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Solnce55 [7]
3 years ago
14

Example of amplitude

Physics
1 answer:
Greeley [361]3 years ago
5 0
Wavelength

Question

The total distance between 4 consecutive crests of a transverse wave is 6 m. What is the wavelength of the wave?

Quote the final answer
The wavelength is 2 m.
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PLEASE HELP!! At what temperature will silver have a resistivity that is four times the resistivity of tungsten at room temperat
Svetach [21]
Consider 20 deg.C. as room temperature.

From tables,
Silver has a resistivity of  1.6*10^-8 ohm-m at 20 deg.C, and it increases by 0.0038 ohm-m per deg.K increase.
Therefore if the temperature rise above 20 deg.C is T, then silver will have resistivity of
1.6*10^-8(1 + 0.0038T) ohm-m

At room temperature, the resistivity of tungsten (from tables) is 5.6*10^-8.

The resistivity of silver will be 4 times that of tungsten (at room temperature) when
1.6*10^-8(1 + 0.0038T) = 4*5.6*10^-8
1 + 0.0038T = 14
T = 13/.0038 = 3421 deg.K approx

Answer: 20 + 3421 = 3441 °C
4 0
3 years ago
Make the following conversion. 120 mL = _____ cm³ 12.0 1200 120 1.20
omeli [17]
120 is your answer. 120 mL = 120 cm^3
7 0
3 years ago
Read 2 more answers
What would the speed of this wave be?
valentinak56 [21]

Answer:

c) 100,000 m/s

Explanation:

You need to take the same wave length from the top graph and bottom one, so let's take half a wave length then in the top one that is 0.005, but in the bottom one it's 2000/4 = 500 because they are smaller and there are 4 half waves before you get to 2000, whereas in the top one there is 1 half wave before you get to 0.005 on the graph.

Now use speed = distance / time

speed = 500 / 0.005 = 100 000 m/s

7 0
3 years ago
Give the reason of evidence and claim.
Sliva [168]

Answer:

it shows a black screen

Explanation:

6 0
3 years ago
An electric clothes dryer draws 15 A at 220 V. If the clothes put into the dryer have a mass of 7.0 kg
xz_007 [3.2K]

Answer:

Explanation:

7.0 - 4.0 = 3.0 kg water

3.0 kg(2.26 x 10⁶ J/kg = 6.78 x 10⁶ J

220 V(15 A) = 3300 W

1 W = 1 J/s

6.78 x 10⁶ J / 3300 J/s = 2054 s

2054 s / 60 s/min = 34 min

6 0
2 years ago
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