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sammy [17]
3 years ago
11

Where is the centre of mass of a uniform cube located?​

Physics
1 answer:
Stella [2.4K]3 years ago
8 0

Answer:

NICE QUESTION

Explanation:

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What is the acceleration of a 10kg rock falling at a gravitational fiend of 10N/kg​
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If earth rotated on an axis that was not tilted, how would this affect the seasons?
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If earth was not tilted on a axis, we wouldn't have any seasons. we wouldn't have seasons because the axis tilts us towards or away from the sun, and if you're tilted torwards the sun the sun you would have summer. if you're tilted away from the sun, you have winter. if there was no axis, the temperature would be the same all around the earth, so therefore we would not have seasons. 

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4 years ago
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Which of the following produces the energy, initial motion, and direction of the surface currents in the ocean
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A house is maintained at a comfortable temperature by means of an electrical resistor heater during winter. The heater is operat
Nimfa-mama [501]

Answer:

a)   I = 0.01029 A , b)   Q = 4074.05 J

Explanation:

a) Let's work in parts, let's start by looking for the energy consumed.

For this we use a rule of three or direct proportions if 1 kWh costs $ 0.09, how much kWh is $ 8.80

           Energy = 8.80 / 0.09

           Energy = 97,778 kWh

to calculate the current, we must have the energy consumed per second

           

Let's use a rule of three if 97,778 kWh were consumed in 24 h = 86,400 s how much was consumed in 1 s

            E₀ = 97.778 1/86400

            E₀ = 1.13168 Ws

           

the power consumed is

           P = E₀ / t

           P = 1.13168 / 1

           P = 1.13168 W

power is

           P = I V

           I = P / V

           I = 1.13168 / 110

           I = 0.01029 A

b) the heat is given by

     

           

as the efficiency is 100%

          E = P t = Q

          Q = 1.131368 3600

          Q = 4074.05 J

6 0
4 years ago
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