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MAC Google Chrome ome Secure MTH 125 Flipped Classroom SPRING 2018 Nbt Matthew A

ID: 2885927 • Letter: M

Question

MAC Google Chrome ome Secure MTH 125 Flipped Classroom SPRING 2018 Nbt Matthew Allen& 1 3/22/18 2:00 PM Home o uHomework: 3.4 Score: 0 of 1 pt 44of 12 (11 complete) MV Score: 73 99%, 8 88 of 12 pts Name 3.4.9 Last Worked Question Hep The equation for tree tull at the surface of a efestil body in outer space (s in meters, t h seconds) is s 1.3 ow long does i take a rock ing rom rest to reach a velocly of214cisesialbody in outer space? Anempts Lubeoing tom rent to reach 2 clal bod ute space Round to tbe nearet enth as newded)

Explanation / Answer

s = 1.3 t^2

velocity v = ds/dt

differentiate s with respect to t

v = ds/dt

=d(1.3 t^2)/dt

= 1.3 *(2t)

=2.6 t

velocity given v = 21.4 m/s , t=?

2.6 t = 21.4

t = 21.4/2.6

=214/26

=107/13

=8.23

~8.2 seconds