Homework Help: PHYSICS

Posted by applebottom on Sunday, November 21, 2010 at 1:16pm.

(1 pt) An aricraft carrier has a mass of 8.9 x10^7kg and can cruise at 55 km/h.
a) What is the work required to stop it?
J

b) What constant force could stop it in 6 km?
N

a) If only half of the work required to stop it is done, what is its final speed?
km/h

PHYSICS - M, Wednesday, November 24, 2010 at 10:00pm
is this from a webwork?
PHYSICS - ABOOD KING, Saturday, December 17, 2011 at 12:55pm
i d not know

lol
PHYSICS - ABOOD KING, Saturday, December 17, 2011 at 12:57pm
i have the same quickly

plz we neeeeeeeeeeeeeeeed help
PHYSICS - Jesus, Thursday, November 22, 2012 at 4:18pm
a) convert km/h to m/s, use 1/2mv^2
b) divide a) by (the distance in meters)
c) divide the answer in a) in half and isolate v
PHYSICS - Jesus, Thursday, November 22, 2012 at 4:21pm
for c) you can just directly calculate 1/2mv^2 without converting to m/s, divide the energy and then isolate v

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