If a rock is tossed upward from ground level, its upward velocity V, in feet per second, satisfies the equation of change
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Here the time t is measured in seconds. Suppose the rock is tossed upward with an initial velocity of 136 feet per second.
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A: Write a formula that gives the velocity t seconds after the upward toss.B: How many seconds after the toss does the rock reach the peak of its flight? Suggestion: What is the velocity of the rock when it reaches the peak of its flight? Round your answer to two decimal places.C: How many seconds after the rock is tossed upward does it strike the ground? Round your answer to two decimal places.
What will be an ideal response?
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B: 4.25 seconds
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C: 8.50 seconds
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