A Car is being driven along a road at a steady 1 25 ms when the driver suddenly notices that there is a fallen tree blocking the road 65 m ahead. The driver immediately applies the breaks giving the car a constant deceleration of 2 5 ms .b) If the driver had not reacted immediately and the brakes were applied one second later, with what speed would the car have hit the tree?
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speed =distance/time speed= 125/25= 5ms
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