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Physics 111 Test 1 Questions And Answers 100% Guaranteed Success. Which .is .not .a .fundamental .dimension .for .mechanics? . A. .mass. B. .time. C. .length. D. .velocity .- .correct .answer. . . . .D A .millimeter .(mm) .is A. .103 .m. . B. .10 .m. C. .10−3 .m. .D. .10−4 ...

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  • August 23, 2024
  • 7
  • 2024/2025
  • Exam (elaborations)
  • Questions & answers

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  • physics 111 test 1 questions and answers 100 g
  • which is not a fundamental dimension for mechanics
  • in the expression f ma where f m lt
  • which result for 21 m343 m2442 m2 has the

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Physics 111 Test 1 Questions And Answers
100% Guaranteed Success.

Which .is .not .a .fundamental .dimension .for .mechanics? .
A. .mass.
B. .time.
C. .length.
D. .velocity .- .correct .answer. . . . .D

A .millimeter .(mm) .is
A. .103 .m. .
B. .10 .m.
C. .10−3 .m.
.D. .10−4 .m .- .correct .answer. . . . .C




In .the .expression .F .= .ma, .where .[F] .= .[M] .∗ .[L]/[T2] .and .[m] .= .[M], .the .dimensions .of .a .are
A. .[L]/[T]. .
B. .1/[T].
C. .[T2]/[L]. .
D. .[L]/[T2]. .- .correct .answer. . . . .D

Which .result .for .(2.1 .m)(3.43 .m)+2.442 .m2 .has .the .correct .number .of .significant .figures?
A. .9.648 .m2. .
B. .9.64 .m2.
C. .9.6 .m2. .
D. .9 .m2 .- .correct .answer. . . . .C...

The .distance .to .the .Sun .from .the .Earth .is .93 .million .miles. .What .is .the .distance .in .SI
.units? .- .correct .answer. . . . .




A .circular .cylinder .of .height .and .diameter .39.17 .mm .has .a .mass .of .1 .kilogram. .What .is .its
.density .(mass .per .unit .volume)? .- .correct .answer. . . . .




Which .of .the .following .is .not .needed .to .specify .a .coordinate .axis .in .a .graph?

, A. .origin.
B. .direction .arrow.
C. .scale.
D. .lunar .phase. .- .correct .answer. . . . .D

The .sign .of .a .displacement .has .no .meaning.
T. .true.
F. .false. .- .correct .answer. . . . .False

The .SI .unit .m/s2 .corresponds .to .
A. .velocity.
B. .acceleration.
C. .force.
D. .angular .momentum. .- .correct .answer. . . . .B

The .(instantaneous) .acceleration .is .obtained .as .the .slope .of .the .line .tangent .to .the
.A. .position .vs .time .curve.

B. .acceleration .vs .time .curve.
C. .velocity .vs .position .curve. .
D. .velocity .vs .time .curve. .- .correct .answer. . . . .D

The .sign .of .the .speed .has .meaning. .
T. .true.
F. .false. .- .correct .answer. . . . .False

The .acceleration .during .free .fall .is .always .positive. .
T. .true.
F. .false. .- .correct .answer. . . . .False

The .formula .vf2 .= .vi2 .+ .2a(xf .− .xi) .is .useful .when
A. .the .time .interval .is .needed. .
B. .the .displacement .is .given.
C. .the .acceleration .is .not .constant. .
D. .none .of .these. .- .correct .answer. . . . .B

Under .constant .acceleration, .x(t) .is .parabolic. .If .the .parabola .opens .in .the .direction .of
.positive .x,

A. .the .velocity .is .positive. .
B. .the .velocity .is .negative.
C. .the .acceleration .is .positive. .
D. .the .acceleration .is .negative. .- .correct .answer. . . . .C...

Which .of .the .following .is .independent .of .the .choice .of .coordinates? .(Pick .all .that .apply.)
A. .vector .components. .
B. .vector .angle.
C. .vector .magnitude. .

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