Unformatted text preview: ‘1224. 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) + éHmms)‘ me. =:.
" «on4.905? = «m mo—uou‘+ amen«14s A la 10.33 3‘ = J. = ‘Jl h 5
III25. 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:
(+¢)ss.+o.r+h"
mowdtsuﬁ 11.1146! ”hull: (+f).v s. Mani4,?
[SnINu,(l.ll46)+§(—32.2)(l.1146)’ u, si.4 m ...
View
Full Document
 Fall '08
 Hudyma
 Dynamics

Click to edit the document details