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how much money does it cost to leave a 100 watt light bulb on for 1 hour if electricity sells for 10cents per kW-h. a) 1cent b) 8 cent c) 22 cent d) 44cent e)100 cent
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Question: A proton has an initial speed of 3.5 x 10 5 m/s. a) What potential difference is required to bring the proton to rest? b) What potential difference is required to reduce the initial speed of the proton by a fac ...
A catapult launches a test rocket vertically upward from a well, giving the rocket an initial speed of 80.0 m/s at ground level. The engines then fire, and the rocket accelerates upward at 5.00 m/s^2 until it reaches an ...
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