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Elan Coil [88]
3 years ago
13

Why is an energy source needed in order to have a working circuit

Physics
1 answer:
PolarNik [594]3 years ago
3 0
Well, everything needs a source of energy to work. Without some source of energy, a circuit cannot work. For example, when you're tired, you can't function well as opposed if you a had good rest,  a healthy breakfast, coffee, etc. 
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True or False. Centripetal force holds an object towards the center of a circle.
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calculate the distance a plane flies on a 7.95 hour flight from Chicago to London. Assume a constant speed of 800.0 km/h
soldier1979 [14.2K]

Answer:

6360 km

Explanation:

Use the kinematics equation x=v_ot+\frac{1}{2}at^2.  We are given t = 7.95 hours and a = 0 m/s^2 (constant speed means there is no acceleration).  Solve for x.

x=(800)(7.95)+\frac{1}{2}(0)(7.95^2)\\x=6360 \ km

4 0
4 years ago
Can u help me with C
Vladimir79 [104]
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