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kogti [31]
4 years ago
11

Estimate the volume of a typical house (2050 feet squared in size and 10 feet tall) answer in units of meters squared

Physics
1 answer:
Aloiza [94]4 years ago
8 0

Answer:

Volume = 6248.48 m^{3}

Explanation:

Given:

The area of the house A = 2050\ ft^{2}

The height of the house h=10\ ft

We need to find the volume of a typical house.

Solution:

We find the volume of the house by multiplying the area of the house and height of the house.

Volume = Area\times height

Volume = A\times h

Area and height of the house are known, so we substitute these value in above equation.

Volume = 2050\times 10

Volume = 20500\ ft^{3}

Now we convert the unit from feet to meter.

Divide the volume by 3.2808 for m^{3}

Volume = \frac{20500}{3.2808}

Volume = 6248.48\ m^{3}

Therefore, the volume of the house is 6248.48 m^{3}

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As more resistors are added in series across a constant voltage source, the power supplied by the source: A) does not change. B)
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As series resistors are added, the resistance is added directly so the total resistance will be equal to

R_T = R_1+R_2+R_3... R_{\infty}

Since the power is determined as

P = \frac{V^2}{R}

We have there that

P \propto \frac{1}{R}

The power is inversely proportional to the increase in resistance, so it will tend to decrease as more resistors are added in series.

The correct answer is: C.

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3 years ago
What are dangers of synthetic drugs
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These are some potential dangers of synthetic drug abuse

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3 years ago
A force of 250 N is applied to a hydraulic jack piston that is 0.02 m in diameter. If the piston that supports the load has a di
KATRIN_1 [288]

Answer:

C. 1400

Explanation:

The force exerted = f1 = 250

Diameter d1 = 0.02

r1 = d1/2 = 0.01

Diameter d2 = 0.15

r2 = d2/2 = 0.075

The mass of jack to lift

F1/A1 = f2/A2

250/r1² = f2/r2²

250/0.01² = f2/0.075²

When we cross multiply, we will have:

250x0.005625 = 0.0001f2

1.40625 = 0.0001f2

F2 = 1.40625/0.0001

F2 = 14062.5N

Force f = mg

g = 9.81

m = 14062.5/9.81

Mass = 1433Kg

Therefore option c is correct. A mass of 1400kg can be lifted by the jack

7 0
3 years ago
Achilles and the tortoise are having a race. The tortoise can run 1 mile (or whatever the Hellenic equivalent of this would be)
fenix001 [56]

Answer:

Surely Achilles will catch the Tortoise, in 400 seconds

Explanation:

The problem itself reduces the interval of time many times, almost reaching zero. However, if we assume the interval constant, then it is clear that in two hours Achilles already has surpassed the Tortoise (20 miles while the Tortoise only 3).

To calculate the time, we use kinematic expression for constant speed:

x_{final}=x_{initial}+t_{tor}v_{tor}=1+t_{tor}\\x_{final}=x_{initial}+t_{ach}v_{ach}=10t_{ach}

The moment that Achilles catch the tortoise is found by setting the same final position for both (and same time as well, since both start at the same time):

1+t=10t\\t=1/9 hour=0.11 hours

7 0
3 years ago
a bird flying horizontally accidently drops a rock it was carrying. 2.10s later,the rocks velocity is 22.2m/s in a -68.2 directi
Mashutka [201]

Answer:

8.24 m/s

Explanation:

Given:

t = 2.10 s

v₀ᵧ = 0 m/s

vₓ = 22.2 cos(-68.2) m/s

aₓ = 0 m/s²

Find: v₀

In the x direction:

v = at + v₀

22.2 cos(-68.2) = (0) (2.10) + v₀ₓ

v₀ₓ = 8.24

v₀² = v₀ₓ² + v₀ᵧ²

v₀² = (8.24)² + (0)²

v₀ = 8.24 m/s

3 0
3 years ago
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