Write down an expression for the magnetic electromotive force E generated in a straight conductor of length I moving with velocity v in the magnetic field B. Please use "*" for products (e.g. B*A), "/" for ratios (e.g. B/A) and the usual "+" and "-" signs as appropriate. Please use the "Display response" button to check you entered the answer you expect. E= Display response

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A 100. m E 38 m 20. m B What is the velocity of a car with a mass of 40 kg as it travels along the track?

The cables, knotted at B support the 60kg mass. Sketch a complete free body diagram knot at B. Determine the tension in Cable AB. a. 75.0N b. 981Nc. 736N d. 100N Determine the tension in Cable BC. a. 60.0N b. 589Nc. 45.0N d. 441N

A man with weight w is riding an upward bound elevator. The elevator cord then snaps ans the elevator begins to fall. What is the man's weight immediately after the elevator begins to fall?  A. Greater than w  B. Less than w C. 9.81w D. Equal to w E. Zero

What is the net force acting on a 26.5kg box resting on the floor? O88.97N O 26.5 N O ON 98.3 N