APPLICATIONS Sr Acceleration due to gravity: When a steel ball is released down an inclined plane, the rate of the ball's acceleration depends on the angle of incline. The acceleration can be approximated by the formula A(0) = 9.8 sin 0, where 0 is in degrees and the acceleration is measured in meters per second/per second. To the nearest tenth of a degree, Wl fro ar %3D ar Vo S1 91. What angle produces an acceleration of 0 m/sec2 when the ball is released? Explain why this is reasonable. re fi 19 92. What angle produces an acceleration of 9.8 m/sec2? What does this tell you about acceleration due to gravity? tl i 93. What angle produces an acceieration of 5 m/sec2? Will the angle be larger or smaller for an acceleration of 4.5 m/sec2? 94. Will an angle producing an acceleration of 2.5 m/sec? be one-half the angle required for an acceleration of 5 m/sec2? Explore and discuss.

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APPLICATIONS
Sr
Acceleration due to gravity: When a steel ball is released
down an inclined plane, the rate of the ball's acceleration
depends on the angle of incline. The acceleration can be
approximated by the formula A(0) = 9.8 sin 0, where 0 is
in degrees and the acceleration is measured in meters per
second/per second. To the nearest tenth of a degree,
Wl
fro
ar
%3D
ar
Vo
S1
91. What angle produces an acceleration of 0 m/sec2
when the ball is released? Explain why this is
reasonable.
re
fi
19
92. What angle produces an acceleration of 9.8 m/sec2?
What does this tell you about acceleration due
to gravity?
tl
i
93. What angle produces an acceieration of 5 m/sec2?
Will the angle be larger or smaller for an
acceleration of 4.5 m/sec2?
94. Will an angle producing an acceleration of
2.5 m/sec? be one-half the angle required for an
acceleration of 5 m/sec2? Explore and discuss.
Transcribed Image Text:APPLICATIONS Sr Acceleration due to gravity: When a steel ball is released down an inclined plane, the rate of the ball's acceleration depends on the angle of incline. The acceleration can be approximated by the formula A(0) = 9.8 sin 0, where 0 is in degrees and the acceleration is measured in meters per second/per second. To the nearest tenth of a degree, Wl fro ar %3D ar Vo S1 91. What angle produces an acceleration of 0 m/sec2 when the ball is released? Explain why this is reasonable. re fi 19 92. What angle produces an acceleration of 9.8 m/sec2? What does this tell you about acceleration due to gravity? tl i 93. What angle produces an acceieration of 5 m/sec2? Will the angle be larger or smaller for an acceleration of 4.5 m/sec2? 94. Will an angle producing an acceleration of 2.5 m/sec? be one-half the angle required for an acceleration of 5 m/sec2? Explore and discuss.
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