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grin007 [14]
3 years ago
9

hen a series combination of two capacitors is connected to a 12 V battery, 173 of energy is drawn from the battery. If one of th

e capacitors has a capacitance of 4 HF, what is the capacitance of the other?
Physics
2 answers:
Hatshy [7]3 years ago
8 0
Divide 173÷12=?????? and ×by 4 and this is the answer
aksik [14]3 years ago
6 0
Divide 173÷12=?????? and ×by 4 and this is the answer, hope this helps
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A box with a mass of 7 kilograms is pushed up a ramp to a height of 5 meters. What is the work done against the force of gravity
muminat
The potential energy of the box when it gets to the top is

                  (mass) (gravity) (height)

             =    (7 kg) (9.8 m/s²) (5 m)

             =          343 joules.

That's the work done against the force of gravity.  Any
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A car moving 12m east, then 20m west . What is the displacement?
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Answer:

8 m west

Explanation:

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2 years ago
Help plzzz!!! I only have 10 minutes to turn in
Lostsunrise [7]
  • The mechanic did 5406 Joules of work pushing the car.

That's the energy he put into the car.  When he stops pushing, all the energy he put into the car is now the car's kinetic energy.

  • Kinetic energy = (1/2) (mass) (speed²)

And there we have it

  • The car's mass is 3,600 kg.
  • Its speed is 'v' m/s .
  • (1/2) (mass) (v²) =  5,406 Joules

(1/2) (3600 kg) (v²) = 5406 joules

1800 kg (v²) = 5406 joules

v² = (5406 joules) / (1800 kg)

v² = (5406/1800) (joules/kg)

= = = = = This section is just to work out the units of the answer:

  • v² = (5406/1800) (Newton-meter/kg)
  • v² = (5406/1800) (kg-m²/s²  /  kg)
  • v² = (5406/1800)  (m²/s²)

= = = = =

v = √(5406/1800)  m/s

<em>v = 1.733 m/s</em>

4 0
3 years ago
According to ohm's law what is the resistance of a light bulb if the applied voltage is 21 volts and the current is 3 amps?
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Resistance = voltage/current = 21/3 = 7Ω
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