Problem 6: During service, a tennis ball is struck at height h = 1.8 m above a tennis court and moves with velocity vo = vori. Assume the ball encounters no air resistance, and use a Cartesian coordinate system with the origin located at the ball's initial position. Randomized Variables h = 1.8 m Vox = 29.5 m/s Part (a) Calculate the tennis ball's horizontal velocity, v in m/s, when it strikes the court. Numeric : A numeric value is expected and not an expression. Vfx = Part (b) How long, t,in seconds, does the tennis ball move before striking the court? Numeric : A numeric value is expected and not an expression. ケ= Part (c) How far horizontally from the service position, xf in meters, does the tennis ball move before striking the court? Numeric : A numeric value is expected and not an expression.

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Half Life

The concept of Half Life has numerous practical applications some of them includes figuring out the effective drug dosage to finding out when a radioactive becomes safe to use. If you look for a career in Nuclear Physics you will need this concept.