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Unformatted text preview: PHY 2 3 1 Pra c tic e fo r Te st I 1 A. Multiple (T )rue/ (F )a lse Q uestio n s [20 pts. (2 pts. each)] For each of the statem ents reg ard ing the lead ing statem ent, c irc le whether the statem ent is tru e or false. (There m ay be any nu m ber of tru e (or false) responses for each lead ing statem ent. E ach T/ F response is worth 2 points. N o partial c red it will be award ed for an inc orrec t response.) If any T/ F response takes you long er than abou t a m inu te, m ove on, and c om e back to it later. Pac e you rself. 1. An objec t u nd erg oes one-d im ensional m otion, bu t n o t n ec essa rily with c onstant ac c el- eration. T or F For one-d im ensional m otion, there is no d istinc tion between veloc ity and speed . T or F If the instantaneou s veloc ity eq u als z ero at a partic u lar instant of tim e, then the instantaneou s ac c eleration also eq u als z ero at that sam e instant. T or F If the averag e ac c eleration d u ring som e tim e interval is z ero, then the veloc ity is c onstant at all tim es d u ring that interval. 2. A ball is thrown from the top of a c liff at a 3 0 ◦ ang le above the horiz ontal, and later strikes the g rou nd . N eg lec t air resistanc e. T or F W hen the ball reaches its m ax im u m heig ht, its speed is z ero. T or F W hen the ball reaches its m ax im u m heig ht, the ac c eleration is z ero. T or F W hen the ball retu rns to the orig inal heig ht from which it thrown, its speed is eq u al to the initial speed with which it was thrown....
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This note was uploaded on 11/16/2010 for the course PHY 231 taught by Professor Ellis during the Spring '08 term at Kentucky.
- Spring '08