Physics, 25.08.2019 20:00 ayoismeisjuam
Afullback having a mass of 9.0x10^1 kg is running at 4.5 m/s [e]. he is hit by a linebacker and 1.2 s later is moving backwards at 1.5 m/s [w].find:
a) the impulse imparted to the fullback b) the average force exerted on the fullback by the linebacker
my work: impulse is p so p= p2-p2 p=m2v2-m1v1 but its all wrong because the answer is 5.4 x 10^2 kg. m/s [w] apparently. !
Answers: 1
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Afullback having a mass of 9.0x10^1 kg is running at 4.5 m/s [e]. he is hit by a linebacker and 1.2...
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