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problem1ch12_011_0001

# problem1ch12_011_0001 - ‘12-24 At t = 0 bullet A is...

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Unformatted text preview: ‘12-24. At t = 0 bullet A is ﬁred vertically with an initial (munle) velocity of 450 m/s. When I = 3 s, bullet H is ﬁred upward with a muzzle velocity of 6m mils. Determine the time t, after A is ﬁred. as to when bullet t , B P8586 bullet A. At what altitude does this occur? *T '4 ' “0° + ("h t ’ 5‘ ' l .‘ = o + «0” 399.31)? 1 «4'1, = (h). ‘V “Dev" 5%? s, a o + soot: — 3) + éHmm-s)‘ me. =:. " «on-4.905? = «m- mo—uou‘+ amen-«14s A- la 10.33 3‘ = J. = ‘Jl h 5 III-25. A particle moves alert a strai t line with an n 3", ; acceleration of a = 5/03":I + s ’2) m/ , where s is in ( ﬂ ) meters. Determine the particle’s velocity when 5 = 2 m, ilit starts from rest when 3 s 1 m. Use Simpson’s rule to 0 4-" 'Vd" evaluate the integral. L213; :1!) a L' vdv 01351 . gt; vs 1.291111: A. 12-”. Ball A is released from rest at a height of 40 it at the same time that a second ball 8 is thrown upward 5 ft from the ground. If the balls pass one another at a height of 20 ft, determine the speed at which ball B was thrown upward. Full!!! 1: (+¢)s-s.+o.r+h" m-owdtsuﬁ 1-1.1146! ”hull: (+f).v- s. Mani-4,? [Sn-INu,(l.ll46)+§(—32.2)(l.1146)’ u, -si.4 m ...
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