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SashulF [63]
3 years ago
7

A main goal of most environmental scientists is to achieve _________________________.

Physics
1 answer:
sergiy2304 [10]3 years ago
4 0

Answer:

The answer is biodiversity

Explanation:

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A 12,000-N car is raised using a hydraulic lift, which consists of a U-tube with arms of unequal areas, filled with incompressib
Natasha_Volkova [10]

Answer:

F = 1958.4 N

Explanation:

By volume conservation of the fluid on both sides we can say that volume of fluid displaced on the side of the car must be equal to the volume of fluid on the other side

so we have

L_1A_1 = L_2A_2

1.20(\pi 18^2) = L_2(\pi 5^2)

L_2 = 15.55 m

so the car will lift upwards by distance 1.2 m and the other side will go down by distance 15.55 m

So here the net pressure on the smaller area is given as

P = P_{atm} + \frac{12,000}{\pi (0.18)^2} + \rho g (1.2 + 15.55)

excess pressure exerted on the smaller area is given as

P_{ex} = \frac{12000}{\pi (0.18)^2} + 800(9.81)(16.75)

P_{ex} = 2.49\times 10^5 Pascal

now the force required on the other side is given as

F = P_ex (area)

F = (2.49 \times 10^5)(\pi (0.05)^2)

F = 1958.4 N

3 0
3 years ago
A cart is loaded with a brick and pulled at constant speed along an inclined plane to the height of a seat-top. If the mass of t
grandymaker [24]

Answer:

13.23J

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3 0
3 years ago
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The phases of the moon depend on how much of the lighted side of the moon can be seen from earth.is this true or false
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The answer to this question is going to be False 

6 0
3 years ago
How many ounces is 200 lbs converted
ddd [48]

Answer:

3,200 ounces

Explanation:

1 pound (lb) is equal to 16 ounces (oz):

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200 pounds

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200 (mass) * 16 = 3,200 ounces.

Thank you!

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