A ball is through in to the air by an alien with a velocity of38 ft/s. It\'s hei

Question

A ball is through in to the air by an alien with a velocity of38 ft/s. It's height in feet after t seconds is given by y = 38t -26t^2. Fined the average velocity for the time period beginning whent intial = 2 seconds and lasting for the given time. t = .01 sec t = .005 sec t= .002 sec t = .001 sec For above answers you may have to enter 6 or 7significant digits if you are using a calculator. A ball is through in to the air by an alien with a velocity of38 ft/s. It's height in feet after t seconds is given by y = 38t -26t^2. Fined the average velocity for the time period beginning whent intial = 2 seconds and lasting for the given time. t = .01 sec t = .005 sec t= .002 sec t = .001 sec For above answers you may have to enter 6 or 7significant digits if you are using a calculator.

Explanation / Answer

At t=2sec the height is given by 38t - 26t^2=-28 at t=2.01 sec the height is =-28.6626 so the average velocity us found using d=vt d = -28.6626 - (-28) = 0.6626 d/t=v v = 66.26 you can do the velocities for the other time intervals followingthe same process.

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