Asked by L
A student goes to planet x and wants to determine the gravity there. The student knows from physics lab that they can use Atwood's machine to determine gravity. The student places a 100g mass and a 110g mass at the end of a string and hangs it over a pulley. The student places the 110g mass one meter above the ground and times its fall as being 0.3 seconds. What is gravity on planet x?
Answers
Answered by
bobpursley
average velocity= (1/.3) m/s
final velocity= 2*avg velocity= 2/.3
final KE= change in PE
1/2 * (.100+.110)(2/.3)^2=(.110-.100)"g"
solve for "g"
final velocity= 2*avg velocity= 2/.3
final KE= change in PE
1/2 * (.100+.110)(2/.3)^2=(.110-.100)"g"
solve for "g"
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