Find the initial speed of the stone

Reference no: EM1371272

Q. A stone is thrown vertically downward from a cliff 180 m tall. Throughout the last half second of its flight, the stone travels a distance of 48.5 m. find the initial speed of the stone.

Q. A model rocket rises with constant acceleration to a height of 3.8 , at which point its speed is 26 m/s How much time does it take for the rocket to reach this height?

Reference no: EM1371272

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