A cheetah can accelerate at up to #6.0# #m##/s^2#. How long does it take for a cheetah to speed up from #10.5# #m##/s# to #12.2# #m##/s#?

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Answer 1 · 2018-04-09T14:11:59

we have,

#"acceleration" = 6 " m/s"^2#

#"initial velocity" = 10.5" m/s"#

#"final velocity" = 12.2" m/s"#

#color(white)(OOO#

#"acceleration" = ("final velocity " - " initial velocity")/ "time taken"#

#"time taken to speed up from 10.5m/s to 12.2m/s" = (12.2-10.5)/6 = 1.7/6 = 0.28 " seconds"#