Anyone want to help me understand this Physics problem?

Test Preparation AP Test Preparation
1

<p>This is the last problem I have to do, can someone just explain what to do?</p>

<p>One mass, m1 = 0.195 kg, of an ideal Atwood machine (shown in the figure below) rests on the floor 1.10 m below the other mass, m2 = 0.270 kg.</p>

<p>The Question is: (a) If the masses are released from rest, how long does it take m2 to reach the floor?
1Your answer is correct. s</p>

<p>(b) How high will mass m1 ascend from the floor? [Hint: When m2 hits the floor, m1 continues to move upward.]
2Your answer is incorrect. m</p>

<p>I got 1.179 for a, i just don't know what to do for b, any help?</p>

2

<p>First you’d find the net force on the system. Fnet= .27<em>g-.195</em>g. Then divide by the mass of the system (.27+.195) to find the acceleration of the system. Multiply that by (a) to find the velocity of m1 when m2 hits the floor. Then to find the distance it travels from there with kinematics (vf^2=vi^2+2ad, a=g, solve for d). Then add 1.1m, because that is the height m1 is when m2 hits the floor (I think).</p>