Identrying the speed of the Cart
2 answers:
The speed of the cart after 3 seconds of Low fan speed is equal to 54 cm/s.
<h3>How to calculate the speed?</h3>Mathematically, speed can be calculated by using this formula;
Speed = distance/time
At Low fan speed after 3 seconds, the distance covered is 162 cm:
Speed = 162/3
Speed = 54 cm/s.
At Medium fan speed after 5 seconds, the distance covered is 600 cm:
Speed = 600/5
Speed = 120 cm/s.
At High fan speed after 2 seconds, the distance covered is 128 cm:
Speed = 128/2
Speed = 64 cm/s.
Read more on speed here: brainly.com/question/17350470
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El problema es un caso generalmente tipico en optica concerniente a Apparent depth vs real depth
We see the objects closer than their real depth to the surface. We see objects only if the rays coming from them reaches our eyes.
The equation is given by,
Where,
Apparenth depth
Real depth
Refractive index of the medium of object
For water is equal to 1.33
<em>I attach an image of the theory that could help clarify the measurements.</em>
We have,
<em>Therefore the apparent distance between the front wall of the aquarium to the fish is 7.5cm</em>
B) The distance between fish and mirror is given by,
So we have that real distance from the front wall of to image of fish is
Applying our equation we have that,
<em>Therefore the apparent distance from the front wall of the aquarium to the image of the fish is 45.1cm</em>
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