A ball is dropped from the top of a building. The height of the ball in metres above the ground at : seconds after the drop is given by the function (t)=-4.9t² +19.6. a) What is the height of the building? b) When does the ball strike the ground? Estimate the instantaneous rate of change in the height of the ball at t = 5 seconds.

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3.
A ball is dropped from the top of a building. The height of the ball in metres above
the ground at : seconds after the drop is given by the function h(t) = -4.9t² + 19.6.
a)
b)
What is the height of the building?
When does the ball strike the ground?
Estimate the instantaneous rate of change in the height of the ball at
t = 5 seconds.
Transcribed Image Text:3. A ball is dropped from the top of a building. The height of the ball in metres above the ground at : seconds after the drop is given by the function h(t) = -4.9t² + 19.6. a) b) What is the height of the building? When does the ball strike the ground? Estimate the instantaneous rate of change in the height of the ball at t = 5 seconds.
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