Describe how to make a position-time graph.
1 answer:
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Light waves are reflected from front and back surfaces of the thin films and constructive interference between the two reflected waves occurs in different places for different wavelengths. Light shining on the upper surface of the thin film with thickness t is partly reflected at the upper surface (path abc). Light transmitted from the upper surface is partly reflected at the lower surface (path abdef). The two reflected waves come together at point P on the retina of the eye. Depending on the phase relationship, they may interfere constructively or destructively. Different colors have different wavelengths, so the interference may be constructive for some colors and destructive for others.
Answer:
Impulse is
The average force is
Explanation:
When a mass undergoes a change in velocity
, its impulse
is
and if a force is acting for time
, then the impulse
is given by
Now the mass of the spores in kg is
we calculate the impulse from the first formula:
Now that we have impulse, we calculate the average force on the spore from the second formula: