What was the arrows initial speed

Reference no: EM1363839

Q. You shoot an arrow into the air. Two seconds later (2.00 {rm s}) the arrow has gone straight upward to a height of 31.0 m above its launch point. What was the arrow's initial speed?

Q. A small sphere with a mass of 2.00×10^-3g and carrying a charge of 4.80×10^-8C hangs from a thread near a very large, charged insulating sheet. The charge density on the sheet is -2.90×10^-9C/m^2 .

Reference no: EM1363839

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