If a baseball is 15 feet high when a stopwatch reads 3.2 seconds and 30 feet high when the stopwatch reads 3.6 seconds, what is its vertical speed (that is, rate of change of height )? Assume the speed is constant between 3.2 and 3.6 seconds on the stopwatch.

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A: Current(I)=140A Magneticfield(B)=5.10×10-5 T

Q: IJ 0

A: Hey, since there are multiple subparts  posted, we will answer first three subparts. If you want any…

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Q: 9. What is the clectric potential at P due to charges Q, and Qz? 1.0 m 0.50 m Q- 1.0 μC QQ-4.0 μC…

A: SOlution: gievn that Q1 = 1 micro C Q2 = 4 micro C r1 = 0.5 m r2 = 1 m