During service, a tennis ball is struck at height h = 1.95 m above a tennis court and moves with velocity v0 = v0xi. Assume the ball encounters no air resistance, and use a Cartesian coordinate system with the origin located at the ball's initial position. Randomized Variablesh = 1.95 m v0x = 25.5 m/s Calculate the tennis ball’s horizontal velocity, vfx in m/s, when it strikes the court?

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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.