asses ot use rounded intermediate values in your m2

University Physics Volume 1
18th Edition
ISBN:9781938168277
Author:William Moebs, Samuel J. Ling, Jeff Sanny
Publisher:William Moebs, Samuel J. Ling, Jeff Sanny
Chapter5: Newton's Law Of Motion
Section: Chapter Questions
Problem 30P: If the rocket sled shown in the previous problem starts with only one rocket burning, what is the...
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= 4.00 kg and m,
= 6.90 kg. The system accelerates with a magnitude of 1.18 m/s². The
A cord passing over a pulley connects two masses, as shown, where m,
coefficient of kinetic friction between the masses and the incline is the same for both masses. Assume the pulley is frictionless, and the cord is massless. (Due to
the nature of this problem, do not use rounded intermediate values in your calculations-including answers submitted in WebAssign.)
m2
m,
35.0°
35.0°
(a) What is the coefficient of kinetic friction?
0.16
Draw free-body diagrams for both blocks and write Newton's second-law equations in the x and y-directions. Condense your four equations into two by
substituting, and solve the system of two equations for the two unknowns,
and T.
(b) What is the tension (in N) in the cord?
21.78
Draw free-body diagrams for both blocks and write Newton's second-law equations in the x- and y-directions. Condense your four equations into two by
substituting, and solve the system of two equations for the two unknowns, µy and T. N
Transcribed Image Text:= 4.00 kg and m, = 6.90 kg. The system accelerates with a magnitude of 1.18 m/s². The A cord passing over a pulley connects two masses, as shown, where m, coefficient of kinetic friction between the masses and the incline is the same for both masses. Assume the pulley is frictionless, and the cord is massless. (Due to the nature of this problem, do not use rounded intermediate values in your calculations-including answers submitted in WebAssign.) m2 m, 35.0° 35.0° (a) What is the coefficient of kinetic friction? 0.16 Draw free-body diagrams for both blocks and write Newton's second-law equations in the x and y-directions. Condense your four equations into two by substituting, and solve the system of two equations for the two unknowns, and T. (b) What is the tension (in N) in the cord? 21.78 Draw free-body diagrams for both blocks and write Newton's second-law equations in the x- and y-directions. Condense your four equations into two by substituting, and solve the system of two equations for the two unknowns, µy and T. N
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