Unformatted text preview: ,/j. 3. A ball is rolled horizontally off a table with an initial speed of 2. 4 m/s. A stop watch
measures the ball’s trajectory time from table to ﬂoor to be 0.30 s. a. How far away from the bottom of the table does the ball land?
‘ b. How high is the table top above the ﬂoor?
c. What IS the speed of the ball just before it hits the floor? mm... “WMNM aaaaa aD= 514% 2Lumtsoa>~t012mira12g$2:% WM- mag." i bat. éarﬂiﬁi 4 An airplane has a speed of 225 mi/h at an altitude of 1200 ft. The airplane 1s diving at
an angle of 20 degrees below the horizontal when a relief package 1s released.
(Note. g: 32.2 ft/s2 in English units) 2 a: : How long is the package in the air?
b. What is the horizontal distance from the release point to the impact point on the
0. What is the speed of the package just before it hits the ground? —\Lo ngmr Ham (:3 49 V0316 t“): w 534““...me 8. «1a.. Nw' b horizontal Clieiaﬂai C 2 5,3] ; 330L530CCOSZC): to 300226
Vx = \I C088 _.._W . _, Q C. V = 334300390 station/S ...
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- Fall '08