Asked by maria
somebody please help me find the solution totally lost....
An object of mass 100g is thrown vertically upward from a point 60cm above the earths surface with an initial velocity of 150cm/sec. It rises briefly and then falls vertically to the earth, all of which time it is acted on by air resistance that is numerically equal to 200v (in dynes), where v is the velocity (in cm/sec).
a) find the velocity 0.1sec after the object is thrown.
b)find the velocity 0.1sec after the object stops rising and start falling.
An object of mass 100g is thrown vertically upward from a point 60cm above the earths surface with an initial velocity of 150cm/sec. It rises briefly and then falls vertically to the earth, all of which time it is acted on by air resistance that is numerically equal to 200v (in dynes), where v is the velocity (in cm/sec).
a) find the velocity 0.1sec after the object is thrown.
b)find the velocity 0.1sec after the object stops rising and start falling.
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