A locomotive of mass 21x103 kg travelling at 20ms runs into

A locomotive of mass 21X10^3 kg travelling at 2.0m/s runs into an identical stationary locomotive.

a) if the collision is perfectly inelastic, and the two trains lock together, what is their speed after the collision?

b) if the collision is perfectly inelastic, what fraction of the energy is lost after the collision?

c) if the collision is perfectly elastic, find the motion of the locomotives after the collision.

d) if the collision is perfectly elastic and lasts for 1.5s, find the average force exerted on the stationary locomotive during the collision.

Sketch the root locus for teh characteristic equations of : sketch the root locus for teh characteristic equations of the system for whichls s2 ss1s5and determine the value of

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Assume that the paired data came from a population that is : assume that the paired data came from a population that is normally distributed. using a 0.05 significance level find

A locomotive of mass 21x103 kg travelling at 20ms runs into : a locomotive of mass 21x103 kg travelling at 2.0ms runs into an identical stationary locomotive.a if the collision is

The ammonia is then cooled until its pressure drops to 10 : a constant-volume tank contains 10 lbm of ammonia initially at 30 lbfin2 and 80degf 539.67degr. the ammonia is then

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A solid aluminium sphere of emissivityepsilon is initially : a solid aluminium sphere of emissivityepsilon is initially at an elevated temperature and is cooled by placing it in