Maurice Tutor

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  • MCS,PHD
    Argosy University/ Phoniex University/
    Nov-2005 - Oct-2011

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  • Professor
    Phoniex University
    Oct-2001 - Nov-2016

Category > Engineering Posted 14 May 2018 My Price 4.00

surface-going projectile

1. A surface-going projectile is launched horizontally on the ocean from a stationary warship, with initial speed v0. Assume that its propulsion system has failed and it is slowed by a retarding force given by F(v) =Aeαv (a) Find its speed as a function of time, v(t). Find (b) the time elapsed and (c) the distance traveled when the projectile finally comes to rest. A and a are positive constants.

2. Assume that a water droplet falling though a humid atmosphere gathers up mass at a rate that is proportional to its cross-sectional area A. Assume that the droplet starts from rest and that its initial radius R0 is so small that it suffers no resistive force. Show that (a) its radius and (b) its speed increase linearly with time.

 

Answers

Maurice Tutor
(5)
Status NEW Posted 14 May 2018 02:05 PM My Price 4.00

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