Question # : 25 A uniform plank of length 2.00 m and mass 30.0 kg is supported by three ropes, as indicated by the blue vectors in the figure. A 720 N person is standing at d = 0.550 m from the left end. Find T2. A. 669 N B. 450 N C. 537 N D. 308 N E. 258 N T₁ -2.00m V 40.0

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A: mgh(sin 5°)=12mv2+12Iw2   ....(1)moment of disc =12mr2angular velocity w=260…

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Q: answer

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A: initial velocity at 40 degree is 50m/sfinal velocity at 15 degree is 50m/s

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A: L = 0.9 mI1 = 1.06 * 10-3 kg m2W1 = 0.607 rad/sm = 5 * 10-3 kgNow, since at last the bug will be…

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Q: 12. What is the ratio of the electrostatic force to the gravitational force between two electrons?

A: 12)the charge on an electron (q) = - 1.6×10-19 C mass of electron (m) = 9.11×10-31 kg Let the…

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