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Tanya [424]
4 years ago
8

What did Alfred wegener notice about the outlines of the continents

Physics
1 answer:
AnnZ [28]4 years ago
5 0
He noticed that the outlines of the continents looked like they could fit together similar to puzzle pieces
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IS it necessary to place a lens after SLM?​
Tamiku [17]

Answer:

a lens shouldn´t be necessary at all. What you are sending to the SLM should be a phase plate encoding Bessel beam you want.

hope it helpful for you

<h3>XxinstaprincixX</h3>

Explanation:

kese h o

7 0
3 years ago
Read 2 more answers
The rate of change of velocity or speed is known as acceleration. If a car increases it speed form 10 to 20m/s in 2 seconds, the
lisov135 [29]

Answer:

A) 5 m/s/s

Explanation:

<u>Given the following data;</u>

Initial velocity = 10m/s²

Final velocity = 20m/s²

Time, t = 2 seconds.

In physics, acceleration can be defined as the rate of change of the velocity of an object with respect to time.

This simply means that, acceleration is given by the subtraction of initial velocity from the final velocity all over time.

Hence, if we subtract the initial velocity from the final velocity and divide that by the time, we can calculate an object’s acceleration.

Mathematically, acceleration is given by the equation;

Acceleration, a = \frac{final \; velocity  -  initial \; velocity}{time}

Substituting into the equation, we have;

Acceleration, a = \frac{20 - 10}{2}

Acceleration, a = \frac{10}{2}

<em>Acceleration, a = 5m/s²</em>

7 0
3 years ago
Three resistors, 6.0-W, 9.0-W, 15-W, are connected in parallel in a circuit. What is the equivalent resistance of this combinati
ycow [4]

Answer:

2.9Ω

Explanation:

Resistors are said to be in parallel when they are arranged side by side such that their corresponding ends are joined together at two common junctions. The combined resistance in such arrangement of resistors is given by;

1/Req= 1/R1 + 1/R2 + 1/R3 .........+ 1/Rn

Where;

Req refers to the equivalent resistance and R1, R2, R3 .......Rn refers to resistance of individual resistors connected in parallel.

Note that;

R1= 6.0Ω

R2 = 9.0Ω

R3= 15.0 Ω

Therefore;

1/Req = 1/6 + 1/9 + 1/15

1/Req= 0.167 + 0.11 + 0.067

1/Req= 0.344

Req= (0.344)^-1

Req= 2.9Ω

3 0
3 years ago
Which is produced by shaking the crumbs off a picnic blanket?
klasskru [66]

A. Transverse wave.                          This is because it’s not either of the other two

7 0
3 years ago
Read 2 more answers
The Newton is the SI unit for ____.<br> temperature<br> mass<br> weight<br> density
mel-nik [20]

Answer:

weight

Explanation:

weight is measurd in newtons (N)

7 0
3 years ago
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