The velocity of the ball at its maximum height is zero (0).
The given parameters;
- <em>initial vertical velocity of the ball, </em>
<em> = 18.5 m/s</em> - <em>height of the cliff, h = 25</em>
<em />
In a projectile motion, as the object ascends upwards, its vertical velocity decreases and eventually becomes zero as the object reaches maximum height.
This <em>velocity</em> starts to increase again as the object descends downwards and finally becomes maximum before the object hits the ground.
Thus, we can conclude that the velocity of the ball at its maximum height is zero (0).
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A natural satellite. Or just a satellite.
Faraday's law of induction states the following:
The strength of the induced electromotive force is equal to the negative of the time rate of change of the magnetic flux enclosed by the circuit.
Knowing all this, we can conclude that the answer is C.
Flux can be understood as the number of field lines interesting with the area of the loop. You can simply think that stronger field has more field lines. This is just a useful simplification.
When you simply move the loop along the lines of magnetic field there is no change in flux. If you are rotating or moving the loop in and out of the field you are changing the are of the loop that intersects with the field and thus you are changing the flux. The same thing happens when you have a changing field, the only difference being that field is doing all the work for you.
Answer:
Image formed by a <u>convex mirror</u> is always <u>virtual and erect</u>. When an object is placed at infinity, virtual image is formed at focus and the size of the image is <u>smaller</u>.
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