Homework Help: Physics

Posted by Anonymous on Tuesday, September 27, 2011 at 7:09pm.

A 0.38-kg particle has a speed of 2.0 m/s at point A and kinetic energy of 7.5 J at point B.
(a) What is its kinetic energy at A?
J

(b) What is its speed at point B?
m/s

(c) What is the total work done on the particle as it moves from A to B?

Physics - bobpursley, Tuesday, September 27, 2011 at 7:13pm
a,b) KE= 1/2 mass*v^2

c) the work done is the difference in energies at A,B

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