Mathematics, 10.06.2021 01:00 theannakittler7327
The function h 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. From what height is the object dropped? Explain how you know.
Answers: 3
. The lack of a linear term in the middle means therewas no upwards velocity, consistent with the object being dropped straight down as opposed to thrown up in the air tand then falling in a parabolic path. The -4.9t² represents the acceleration due to gravity, and the 490 represents the height from which the object was dropped. The constant in a quadratic that is modeling parabolic motion always represents the height from which the object was dropped (or launched). That's how you know.
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The function h defined by h(t)=(49 + 4.9t)(10 - t) models the height, in meters, of an object t seco...
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