Physics, 01.07.2019 19:30 djcloverman3593
What does frequency describe? a: distance from crest to crest or from trough to trough on a wave b: depth of a wave c: how often the particles of a medium vibrate d: height of a wave
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Physics, 21.06.2019 21:00
When a neutral charge, comes into contact with a positive charge they repel each other nothing happens the neutral charge becomes negative they attract each other
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Multiply or divide to make this english distance conversion. 174 inches = feet (14.5, 58, 2,088, 23)
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Physics, 22.06.2019 15:00
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
What does frequency describe? a: distance from crest to crest or from trough to trough on a wave b...
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