How can this system be brought to equilibrium?
a) add a 5 n force acting in the same dir...
Physics, 29.01.2020 17:51 lucaszsanches
How can this system be brought to equilibrium?
a) add a 5 n force acting in the same direction as the 10 n force.
b) add a 10 n force acting in the same direction as the 10 n force.
c) add a 10 n force acting in the same direction as the 20 n force.
d) add a 20 n force acting in the same direction as the 20 n force.
a car's position in relation to time is plotted on the graph. what is the car's average velocity?
a) 5 m/s
b) 10 m/s
c) 30 m/s
d) 50 m/s
Answers: 3
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What is the electric force acting between two charges of -0.0045 c and -0.0025 c that are 0.0060 m apart? use fe=kq1q2/r^2 and k = 9.00 x 10^9 n*m^2/c^2 a. 1.7 x 10^7 n b. -1.7 x 10^7 n c. -2.8 x 10^9 n d. 2.8 x 10^9 n
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Consider a uniformly charged ring in the xy plane, centered at the origin. the ring has radius a and positive charge qdistributed evenly along its circumference. a)what is the direction of the electric field at any point on the z axis? . b)what is the magnitude of the electric field along the positive z axis? use k in your answer, where k=14πϵ0. d)the ball will oscillate along the z axis between z=d and z=−d in simple harmonic motion. what will be the angular frequency ω of these oscillations? use the approximation d≪a to simplify your calculation; that is, assume that d2+a2≈a2. express your answer in terms of given charges, dimensions, and constants
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