College Physics
11th Edition
ISBN: 9781305952300
Author: Raymond A. Serway, Chris Vuille
Publisher: Cengage Learning
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Transcribed Image Text:Problem 9: (10% of Assignment Value)
A gymnast with a mass of 59.4 kg jumps on a trampoline.
What force, in newtons, must the trampoline apply to achieve a directly upward acceleration of 7.21 m/s² .?
F = ||
N
sin()
cos()
tan()
Π
(7
8
9
HOME
cotan()
asin()
acos()
E
^^^
4 5
6
atan() acotan()
sinh()
*
1
2
3
←
cosh()
tanh()
Degrees Radians
cotanh()
+
-
0
END
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Transcribed Image Text:Problem 9: (10% of Assignment Value)
A gymnast with a mass of 59.4 kg jumps on a trampoline.
What force, in newtons, must the trampoline apply to achieve a directly upward acceleration of 7.21 m/s² .?
F = ||
N
sin()
cos()
tan()
Π
(7
8
9
HOME
cotan()
asin()
acos()
E
^^^
4 5
6
atan() acotan()
sinh()
*
1
2
3
←
cosh()
tanh()
Degrees Radians
cotanh()
+
-
0
END
VO BACKSPACE
DEL CLEAR
Submit
Hint
10 Submission(s) Remaining
Feedback
I give up!
Hints: 1% deduction per hint. Hints remaining:
Submission History
Feedback: 1% deduction per feedback.
All Date times are displayed in Eastern Standard Time Red submission date times indicate late work.
Date
Time
Answer
Hints
Feedback
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- A body of mass m is attracted toward a 11.1 kg mass, 31.5 cm away, with a force of magnitude 6.60 10-8 N. Find m. can you also add the units!arrow_forward1. Multiplication or division: keep the same number of significant figures in the product or quotient as is in the least precise factor. Examples: 3.1 * 25.6=79.360000... = 79 6.7/981.0=0.0068297655... = 0.0068 keep only 2 significant digits 2. Powers or roots: keep the same number of significant figures as in the original number. Example: Sqrt(38) 6.164414... keep only 2 significant digits = 6.2 (11.6)² = 134.5600000... = 135 Exercises 3. Addition or subtraction: Round off, to the number of decimal places determined by the number with the least number of places beyond the decimal point. Example: 31.5+24.61 +3.28+1.19 +0.762 +0.003 = 61.345 1. 3.9 * 78.9= = 61.3 (correct result) 2. 32.01 +96.321 +36.98 +0.00023 +28.9= 3. 26.9/98 = 4. 421 0.003 =arrow_forwardA girl weighing 45kg is standing on the floor, exerting a downward force of 200N on the floor. The force exerted on her by the floor isarrow_forward
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