Can Anyone Tell Me Where This Equation Came From? T = 2u / G ...

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Questions Courses Can anyone tell me where this equation came from? t = 2u / g. .... t =time, u = initial velocity, g. 1 answer below »

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Can anyone tell me where this equation came from? t = 2u / g..... t =time, u = initial velocity, g = gravity acceleration Question: I throw a cricket ball as hard as I can upwards and find that it takes 3.8s to return to the ground. Estimate the throwing speed. Answer: Use constant acceleration equation model Neglecting my height: h = u t - (1/2)gt2..... one of the equation when constant acceleration Factorizing: h = 0 when t = 0(throw)and t = 2u /g t = 3.8s, g = 9.81ms-2 So u = tg / 2 = (3.8s * 9.81ms-2) / 2 =18.6ms-1...... answer ------------------------------------------------- My question: Where does t = 2u / g come from?

1 Approved Answer

Priyal g answered on July 16, 2021 4 Ratings (4 Votes)

Answer is in the... solution.pdf

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