between charge q1 and q3 which are 16 cm apart. find the magnitude and direction of the electric field this combination of charges produces at a point p at a distance of 6 cm from the q2
Answers: 1
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The 10-kg double wheel with radius of gyration of 125mm about o is connected to the spring of stiffness k = 600 n/m by a cord which is wrapped securely around the inner hub. if the wheel is released from rest on the incline with the spring stretched 225 mm, calculate the maximum velocity v of its center o during the ensuing motion. the wheel rolls without slipping
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The space between two 15-in.-long concentric cylinders is filled with glycerin (viscosity = 8.5 × 10-3 lb·s/ft2). the inner cylinder has a radius of 1 in. and the gap width between cylinders is 0.1 in. determine (a) the torque and (b) the power required to rotate the inner cylinder at 180 rev/min. the outer cylinder is fixed. assume the velocity distribution in the gap to be linear.
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Abatter hits a 0.140-kg baseball that was approaching him at 30 m/s and, as a result, the ball leaves the bat at 40 m/s in the reverse of its original direction. the ball remains in contact with the bat for 2.0 ms. what is the magnitude of the average force exerted by the bat on the ball?
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Three negative point charges q1 =-5 nc, q2 = -2 nc and q3 = -5 nc lie along a vertical line. the cha...
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