Dynamics Question on projectile motion
1. The MB5-858 problem statement, all variables and given/known data
A stone of 0.5kg is thrown horizontally from an edge of a cliff at 6 m/s. If the cliff is 20m, what is the horizontal distance travelled by the stone before landing?
2. Relevant equations
I am guessing the equations are the standard SUVAT ones and possibly F=ma:
v^2 = u^2+2as
s = (ut) + 1/2(u[t^2])
v = u + at
3. The attempt at a solution MB5-858
I have no solution so far because i have totally forgotten how to do it. Its for a engineering principles retake exam.
Neglecting air resistance,MB5-858 the horizontal velocity of the rock will remain unchanged while the rock falls to the ground at the bottom of the cliff. What you must do first is calculate how long the rock takes to fall, as if it were dropped directly from the top of the cliff. Once you have the time to fall, you can calculate how far the rock travels horizontally using the velocity and duration of the fall.
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Dynamics MB5-858 Question on projectile motion
June 13th, 2011 by IT Certification
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