Answer:
laser wavelength = 549.5 nm
Explanation:
Given data
separation d = 0.170 mm = 0.170 ×
m
interference pattern distance D = 4.95 m
two adjacent bright interference width w = 1.60 cm = 1.60 ×
m
to find out
laser's wavelength
solution
we know that fringe width formula that is
width = wavelength × distance / separation
we put all these value here to find wavelength
wavelength = 1.60 ×
× 0.170 ×
/ 4.95
wavelength = 549.5 nm
so laser wavelength = 549.5 nm
Answer:
P=6.25N and Q=16.25N
Explanation:
In order to solve this problem we must first draw a free body diagram for both situation, (see attached picture).
Now, we need to analyze the two free body diagrams. So let's analyze the first diagram. Since the body is accelerated, then the sum of forces is equal to mass times acceleration, so we get:

We can assume there will be only the two mentioned forces P and Q, so
the sum of forces will be:
P+Q=ma

P+Q=22.5N
We can do the same analysis for the second free body diagram:


Q-P=10.5N
so now we have a system of equations we can solve by elimination:
Q+P=22.5N
Q-P=10.5N
Now, we can add the two equations together so the P force is eliminated, so we get:
2Q=32.5N
now we can solve for Q:

so
Q=16.25N
Now we can use any of the equations to find P.
Q+P=22.5N
P=22.5N-Q
when substituting for Q we get:
P=22.5N-16.25N
so
P=6.25N
More massive attacking objects speed slows down and it transfer its some kinetic energy to less massive target objects whereas less massive target objects starts its motion
Newton´s thrid law of motion states that:
Every action has an equal and opposite reaction.
c. equal, opposite.
Answer:
Kafka uses words to describe Gregor as a monster: gregor has many little legs, has a sort of shell that covers his body and so on.
Besides, the reactions of his family when they see him as the insect are of pure horror and disgust. This is why even one family member says that in that form, Gregor should simply be put down.