He waits until night and goes through the door with the magnifying glass. The sun is not out so it can not instantly fry him.
Answer:
Explanation:
The charge on one object,
The distance between the charges, r = 0.22 m
The force between the charges, F = 4,550 N
Let q₂ is the charge on the other sphere. The electrostatic force between two charges is given by the formula as follows :
So, the charge on the other sphere is .
An earthquake's epicenter is the place on earth's surface directly above the focus.
reason : the epicenter lie above the focus where the disturbance starts.
when an earthquake occurs, energy radiates in all directions from its source, which is called the focus
reason : because the disturbance starts from the focus below the epicenter.
earthquakes are usually associated with faults
reason : earthquake arise from the disturbance or faults of the plates of the earth inside.
To answer this question, remember the formula ∆X = Vot + 1/2 at^2
To solve, all you have to do is plug in the numbers.
∆X = height of the ledge (the unknown)
t = time (8 seconds)
a = acceleration (9.8 m/s^2)
Vo = initial velocity
∆X = 0(8) + 1/2(9.8m/s^2)(8s)^2
∆X = 0 + 313.6 m
∆X = 313.6 meters
Your answer would be B, 313.6 meters