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user100 [1]
3 years ago
5

Can u help me pls....

Physics
1 answer:
Schach [20]3 years ago
6 0

Answer:

a) m = 7000 - 500 = 6500 g

b) ρ = 6500 g / 5000 cm³ = 1.3 g/cm³

c) Brush floats because its density is less than that of the paint and displaces its own weight in the paint.

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An fm radio station broadcasts at 98. 6 mhz. What is the wavelength of the radiowaves?.
victus00 [196]

The wavelength of the radio waves is 3.04 cm.

<h3>Calculation:</h3>

λf = c

λ = c/f

where,

λ = wavelength

c = speed of light

f = frequency

Given,

f = 98.6 MHz = 98.6 × 10⁶

c = 3 × 10⁸

To find,

λ =?

Put the values in the formula,

λ = c/f

λ = 3 × 10⁸/98.6 × 10⁶

  = 0.0304 × 10²  m

  = 3.04 cm

Therefore, the wavelength of the radio waves is 3.04 cm.

Learn more about the calculation of wavelength here:

brainly.com/question/8422432

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3 0
2 years ago
HELP what is the answer to this question?
Dennis_Churaev [7]
I think it’s c sorry if wrong
7 0
3 years ago
A solid with flat sides that meet at sharp edges and corners is called
Illusion [34]
1.) Product is a solid
2.) Product has flat slides
3.) Flat sides meet at sharp edges and corners
The product would be a crystal, or it would be a type of product in a crystal structure.
3 0
3 years ago
A forklift raises a crate weighing 8.35 × 102 newtons to a height of 6.0 meters. What amount of work does the forklift do?
Vinil7 [7]
Answer:

<span>5010J</span>

Explanation:

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<span>W=F⋅d</span>.

Substitute in values from the question to get

<span>W=8.35⋅<span>102</span>N⋅6m=50.1⋅<span>102</span>Nm=5010<span>J</span></span>

6 0
3 years ago
Read 2 more answers
The magnitude of a uniform electric field between two plates is about 1.7 × 106N/C. If the distance
ASHA 777 [7]

Answer:

V = E*d

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V = 2.9^10^6 N/C * 0.015 m

V = 1.93 * 10^9 V

The units don't agree in any simple way, but the formula is correct, and it does work.

Explanation:

4 0
3 years ago
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