test0413 - Page 3 11. A bullet is fired with a certain...

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Unformatted text preview: Page 3 11. A bullet is fired with a certain velocity at an angle 8 above the horizontal at a location where g = 10.0 m/s2. The initial x and y components of its velocity are 86.6 m/s and 50 m/s respectively. What is the initial velocity of the bullet? a. 86.6 m/s 7 2 ( b. 50 m/s X&:. f So 2. =C c7 c. 36.6 m/s 100 m/s c So 9{ ~ f'/S I/o @ 0/j Vo1 = j '!t.6 JVoJr.1-t 110; V /00 - Mis 12. 1 2 3 4 t a. Choice Choice c. Choice d. Choice ® 13 . A [) o -/0 -(;, C7 o 1 2 3 4 2 g ~ '2 -8 In a relay race, runner A is carrying the baton and has a speed of 3.0 m/s. When he is 25 m behind the starting line, runner B starts from rest and accelerates at 0.10 m/s2. How long afterwards will A catch up with B to pass the baton to B? A:-_.:s;;.. ---r ® C. d. 'VAo.=. ~oss 50 s never A VA~ :5P"'/s, '{DO "'O! catches Vg~ up '7 (/ a~ =(), s , to i",/J J.- eas t west eas t west M.::- --" fv1 /.J 0 II / . 1"1 (' ~ -+ tV .: ( ;; - - - 3. {:J 4.0 - J. 0 tV! « N = 3.0 m points westward. /l )< -:; ) ;\ 15. A stone is thrown with an initial velocity of the stone is constant and has the value velocity of the stone after 0.50 s? 02.1 m/s b. 4.9 m/s C. 11. 9 m/s bd. -4.9 m/s /, 0 fY'I <Po J1- ~ of +7.0 m/s. The acceleration of -9.8 m/s2. What is the v,,;.:- 7, (.llt/ 7 J t3 b t Ib<.u) \ 14. Vector M = 4.0 m points eastward and vector The resultant vector M + N is given by a. 7 m b. 7 m (CJ 1 m d. 1 m IO~ l'Xo-lL-;~Y ~ (11(0, r) 2. /'~!J ...
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