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lisov135 [29]
3 years ago
5

What is the acceleration of a falling object that has reached its terminal velocity?

Physics
1 answer:
kolbaska11 [484]3 years ago
3 0

Answer:zero

Explanation:

The terminal velocity of an object falling through a fluid is its maximum attainable velocity in the fluid. it is said to occur when the sum of the drag force and the buoyancy is equal to the downward force of gravity acting on the object. At terminal velocity, the object stops accelerating and moves at constant velocity.

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In the Niagara Falls hydroelectric generating plant, the energy of falling water is converted into electricity. The height of th
Tamiku [17]

Answer:

2.124 kg of water

Explanation:

height of the falls is about 48 meters.

Mass of water needed is 1kg = 1000g

Power needed is 106 watts.

The amount of energy in 106 watts in one sec is 106 joules.

To calculate the energy of the 1kg falling water = Mgh

Energy = 1000*9.81*48

Energy = 470880 joules.

1 megawatt is = 1000000watts

The kilogram of water needed is 1000000/470880 = 2.124 kg of water

3 0
3 years ago
Calculate the acceleration of a turtle going from 0.3 m/s to 0.7 m/s in 30 seconds.
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Acceleration = velocity/ time
Acceleration = 0.7-0.3 /30= 0.01 m/s^2
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3 years ago
Plzz answer this question correctly
VikaD [51]

Answer:

the acceleration of A is three times that of B

3 0
3 years ago
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Gre4nikov [31]

The answer is Entropy or part C.


Entropy is basically a thermodynamic quantity that tells the randomness of a system or as said in the question tells us a measure of the disorder of the system.


The second law of thermodynamics states that a closed system has entropy which may remain constant or otherwise might increase.


It is basically the measure of the change of a system or universe when it goes from order to disorder.

5 0
3 years ago
A moving sidewalk in an airport terminal moves at 1 m/s and is 35 m long. If a person steps on at one end of the sidewalk and wa
Serhud [2]

Answer:

a) (1.4 + 1.9) = 3.3m/sec.

(35/3.3) = 10.6 secs.

b) (1.9 - 1.4) = 0.5m/sec.

(35/0.5) = 70 secs.

Explanation:

4 0
3 years ago
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