Acceleration Due to Gravity. the acceleration due to gravity (9.81 m/s 2 [↓]) always acts down -when the object is travelling towards the earth -when.

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Presentation transcript:

Acceleration Due to Gravity

the acceleration due to gravity (9.81 m/s 2 [↓]) always acts down -when the object is travelling towards the earth -when the object is travelling away from the earth -when the object is stopped

1.A boy jumps from a bridge. Determine his velocity after he falls for 3.0 s.

2.A stone is thrown from a bridge with an initial velocity of 20.0 m/s. Determine the velocity after 2.2 s if the direction of the initial velocity is: (a) upward (b) downward

c)If the stone is thrown up, at what time will it reach its maximum height?

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