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Art [367]
2 years ago
14

Suppose a large truck on a hydraulic lift exerts 7,000 N of force on a piston with an area of 0.4 m2. The piston can only suppor

t 16,000 Pa of pressure. How much pressure is exerted by the truck on the piston?
Physics
1 answer:
uysha [10]2 years ago
7 0

Pressure is the amount of force per unit area. In formula it is,

P = F ÷ A

P = 7000 N ÷ 0.4 m2

P = 17,500 N/m2

The amount of pressure the truck exerts on the piston is 17,500 N/m2

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Answer:

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3 0
2 years ago
If the charges attracting each other in the preceding problem have equal magnitudes,show that the magnitude of each charge is 2.
Schach [20]

Answer:

The magnitude of each charge is 2.82\times10^{-6}\ C

Explanation:

Suppose the two point charges are separated by 6 cm. The attractive force between them is 20 N.

We need to calculate the magnitude of each charge

Using formula of force

F=\dfrac{kq^2}{r^2}

Where, q = charge

r = separation

Put the value into the formula

20=\dfrac{9\times10^{9}\times q^2}{(6\times10^{-2})^2}

q^2=\dfrac{(6\times 10^{-2})^2\times20}{9\times10^{9}}

q=\sqrt{\dfrac{(6\times 10^{-2})^2\times20}{9\times10^{9}}}

q=2.82\times10^{-6}\ C

Hence, The magnitude of each charge is 2.82\times10^{-6}\ C

6 0
3 years ago
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Elenna [48]

Answer:

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3 0
3 years ago
Shortly after receiving a traffic ticket for speeding, Fred made numerous comments about the road signs being inadequate and is
k0ka [10]

Answer:

External locus of control

Explanation:

External locus of control is an attitude people possess that makes them attribute their failures or successes to factors other than themselves. The opposite of this type of attitude is the Internal locus of control where the individuals take responsibility for the outcomes of their actions whether good or bad. One good thing about the external locus of control is that when the individuals with this characteristic record successes, they attribute it to others and this presents them as people with team spirit. However, when they record failures, they do not want to take the blame, but rather attribute it to others.

Fred exhibits an external locus of control because he attributed his speeding to other factors like the road signs and GPS instead of fully admitting that it was his fault.

7 0
3 years ago
2. Radio stations are usually identified by their
Mice21 [21]

The wavelength of the radio wave is 0.303 m.

<h3>Wavelength</h3>

The wavelength of the wave is the distance traveled by the wave.

c = fλ

where;

  • c is speed of light = 3 x 10⁷ m/s
  • f is frequency
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λ = c/f

λ = (3 x 10⁷ ) / (99 x 10⁶)

λ = 0.303 m

Thus, the wavelength of the radio wave is 0.303 m.

Learn more about wavelength here: brainly.com/question/10728818

3 0
1 year ago
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