When you see your image on the surface of the water in a pond, which phenomenon is at work?
2 answers:
Answer:
Specular reflection
Explanation:
It is produced in very flat reflective surfaces as with mirrors. In this case the reflection takes place in only one direction thanks to which it is possible to form images. This type of reflection obeys the law of reflection, so the angle of incidence of the rays is equal to the angle of reflection.
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Answer:
10 km/hr/s
Explanation:
The acceleration of an object is given by
where
v is the final velocity
u is the initial velocity
t is the time
For the car in this problem:
u = 0
t = 6 s
Substituting in the equation,
This question involves the concepts of th magnetic field and current.
The magnetic field created by the current at the house is "6.75 x 10⁻⁷ T".
<h3>Magnetic Field</h3>The magnetic field created by a current carrying wire can be given by the following formula:
where,
- B = magnetic field = ?
= permeabiliy of free space =4π x 10⁻⁷
- I = current = 152 A
- r = distance = 45 m
B = 6.75 x 10⁻⁷ T
Learn more about magnetic field here:
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