Two parallel wires each carrying a current in opposite directions will ________ one another.
Fill in the blank(s) with the appropriate word(s).
repel
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Consider the equipotential diagram shown below and to the left: In what direction does the electric field at point P point?
A. A B. B C. C D. D
A 5.0-kg mass with an initial velocity of 4.0 m/s, east collides with a 4.0-kg mass with an initial velocity of 3.0 m/s, west. After the collision the 5.0-kg mass has a velocity of 1.2 m/s, south. What is the magnitude of the velocity of the 4.0-kg mass after the collision?
A. 2.0 m/s B. 1.5 m/s C. 1.0 m/s D. 2.5 m/s E. 3.0 m/s
An air-track cart is attached to a spring and completes one oscillation every 5.67 s in simple harmonic motion
At time t = 0.00 s the cart is released at the position x = +0.250 m. What is the position of the cart when t = 29.6 s? A) x = 0.0461 m B) x = 0.210 m C) x = 0.218 m D) x = 0.342 m E) x = -0.218 m
An irregular galaxy contains mostly
a. lower-main sequence stars and giants. b. upper main sequence stars and giants. c. upper main sequence stars and gas and dust. d. upper and lower main sequence stars and gas and dust. e. white dwarfs and supergiants.