AP Physics Exam Questions with Answers
An |object |is |thrown |with |a |horizontal |velocity |of |20 |m/s |from |a |vertical |cliff |that |is |125 |m |
above |level |ground. |If |air |resistance |is |negligible, |the |time |that |it |takes |the |object |to |fall |to |the
|ground |from |the |cliff |is |most |nearly... |- |CORRECT |ANSWER✔✔-5 |seconds
An |object |at |ground |level |is |projected |outwards |with |a |speed |of |20 |m.s |at |an |angle |45 |
degrees |above |the |horizontal |over |level |ground. |What |is |true |of |it's |highest |point?
(a) |Its |velocity |is |zero |and |its |acceleration |is |directed |downwards
(b) |its |velocity |is |zero |and |its |acceleration |is |zero
(c) |its |velocity |is |horizontal |and |its |acceleration |is |directed |downwards
(e) |Its |velocity |is |vertical |and |its |acceleration |is |horizontal |- |CORRECT |ANSWER✔✔-C
An |object |at |ground |level |is |projected |outwards |with |a |speed |of |20 |m.s |at |an |angle |45 |
degrees |above |the |horizontal |over |level |ground. |Which |is |true |of |the |object |accretion? |
(a) |Its |acceleration |is |constant
(b) |its |initial |acceleration |is |upwards, |its |final |acceleration |is |downwards
(c) |Its |average |acceleration |is |zero
(d) |its |initial |acceleration |is |zero, |but |increases |downwards
(e) |its |initial |acceleration |is |opposite |its |final |acceleration |- |CORRECT |ANSWER✔✔-A
An |object |at |ground |level |is |projected |outwards |with |a |speed |of |20 |m.s |at |an |angle |45 |
degrees |above |the |horizontal |over |level |ground. |About |how |long |does |it |take |the |object |to |
reach |its |highest |point? |- |CORRECT |ANSWER✔✔-1.5 |seconds
, An |object |at |ground |level |is |projected |outwards |with |a |speed |of |20 |m.s |at |an |angle |45 |
degrees |above |the |horizontal |over |level |ground. |About |how |far |does |the |object |go? |- |
CORRECT |ANSWER✔✔-40 |meters.
An |object |at |ground |level |is |projected |outwards |with |a |speed |of |20 |m.s |at |an |angle |45 |
degrees |above |the |horizontal |over |level |ground. |What |is |the |object's |speed |just |before |it |
strikes |the |ground? |- |CORRECT |ANSWER✔✔-20 |m/s
Which |of |the |following |equations |is |true |if |acceleration |is |NOT |constant:
(a) |v=Δx/Δt
(b) |vf²=vo²+ |2(a)(Δx)
(c) |v=(vf+vo)/2
(d) |Δx=vot+(1/2)at²
(e) |all |of |the |above |are |true |for |non-constant |acceleration |- |CORRECT |ANSWER✔✔-v=Δx/Δt
An |object |is |thrown |with |a |horizontal |velocity |of |15 |m/s |from |a |vertical |cliff |that |is |250 |m |
above |level |ground. |If |air |resistance |is |negligible, |the |time |that |it |takes |the |object |to |fall |to |the
|ground |from |the |cliff |is |most |nearly... |- |CORRECT |ANSWER✔✔-7 |seconds
An |object |at |ground |level |is |projected |outwards |with |a |speed |of |20 |m/s |at |an |angle |of |45 |
degrees |above |the |horizontal |ground. |What |is |true |of |the |object |at |it |highest |point?
(a) |its |velocity |is |zero |and |its |acceleration |is |directed |downwards
(b) |its |velocity |is |zero |and |its |acceleration |is |zero
(c) |its |velocity |is |horizontal |and |its |acceleration |is |zero
(d) |its |velocity |is |horizontal |and |its |acceleration |is |directed |downwards
(e) |its |velocity |is |vertical |and |its |acceleration |is |horizontal |- |CORRECT |ANSWER✔✔-(d) |its |
velocity |is |horizontal |and |its |acceleration |is |directed |downwards
An |object |is |thrown |with |a |horizontal |velocity |of |20 |m/s |from |a |vertical |cliff |that |is |125 |m |
above |level |ground. |If |air |resistance |is |negligible, |the |time |that |it |takes |the |object |to |fall |to |the
|ground |from |the |cliff |is |most |nearly... |- |CORRECT |ANSWER✔✔-5 |seconds
An |object |at |ground |level |is |projected |outwards |with |a |speed |of |20 |m.s |at |an |angle |45 |
degrees |above |the |horizontal |over |level |ground. |What |is |true |of |it's |highest |point?
(a) |Its |velocity |is |zero |and |its |acceleration |is |directed |downwards
(b) |its |velocity |is |zero |and |its |acceleration |is |zero
(c) |its |velocity |is |horizontal |and |its |acceleration |is |directed |downwards
(e) |Its |velocity |is |vertical |and |its |acceleration |is |horizontal |- |CORRECT |ANSWER✔✔-C
An |object |at |ground |level |is |projected |outwards |with |a |speed |of |20 |m.s |at |an |angle |45 |
degrees |above |the |horizontal |over |level |ground. |Which |is |true |of |the |object |accretion? |
(a) |Its |acceleration |is |constant
(b) |its |initial |acceleration |is |upwards, |its |final |acceleration |is |downwards
(c) |Its |average |acceleration |is |zero
(d) |its |initial |acceleration |is |zero, |but |increases |downwards
(e) |its |initial |acceleration |is |opposite |its |final |acceleration |- |CORRECT |ANSWER✔✔-A
An |object |at |ground |level |is |projected |outwards |with |a |speed |of |20 |m.s |at |an |angle |45 |
degrees |above |the |horizontal |over |level |ground. |About |how |long |does |it |take |the |object |to |
reach |its |highest |point? |- |CORRECT |ANSWER✔✔-1.5 |seconds
, An |object |at |ground |level |is |projected |outwards |with |a |speed |of |20 |m.s |at |an |angle |45 |
degrees |above |the |horizontal |over |level |ground. |About |how |far |does |the |object |go? |- |
CORRECT |ANSWER✔✔-40 |meters.
An |object |at |ground |level |is |projected |outwards |with |a |speed |of |20 |m.s |at |an |angle |45 |
degrees |above |the |horizontal |over |level |ground. |What |is |the |object's |speed |just |before |it |
strikes |the |ground? |- |CORRECT |ANSWER✔✔-20 |m/s
Which |of |the |following |equations |is |true |if |acceleration |is |NOT |constant:
(a) |v=Δx/Δt
(b) |vf²=vo²+ |2(a)(Δx)
(c) |v=(vf+vo)/2
(d) |Δx=vot+(1/2)at²
(e) |all |of |the |above |are |true |for |non-constant |acceleration |- |CORRECT |ANSWER✔✔-v=Δx/Δt
An |object |is |thrown |with |a |horizontal |velocity |of |15 |m/s |from |a |vertical |cliff |that |is |250 |m |
above |level |ground. |If |air |resistance |is |negligible, |the |time |that |it |takes |the |object |to |fall |to |the
|ground |from |the |cliff |is |most |nearly... |- |CORRECT |ANSWER✔✔-7 |seconds
An |object |at |ground |level |is |projected |outwards |with |a |speed |of |20 |m/s |at |an |angle |of |45 |
degrees |above |the |horizontal |ground. |What |is |true |of |the |object |at |it |highest |point?
(a) |its |velocity |is |zero |and |its |acceleration |is |directed |downwards
(b) |its |velocity |is |zero |and |its |acceleration |is |zero
(c) |its |velocity |is |horizontal |and |its |acceleration |is |zero
(d) |its |velocity |is |horizontal |and |its |acceleration |is |directed |downwards
(e) |its |velocity |is |vertical |and |its |acceleration |is |horizontal |- |CORRECT |ANSWER✔✔-(d) |its |
velocity |is |horizontal |and |its |acceleration |is |directed |downwards
