Centripital Acceleration problem

  • Thread starter Megatron20
  • Start date
  • #1
Using a rotational platform I found the following values..
Mass of bob: 457 grams
Radius: 16 cm
time to make 100 rotations: 67.4 seconds
I need to find the velocity and was given the following equation V=2pi(r^2)/t *100
Once I find the velocity i need to plug that into the following equation to find force
F=mV^2/r

The counter force in the experiment was 5.4 N and i can't get anywhere near there. Can someone help me with this problem please.
 

Answers and Replies

  • #2
537
1
can you show your attempt at the problem?
 

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