Tuesday
June 30, 2015

Homework Help: Physics

Posted by emath on Thursday, March 4, 2010 at 9:56pm.

A particle of mass m is shot with an initial velocity vector v i and makes an angle θ with the horizontal, as shown below. The particle moves in the gravitational field of the Earth. (makes a shape of a parabola)Find the angular momentum of the particle about the origin when the particle is at the following locations. (Use v_i for vi, theta for θ, m, and g as appropriate in your equations.)
Known equations:
L=r x p ====> r x mv
My answers: (which are wrong)
a)m(v_i)(sin(theta))
b) ?
c)v_i^2( sin2(theta))/g * v_i sin(theta)

Thank you I appreciate your help!

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