Mathematics

Mathematics, 21.09.2021 08:40, tacie57

A small stone is thrown vertically upwards from a point A above the ground. At time t secs after being thrown from A, the height of the stone above the

ground is s metres. Until the stone hits the ground, s = 1.4 +19.6t- 4.9t²

(a) Write down the height of A above the ground.

(b) Find the speed with which the stone was thrown from A.

(c) Find the acceleration of the stone until it hits the ground

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