ANSWERS TO PROBLEM SET 3

  1. (a) 200 N
    (b) 88.9 N
    (c) 50 N

  2. (a) 2.45 m/s2
    (b) 1.09 m/s2
    (c) 0.613 m/s2

  3. (a) 11.1 N
    (b) 5.86 N

  4. (a) 0.189 m/s2
    (b) 0.0996 m/s2

  5. 582 N

  6. Rearth = 1.496 X 1011 km
    RJupiter = 7.784 X 1011 km
    aearth = 0.00593 m/s2
    aJupiter = 0.000219 m/s2

    aJupiter/aearth =(?) (Rearth/RJupiter)2

    0.000219/0.00593 =(?) (1.496/7.784)2

    0.0369 = (0.192)2

    0.0369 = 0.0369

  7. aIo/aEuropa =(?) (REuropa/RIo)2

    0.7124/0.2816 =(?) (671/422)2

    2.53 = 2.53

  8. 0.101 m/s2

  9. 0.00064 m/s2

  10. 0.00053 m/s2