• Calculate the momentum in (kilogramsmeters/second) for the following: • A 1500 kg parked car • A 20 kg toddler sliding on a slide 2 m/s to the SW • A 1500 kg car going 90 mi/hour on the freeway • If my momentum was 172 kgm/s to the south and my mass is 86 kg, what is my velocity? • Calculate the force of impact, in Newtons, from the impulse equation F * t = m(vf-vi) where a 1100 kg car was driving 40.2 m/s to 0 m/s in 0.25 s. The road was icy so ignore friction. • Calculate the Impulse of a 50 N punch lasting 0.25 s • Try it again for the same punch that takes 0.5 s • Using W = F * d where F is the magnitude of the force and d is distance use F = ma and Work = Fd to calculate the acceleration of a 1.25 kg book that’s pushed across a table of 1 meter with the total work done of 3 Nm • Physics in fitness: Remember the arc length formula we used for a lever? d = pr * (?/180) where ? is the angle of the part of the circle i
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