Physics, 29.08.2019 16:30 MayFlowers
Two long, straight, parallel wires are 10.0 cm apart and carry 4.80 a currents in the same direction. part a: find the direction of the magnetic field at point p1, midway between the wires
part b: find the magnitude of the magnetic field at point p1, midway between the wires.
part c: find the direction of the magnetic field at point p2, 28.0 cm to the right of p1.
part d: find the magnitude of the magnetic field at point p2, 28.0 cm to the right of p1.
Answers: 1
Physics, 21.06.2019 15:30
What is the maximum acceleration of the wing tips, in units of g?
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Physics, 21.06.2019 16:10
If two metal balls each have a charge of -10^-6 c and the repulsive force between them is 1 n, how far apart are they? (coulomb's constant is k = 9.0x 10^9 n-m^2/c^2? 9.5 m 9.0 mm 9.5 cm 0.9 m .
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Physics, 22.06.2019 05:50
Acylinder with a movable piston contains 11.7 moles of a monatomic ideal gas at a pressure of 1.32×10^5 pa. the gas is initially at a temperature of 300 k. an electric heater adds 43200 j of energy into the gas while the piston moves in such a way that the pressure remains constant. cp=20.79 j k^−1 mol^−1 for a monatomic ideal gas, and that the number of gas molecules is equal to avogadro's number (6.022×10^23) times the number of moles of the gas. (a) what is the temperature of the gas after the energy is added? (b) what is the change in volume of the gas? (c) how much work is done by the gas during this process?
Answers: 3
Physics, 22.06.2019 07:50
The ratio of lift to drag l/d for a wing or airfoil is an important aerodynamic parameter, indeed, it is a direct measure of the aerodynamic efficiency of the wing. if a wing is pitched through a range of angle of attack, l/d first increases, then goes through a maximum, and then decreases. consider an infinite wing with an naca 2412 airfoil. estimate the maximum value of l/d. assume that the reynolds number is 9x10^6.
Answers: 2
Two long, straight, parallel wires are 10.0 cm apart and carry 4.80 a currents in the same direction...
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