How many 190W lightbulbs can you use in a 180-V circuit without tripping a 8-A circuit breaker? (The bulbs are connected in parallel, which means that the potential difference across each lightbulb is 180V. Also
calculate the resistance of the 190W lightbulb.
(a) No. of 190-W lightbulbs we can use without tripping a 8-A circuit breaker=
(b) Resistance of 190W lightbulb in ohm =

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On a frictionless air track, a blue glider with mass 0.200 kg is moving to the right with a speed of 8.00 m/s. it strikes a red glider that has mass 0.600 kg and that is initially at rest. after the collision, the blue glider is moving to the left with a speed of 3.00 m/s.(a) what are the magnitude and direction of the velocity of the red glider after the collision? (b) is this collision elastic?