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Fleur

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An electron (m = 9 x 10-31 kg) leaves the cathode of a radio tube with zero initial velocity and travels in a straight line to
1. 1 answer
2. 562 views
What is the magnification of a 4 cm tall object placed 40 cm from a concave mirror having a focal length of 10 cm?0.33 -0.33
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2. 728 views
An electric kettle operates at 110V. What is the resistance of the kettle if the power is 1.5kW?8.1 Ω 1.4 Ω 81 Ω 14 Ω I'm
1. 1 answer
2. 2,427 views
Two resistors 10 Ω and 5 Ω are connected in parallel across a 15 V battery. What is the potential difference across the 10 Ω
1. 1 answer
2. 1,434 views

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