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Q. A toy rocket has been launched straight upward. Altitude y as a function of time is given as y=bt−ct2, w b = 81 m/s , c = 4.9 m/s2 , t is time in seconds, y is in meters.

not sure how to start this question ! please help

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Q. A toy rocket has been launched straight upward. Altitude y as a function of time is given as y=bt−ct2, w b = 81 m/s , c = 4.9 m/s2 , t is time in seconds, y is in meters.

not sure how to start this question ! please help

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Chestermiller

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Ray Vickson

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Q. A toy rocket has been launched straight upward. Altitude y as a function of time is given as y=bt−ct2, w b = 81 m/s , c = 4.9 m/s2 , t is time in seconds, y is in meters.

not sure how to start this question ! please help

(1) You should write y = b t - c t^2 to show that the "2" next to the "t" is a power, not just a multiple.

(2) Do you know what differentiation means? Do you know

(3) Do you know

What does your textbook say about (2) and (3)?

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