Asked by applebottom

(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
Answered by M
is this from a webwork?
Answered by ABOOD KING
i d not know

lol

Answered by ABOOD KING
i have the same quickly

plz we neeeeeeeeeeeeeeeed help
Answered by Jesus
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
Answered by Jesus
for c) you can just directly calculate 1/2mv^2 without converting to m/s, divide the energy and then isolate v
Answered by Anonymous
Someone help for c idont get it
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