Q1 consider a person of mass 72 kg what would his mass be

Reference no: EM13353809

Q1. Consider a person of mass 72 kg. What would his mass be if he was composed entirely of neutron-star material of density 3 times 10^{17}; {rm kg}/{rm m}^{3}? (Assume that his average density is 1000 {rm kg}/{rm m}^{3}.)

Q2. An archer puts a 0.26 kg arrow to the bowstring. An average force of 213 N is exerted to draw the string back 1.3 m. unless otherwise directed, suppose that air resistance is negligible. Illustrate energy bar graphs to solve the problem.

(a) Assume that all the energy goes into the arrow, with what speed does the arrow leave the bow?

(b) If the arrow is shot straight up, how high does it rise?

Reference no: EM13353809

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