An unknown mass is on a flat frictionless surface and a 2 kg object is attached to it with a string going over pulleyt mounted t
1 answer:
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Answer:
the magnitude of the charge Q on each plate is
Explanation:
Given that :
mass (m) =
charge (q) = +0.155 µC =
angle
Area A on each plate = 0.0135 m²
From the diagram below;
----- equation (1)
Also by using Gauss Law ;
----- equation (2)
Combination equation 1 and 2 together ; we have
Answer:
The average velocity is 0.15 m/s
Explanation:
Use the definition of average velocity as the distance traveled divided the time it took.
Since the movement was on the plane from the origin (0, 0) to the point (-30, 20) corresponding to 30 m west and 20 m north, we calculate the distance using the distance between two points on the plane:
Then the magnitude of the average velocity can be estimated via the quotient between distance divided time, but since the units required are meters per second, we first convert the four minute time into seconds: 4 * 60 = 240 seconds.
Then the average velocity becomes: