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2 years ago

8

One light beam has wavelength, λ1, and frequency, f1. Another light beam has wavelength, λ2, and

1 answer:

Minchanka [31]2 years ago

5 0

$\frac{\lambda{1}}{\lambda{2}}=\frac{f2}{f1}$

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What does it mean to have a good experimental design?

alekssr [168]

Answer: Experimental design means creating a set of procedures to test a hypothesis. A good experimental design requires a strong understanding of the system you are studying. By first considering the variables and how they are related (Step 1), you can make predictions that are specific and testable (Step 2).

Explanation:

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3 years ago

A Formula One race car with mass 770.0 kg is speeding through a course in Monaco and enters a circular turn at 235.0 km/h in the

Marat540 [252]

Answer:

Explanation:

Given

mass of first car $m_1=770 kg$

speed $=235 km/h\approx 65.27 m/s$

radius of first turn=125 m

And Angular momentum is given by =mvr

Angular momentum of first car

$L_1=770\times 65.27\times 125=6282,237.5 N-m/s$

$v_2=190\approx 52.77 m/s$

$r_2=100m$

similarly $L_2=770\times 52.77\times 100=4063290 N-m/s$

$\frac{L_1}{L_2}=\frac{r_1v_1}{r_2v_2}=\frac{125\times 65.27}{100\times 52.77}=1.546$

Thus angular momentum of first car is 1.54 times of second one

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3 years ago

At which location could you place the north pole of a bar magnet so that it would be pushed away from the magnet shown?

Gala2k [10]

It’s a because b makes more since shown as the magnet

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3 years ago

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A student pushes a book with a force of 5 N to the east.which statement

natulia [17]

Answer:

5N westward, acting on the student

Explanation:

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3 years ago

1. Each of four boys were given

GalinKa [24]

Answer:

the answer is A because

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