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## Practice Test

by: Bridget Notetaker

33

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6

# Practice Test PHYS 101 001

Bridget Notetaker
USI

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This covers About Science, Newton's Laws, Linear Motion, and Momentum
COURSE
Intro to physics
PROF.
Scheller
TYPE
Study Guide
PAGES
6
WORDS
CONCEPTS
Physics, Math
KARMA
50 ?

## Popular in Department

This 6 page Study Guide was uploaded by Bridget Notetaker on Thursday May 12, 2016. The Study Guide belongs to PHYS 101 001 at University of Southern Indiana taught by Scheller in Spring 2016. Since its upload, it has received 33 views.

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Date Created: 05/12/16
Practice  Test Thursday,   May  12,  20168:36   PM Which  of  these  terms  describes   to  us  HOW  nature  behaves? A) Hypothesis        B)      Theory          C)  Validation      D)  Law        E)  Experiment How  do  you  write  the  number   3.56  x  10^4  in  regular  notation? A) 0.0356      B)        35.6        C)    3560        D)      356,000        E)      35,600 How  do  you  write  the  number   .0000567   in  scientific  notation? A) 5.67  x  1-­‐5      B)  4        C) 3          D-2‐^     5.67  x  10 If  there  are  39.37   inches   in  1  meter,  how   any  feet  are  in  a  5000  m  run? A) 164            B)    1640        C)    16400        D)    164000 The  speed  of  light  is  3  x  10^8  meters/second.   If  there  are  1609  meters  in  a  mile,  how   fast  is  this  in  miles/hour? A) 6.71  x  10^8        B)    6.71  x  10^7        C)    1.34  x  10^8        D)    1.34  x  10^7 Objects   stay  at  rest  or  in  uniform,   linear  motion   if  _______? A) No  momentum   exists B) No  forces  exist C) No  mass  exists D) No  net  forces   exist Vector  and  scalar  quantities   differ   in  that  scalars   only   have  ______? A) Direction          B)  Magnitude      C)    Mass        D)    Reaction I  drop   my  sister   off  the  top  of  a  building,   3  seconds   after  I  drop  her  she's   going  ____? A) 10  m/s            B)    30  m/s        C)    60  m/s        D)    45  m/s If  the  velocity   of  an  object  is  constant,   then  its  acceleration   must  be A) Continually   changing  by  the  same  amount   each  second B) Decreasing   C) Increasing D) Zero   If  my  sister   slides   2  meters  across   our  frozen   pond   in  the  first  second,   2  meters   in  the   second   second,   and  two  meters    in  the  third  second,   her  acceleration   must  be   B) Decreasing   C) Increasing D) Zero   If  my  sister   slides   2  meters  across   our  frozen   pond   in  the  first  second,   2  meters   in  the   second   second,   and  two  meters    in  the  third  second,   her  acceleration   must  be   _____m/s^2 A) 2            B)    6            C)    0            D)    10 If  my  sister   is  somehow   dropped   off  a  skyscraper   245  m  high,  how   long  will  it  take  for   her  to  hit  the  ground? A) 24.5  s        B)    10  s        C)    9  s          D)    7  s Starting  from  rest,  my  truck  can  reach  60  m/s  in  5  sec.  What  is  my  truck's   acceleration? A) 10  m/s^2      B)    300  m/s^2      C)    12  m/s^2      D)    150  m/s^2 I  build   a  big  cannon   that  propels   my  sister  45  m  straight  up.   What  is  her  total  time  in   the  air  when  I  shoot  her? A) 9  seconds      B)    4.5  seconds      C)    3  seconds      D)    6  seconds   Which  of  the  following   is  not  a  vector  quantity?   A) Velocity      B)    Speed        C)    Acceleration      D)    None  of  the  above I  dug  a  well  that  is  80  m  deep   in  my  backyard.   When  I  drop  my  sister   into  it,  how  long   until  she  hits  the  bottom? A) 8  s            B)    6  s              C)    4  s              D)    Not  enough   information During  the  kickoff   at  the  super  bowl,   the  kicker  strikes  the  ball  at  an  angle  of  45   degrees   above  the  horizontal.   As  the  ball  rises  to  its  highest   point   its  vertical   acceleration A) Increases        B)    Remains   unchanged          C)    Decreases What  does  your  speedometer   on  your  car  read? A) Average  speed          B)    Instantaneous   speed        C)    Accelerated   velocity   As  I'm  driving   along  in  my  Silverado,   I  set  my  cruise  control   to  a  constant   speed   of  80   mph.   During  this  time  my  acceleration   must   be A) Be  constant  also B) Change   by  the  same  amount   each  second C) Change   by  varying   amounts   depending   on  its  speed D) Be  zero I  build   a  big  slingshot   and  put  my  sister   in  it.  It  fires   her  off  of  a  building   that  is  45  m   A) Be  constant  also B) Change   by  the  same  amount   each  second C) Change   by  varying   amounts   depending   on  its  speed D) Be  zero I  build   a  big  slingshot   and  put  my  sister   in  it.  It  fires   her  off  of  a  building   that  is  45  m   high  with  a  horizontal   velocity   of  20  m/s.   When  she  hits  the  ground,   how   far  from  the   building   is  she? A) 15  m        B)    20  m        C)    45  m          D)    60  m   A  cruise  ship   coasts   into  the  dock   with  considerable   momentum.   If  its  mass  didn't   change  but  its  speed  was  reduced  by  half,  its  momentum   will  be   A) Zero        B)    Doubled      C)    Quadrupled      D)    Halved   My  200  kg  sister  is  moving   with  a  momentum   of  600  kg/s.   How  fast  must   she  be   moving? A) 3  m/s          B)    .333   m/s          C)    120,000   m/s            D)    0  m/s A  cannon   recoils   while   firing  a  cannonball.   The  speed   of  the  cannon's   recoil  is   relatively  small  because  the   A) Force  against  the  cannon   is  smaller   than  against  the  ball B) Momentum   is  mainly   concentrated   in  the  cannonball   C) Cannon   has  much  more   mass  than  the  cannonball D) Momentum   of  the  cannon   is  smaller If  an  impulse   is  applied   to  an  object,   it  will  experience A) An  increase   in  its  mass B) A  change  in  momentum   C) No  net  force D) Zero  momentum My  200  kg  sister  runs   at  3  m/s  towards   a  100  kg  Twinkie   that  is  at  rest  to  capture  it  for   lunch.   After  she  grabs  the  Twinkie,   the  two  move  forward  at A) 3  m/s        B)    2  m/s        C)    1  m/s        D)  0  m/s A  100  kg  linebacker   is  running   at  4  m/s   towards   a  100  kg  person   that  is  running   towards  the  linebacker   at  4  m/s  also.  What  is  the  combined   momentum   of  the   system? A) 800  kg  m/s      B)    400  kg  m/s      C)    200  kg  m/s      D)  0  kg  m/s A  1000  kg  car  moving   at  6  m/s  strikes   a  500  kg  car  at  rest.  The  two  stick  together  and   move   with  a  velocity   of   A) 6  m/s      B)    0  m/s      C)    5  m/s      D)    4  m/s A  kilogram   is  a  measure   of A  1000  kg  car  moving   at  6  m/s  strikes   a  500  kg  car  at  rest.  The  two  stick  together  and   move   with  a  velocity   of   A) 6  m/s      B)    0  m/s      C)    5  m/s      D)    4  m/s A  kilogram   is  a  measure   of A) Momentum   B) Force C) Mass D) Gravity An  object   stays  at  rest  or  in  a  state  of  constant   motion   because   it  has A) Acceleration B) Weight C) Inertia   D) Speed   A  10  kg  brick  and  a  1  kg  book   are  dropped   in  a  vacuum.   The  force  of  gravity  on  the  1   kg  book   is A) The  same  as  the  force  on  the  10  kg  brick B) 1/10  as  much   as  the  force  on  the  10  kg  brick C) Zero You  have  a  mass  of  60  kg  and  you  jump  out  of  a  plane  where  200  N  of  wind  resistance   acts  against  your  fall.  You  _____ A) Weigh  60  N  and  have  a  net  force  on  you  of  400  N B) Weigh  600  N  and  have  a  net  force  on  you  of  400  N C) Weigh  60  N  and  have  a  net  force  on  you  of  800  N   D) Weigh  600  N  and  have  a  net  force  on  you  of  800  N A  bulldozer   pushes   a  pile  of  rocks   with  a  force  of  5000  N  and  it  accelerates   at  2  m/s^2.   The  mass  of  the  rocks  is A) 500  kg      B)    1000  kg      C)    1500  kg      D)  2500  kg   A  person   is  attracted  toward  the  center  of  the  earth  by  a  500  N  gravitational   force.   The  force  of  attraction  of  the  earth  toward  the  person   is A) 500  N      B)  Very  very  large      C)    Very  very  small      D)  0  N   A  car  traveling   at  100  km/hr   strikes   an  unfortunate   bug  and  splatters   it.  The  resulting   acceleration   is  greatest  on  the   A) Bug        B)    Car      C)  Same  for  both   A  car  traveling   at  100  km/hr   strikes   an  unfortunate   bug  and  splatters   it.  The  resulting   acceleration   is  greatest  on  the   A) Bug        B)    Car      C)  Same  for  both   ANSWERS   IN  ORDER D E A C A D B B D C D C D B C B B D D D A C B B D D C C B B D A A A A

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