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Svetach [21]
2 years ago
6

What is the name of type of relationship that exists between wavelength and frequency ?

Physics
1 answer:
arsen [322]2 years ago
8 0
Electromagnetic is the relationship exists between wavelength and frequency.
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How long must a tow truck apply a force of 600 N to increase the speed of a 1,500 kg car at rest to 2 m/s?
slega [8]

The time the truck must apply the given force to increase its speed to given value is 5 s.

The given parameters;

  • <em>applied force, F = 600 N</em>
  • <em>mass of the truck, m = 1,500 kg</em>
  • <em>speed of the truck, v = 2 m/s</em>

The force applied to the truck is determined by Newton's second law of motion; <em>which states that the force applied to an object is directly proportional to the product of mass and acceleration of the object.</em>

F = ma

F = \frac{mv}{t} \\\\t = \frac{mv}{F} \\\\t = \frac{1500 \times 2}{600} \\\\t = 5 \ s

Thus, the time the truck must apply the given force to increase its speed to given value is 5 s.

Learn more here:brainly.com/question/1988795

7 0
2 years ago
Choose a substance you're familiar with. what are its physical and chemical properties? How would you measure its density? What
Gekata [30.6K]
<span>you can look at magnesium, it can react with oxygen to form oxides. (chemical) it is malleable and a solid at room temperature. (physical)

</span><span>to measure its density, the mass and volume can be worked out and from this density too. look up the equation, it is quite easy :) 
</span><span>physical changes -- it can be melted, and oxidized 

</span><span>the chemical changes of oxidation magnesium looses electrons to form oxides, this is a chemical reaction- chemical change..--- use to get the density use (rho) or density D = M/V</span>
6 0
2 years ago
How does the Doppler effect cause a siren's pitch to increase as it
Likurg_2 [28]

Answer:

Sound waves are pushed closer together, decreasing wavelength

and increasing frequency.

5 0
3 years ago
A scientific theory is an explanation that
Ber [7]

Answer:

A theory is a well thought-out clear explanation for observations of the natural environment

Explanation:

<u>A theory is a well thought-out clear explanation for observations of the natural environment</u> that has been created using the scientific process and that brings together many facts and hypotheses. Theories try to explain observations of the natural world that have been made.

I hope this helps explain the answer to your question and why the answer is that answer.

6 0
2 years ago
Do balanced forces change an objects motion
meriva

If the group of all forces acting on an object is balanced,
then the effect of all of them is the same as if there were
no forces at all on the object.  In that case, the object
continues moving in a straight line at a constant speed.

8 0
3 years ago
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