BMAT2019Q23.pdf (65,0,KB)
Hi!
Momentum = m*velocity = 400 X 15 = 6000 kg m/s
Acceleration = (final velocity - initial velocity)/t = 15-0/12 = 1,25 ms^-2
1 nozzle = 400kg
BUT WE HAVE 2 NOZZLES = 800kg
F=ma= 800 X 1,25=1000N
The trap is calculating the momentum for 1 nozzle and force of combined nozzles
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Thanks so much Juliette!
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