Question
A car is accelerated in such a way that the speed
is doubled after every minute. This way the car reaches the speed of 160 km/hr at 12:05 pm. If the car was started at 11:57 am, at what time will the car’s speed be 40 km/hr?Solution
The speed of the car would be 80 km/hr at 12:04 pm. ∴ the speed of the car would be 40 km/hr at 12:03 pm
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