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kondor19780726 [428]
3 years ago
8

A mass accelerates uniformly when the resultant force on it is ?

Physics
1 answer:
Verizon [17]3 years ago
4 0
You want 'unbalanced', but 'not zero' is better.
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How long is an open-open pipe if the fundamebntal frequency is 60Hz. (Hint: Speed of Sound in the Air is 340m/s)
kifflom [539]

Fundamental frequency, f1=v/2l

Let the length of the pipe be ‘l’

<em>By given: v=340m/s, f1=60Hz</em>

Thus, 60=340/2l

60=170/l

l=170/60=17/6=2.8333

<em><u>The length of the pipe is 17/3=2.8333m.</u></em>

3 0
3 years ago
How much work is done when a book weighing 2.0 newtons is carried at constant velocity from one classroom to another classroom 2
san4es73 [151]
52 J


All you have to do is multiply the two
4 0
3 years ago
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Hãy nêu sự tương tự giữa công của lực điện trong trường hợp này với công của trọng lực.​
statuscvo [17]

Answer:

tốt ý bạn là gì?

Explanation:

6 0
3 years ago
b) The depth of a wrecked ship is 1000 m below sea level. A ship transmits a wave of frequency 50 kHz and receives an echo 2.4 s
alexandr402 [8]

The speed of the wave in water is 833.33 m/s

The given parameters;

  • depth of the wrecked ship, d = 1000 m
  • frequency of the wave transmitted, f = 50 kHz
  • time of motion of the echo, t = 2.4 s

The speed of the wave in water is calculated  by applying echo equation as shown below;

2d = velocity \times time\\\\velocity = \frac{2d}{time} \\\\velocity =  \frac{2\times 1000 \ m}{2.4} \\\\velocity = 833.33 \ m/s

Thus, the speed of the wave in water is 833.33 m/s

Learn more here: brainly.com/question/23433611

4 0
3 years ago
Which type of magma is known for the most violent eruptions?
Anni [7]

Answer: B. Rhyolitic

Rhyolitic magma is responsible for most violent volcanic eruptions. Rhyolitic magma erupts catastrophically with high intensity gas content. This magma being more viscous traps gases, builds pressures and erupts explosively. High viscosity of this magma is because of high silica content that erupt with the mineral contents of the rocks.

8 0
4 years ago
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