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Mathematics, 24.11.2020 22:00 issaaamiaaa15

The function h is defined by h(t)=(49+4.9t)(10-t) models the height, in meters, of an object t seconds after it is dropped from a helicopter a) find the time when the object hits the ground. explain
b) from what height is the object dropped ? explain

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The function h is defined by h(t)=(49+4.9t)(10-t) models the height, in meters, of an object t secon...
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