12. A block of ice is sliding down a ramp of slope 40° to the horizontal. What

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12A block of ice is sliding down a ramp of slope 40° to the horizontal. What is the rate of acceleration of the block? Assume the force of friction is not significant.

13.A block of mass M hangs in equilibrium. The rope which is fastened to the ceiling has a tension of  and makes an angle Θ = 55° with the ceiling. What is M? https://tcan4424-oakcliff-ccl.gradpoint.com/Resour...

May 18th, 2015


acceleration=4.5m/s^2

tan 55=45.18

 

May 18th, 2015

both wrong 

May 18th, 2015


what are the choices

May 18th, 2015

12 .

4.9 m/s2

9.8 m/s2

6.3 m/s2

7.1 m/s2

13.

9.9 kg

24 kg

52 kg

5.3 kg

16 kg

but please dony guess i need this right :(

May 18th, 2015

12. 4.9

13.5.3

May 18th, 2015

are you sure?

May 18th, 2015


yes but check the question because because there is no tension in the rope

May 18th, 2015

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