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Gelneren [198K]
3 years ago
15

A rock exerts 5000 Pa of pressure on the ground. If the rock weighs 250 N, how much area is in contact with the ground?

Physics
2 answers:
ololo11 [35]3 years ago
4 0

P = F/S - S = F/P = 250/5000= 0.05 m2

SOVA2 [1]3 years ago
3 0

Answer:

Area=0.05 m^{2}

Explanation:

Given pressure=5000 Pa

and weight=250 N

Using equation

Pressure=Force/Area

So,Area=Force/pressure

Area=250/5000

Area=0.05 m^{2}

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ki77a [65]

Given that,

Voltage = 10 volt

Suppose, The three resistance is connected in parallel and each resistance is 12 Ω. find the current in the electric circuit.

We need to calculate the equivalent resistance

Using formula of parallel

\dfrac{1}{R}=\dfrac{1}{R_{1}}+\dfrac{1}{R_{2}}+\dfrac{1}{R_{3}}

Put the value into the formula

\dfrac{1}{R}=\dfrac{1}{12}+\dfrac{1}{12}+\dfrac{1}{12}

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3 years ago
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konstantin123 [22]

Explanation:

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6 0
3 years ago
Which type of energy is commonly referred to as kinetic energy?
aksik [14]
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3 years ago
Read 2 more answers
If a distant galaxy has a substantial redshift (as viewed from our galaxy), then anyone living in that galaxy would see a substa
mario62 [17]

Answer:

Option A

Explanation:

The statement makes sense since it's already explained that the galaxy is moving away from us and unlike option C which depicts that the galaxy is moving to us.

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3 years ago
3) How far will 20 N of force stretch a spring with a spring constant of 140 N/m?
muminat

Answer:

7 meters, 2.8 meters

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work done (nm) = force (n) * distance (m)

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140/20 = m

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4 0
2 years ago
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