Electric field strength decreases as the distance from the source increases.
<h3>
How the distance from the charge affects the magnitude of the electric field?</h3>
The strength of an electric field is inversely related to square of the distance from the source. This means that the electric field strength decreases when the distance from the source increases.
So we can conclude that Electric field strength decreases as the distance from the source increases.
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There are several information's already given in the question. Based on those given information's the answer can be easily deduced.
First angle of depression = 18°33'
= [18 + (33/60)] degree
= 18.55 degrees
Second angle of depression = 51°33'
= [51 + (33/60)] degrees
= 51.55 degrees
Height of the lighthouse = 200 feet
Then
Distance traveled by the boat from when it
was first noticed until it stopped = (200/tan 18.55) - (200/tan 51.55)
= (200/0.3356) - (200/1.2594)
= 594.95 - 158.81
= 436.14 feet
I hope the procedure is clear enough for you to understand.
Answer:
Gravity, normal force, friction, and air resistance.
Explanation:
Assuming the ball is on earth, there is always gravity acted upon the object.
Since the problem said that the golf ball is moving throughout the air, we can tell that there will be air resistance and friction(air resistance is a type of friction). There is also normal force pushing on the ball as it bumps into the air, as the air is pushing back with an equal and opposite force.
I don't know what you mean by "applied", so I don't think there's that type of force exerted on the ball.
Lastly, tension only occurs when you pull a string/rope. There is no string/rope in this case, so there is no tension exerted on the ball.
I hope this helped you.
(a) The efficiency of an engine is defined as the ratio between the work done by the engine and the heat it takes in:
The engine in this problem does a work of
and it takes in
of heat, therefore its efficiency is
(b) The heat taken by the machine is 4000 J; of this amount of heat, only 1100 J are converted into useful work. This means that the rest of the heat is wasted. Therefore, the wasted heat is the difference between the heat in input and the work done by the engine:
Answer:
Get out if the car
Explanation:
Get out of the car because the car could explode by over eclectic power
