No 16 page 96: How long does it take for a car accelerating at 3.5 m/s^2 to go from rest to 120 km/h . Hint: first, change the velocity from km/h to m/s.(adsbygoogle = window.adsbygoogle || []).push({});

No. 17 pag. 105: A rock is dropped from a bridge to the water below. It takes 2.4s to hit the water. find:

a) the speed in m/s of the rock when it hits the water ( assume g,the acceleration and v , positive going down)

b) how high is the bridge above the water??

How would i solve this????Thanks in advanced

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# How high is the bridge above the water?

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