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Homework Help: Hi! two phys prob about Newton's law

  1. Oct 8, 2009 #1
    http://www.webassign.net/sercp/p4-62alt.gif (Figure P4.62)

    Three objects are connected by light strings as shown in Figure P4.62. The string connecting the m1 = 5.00 kg mass and the m2 = 4.00 kg mass passes over a light frictionless pulley.
    a) find the acceleration of each object and
    b) the tension in the two strings

    prob 2.A 3kg object hangs at one end of a rope that is attached to a the ceiling of a railroad car. When the car accelerates to the right, the rope makes an angle of 4 degrees with the vertical. Find the acceleration of the car.
    5 minutes ago - 4 days left to answer.

    prob 1 answer: Acceleration:1.63m/s^2
    t1:54.2 t2:24.5
    prob 2 answer:0.69m/s^2
  2. jcsd
  3. Oct 9, 2009 #2


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    Homework Helper

    According to PF rules, you have to your attempts before you seek our help.
    In prob. 1, what are forces acting on each mass?
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