Particle a carrying a 3.0-μc charge is located at y = 3.0 m on the y axis of an xy coordinate system, and particle b carrying a 6.0-μc charge is located at the origin. a) what is the magnitude and direction of the electric force exerted on a?
express your answer with the appropriate units. enter positive value if the force is in +y direction and negative value if the force is in −y direction.
b) what is the magnitude and direction of the electric force exerted on b?
express your answer with the appropriate units. enter positive value if the force is in +y direction and negative value if the force is in −y direction.
Answers: 1
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Energy flows from the producer level to the level. is called
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Astudent throws a water balloon with speed v0 from a height h = 1.76 m at an angle θ = 21° above the horizontal toward a target on the ground. the target is located a horizontal distance d = 9.5 m from the student’s feet. assume that the balloon moves without air resistance. use a cartesian coordinate system with the origin at the balloon's initial position. (a) what is the position vector, rtarge t, that originates from the balloon's original position and terminates at the target? put this in terms of h and d, and represent it as a vector using i and j. (b) in terms of the variables in the problem, determine the time, t, after the launch it takes the balloon to reach the target. your answer should not include h. (c) create an expression for the balloon's vertical position as a function of time, y(t), in terms of t, vo, g, and θ. (d) determine the magnitude of the balloon's initial velocity, v0, in meters per second, by eliminating t from the previous two expressions.
Answers: 3
Particle a carrying a 3.0-μc charge is located at y = 3.0 m on the y axis of an xy coordinate system...
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