Cassiexox16 Cassiexox16

24-11-2014
Physics

Answered

A ski jumper competing for an Olympic gold-medal wants to jump a horizontal distance of 135 m the take off point of the ski jump is that a height of 25 m with what horizontal speed must he leave the jump

Answer :

Vectesper Vectesper

24-11-2014

Time before landing = sqrt ( 2 x height / gravity ), sqrt ( 2 x 25 / 9.81) = 2.26
distance / time = avg speed
135 / 2.26 = 60~ m/s

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