Landraamileey Landraamileey

14-12-2016
Mathematics

Answered

A hockey puck slides off the edge of a table with an initial velocity of 20.0 m/s. The height of the table above the ground is 2.0m. What is the magnitude of the velocity of the puck just before it touches the ground? Show your solution.

Verified Answer :

nobillionaireNobley nobillionaireNobley

17-12-2016

v^2 = u^2 + 2gs = 20^2 + 2(9.8)(2) = 400 + 39.2 = 439.2
v = sqrt(439.2) = 21.0 m/s

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