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8. Jacob positions a class 1 lever so that the end he pushes down on is 0.5 m from the fulcrum. The object he is trying to lift is 0.1 m from the fulcrum. What is the IMA of the lever as he has it set up?

Ahorizontal wire is tied to supports at each end and vibrates in its second-overtone standing wave. the tension in the wire is 5.00 n, and the node-to-node distance in the standing wave is 6.28 cm. (a) what is the length of the wire? (b) a point at an anti- node of the standing wave on the wire travels from its maximum upward displacement to its maximum downward displacement in 8.40 ms. what is the wire's mass?

Which type of microscope would allow the viewer to see ribosomes inside a cell?

Idon’t quite understand this problem