Question
an egg is thrown directly upward so that it remains in the air for 10 seconds.what is the initial velocity of the egg?
Answers
Damon
well, let's do the first half of the problem, upward, symmetrical velocity profile during fall
g = -9.81 m/s^2
v = Vi - g t
v = Vi - 9.81 t
v = 0 at top in 5 seconds
0 = Vi - 9.81(5)
Vi = 49 m/s
g = -9.81 m/s^2
v = Vi - g t
v = Vi - 9.81 t
v = 0 at top in 5 seconds
0 = Vi - 9.81(5)
Vi = 49 m/s