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Lady_Fox [76]
3 years ago
5

What is a sloping surface, like a ramp, that reduces the amount of force required to do work.

Physics
1 answer:
puteri [66]3 years ago
6 0
If this is about simple machines the answer is: Inclined plane
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13. A transformer has a primary coil with 600 turns and a secondary coil with 300 turns. If the output voltage is 320 volts, wha
vivado [14]
His is a step down transformer since n(primary) is greater than n(seconcary). You relate the input voltage with the ouput voltage with the following equation: 

<span>Vout = n2/n1*Vin (n2/n1 is essentially your 'transfer function' that dictates what a specified input would produce) </span>

<span>Solving the equation: </span>

<span>Vin = Vout*n1/n2 = (320V)*(600/300) = 640 V </span>

<span>This is checked by seeing if Vin is greater than Vout, which it is for a step down transformer.</span>
5 0
3 years ago
This flashlight uses three different forms of energy. Which of these shows the energy changes in the correct order?
Contact [7]

Answer:

mechanical thermal chemical

Explanation: because you use mechanical energy to turn it on

3 0
3 years ago
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Scientists might make a computer model of volcanic eruptions. What is the
Anna [14]

Answer:

Computer Model May Help to More Accurately Predict Volcano Eruptions. Scientists at the GFZ German Research Center in Potsdam, Germany, have developed a computer model which they say boosts the accuracy of volcanic eruption prediction.

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7 0
1 year ago
What is the wavelength of a wave that has a speed of 160 m/s and a period of 3.7 ms?
Elza [17]

Answer:

160m/s

Explanation:

The speed of a wave is related to its frequency and wavelength, according to this equation:

v=f ×λ

3 0
2 years ago
A 5 kg book falls from a shelf. If it lands at a speed of 5.7 m/s, from what height did it fall?
Pachacha [2.7K]

Answer:

57m

Explanation:

speed = 5.7m/s

or 57/10 m/s

so definitely the time taken will be 10 secs

so speed = distance/time taken

5.7= distance/10

distance = 5.7× 10

Distance = 57m

7 0
3 years ago
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