Question

1. The motion of an avalanche is described by s(t) = 41 2 , where s is the distance, in metres, travelled by the leading edge of the snow at

t seconds. a. Find the distance travelled from after 5 s. b. Find the rate at which the avalanche is moving from 8 s to 12 s. c. How long does the leading edge of the snow take to move 1000 m?

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