a motor bike coveres a distance of 110 km in first 2 hrs , 80km in 1hr and 40km in last 1/2hr find the average speed of the bike
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Speed of car in first 15 minutes = 40 km/h
Distance covered = speed × Time taken
60 minutes = 1 hour
15 minutes = 6015 hour
Distance covered = 240×6015=10km
Speed of car in next 15 minutes = 60 km/h
Distance covered = 60×6015=15km
∴ Total distance covered = (10+15)km = 25 km
∴ 25 km is correct
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A galvanometer can be converted into an ammeter by connecting a low resistance (called shunt resistance) in parallel to the galvanometer. Parallel resistance being small will draw most of the current and the combination will not effect the original current in the circuit.
Step-by-step explanation:
............sorry ji
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