A block and sphere are connected by a cord that passes over a pulley as shown. Neglect friction and assume the cord is massless. Take m1 = 2.00 kg, m2 = 7.65 kg, and ? = 49.0°. A triangular structure is oriented such that its base rests upon a horizontal surface, its left side is perpendicular to its base, and its right side forms an incline of angle ?. A pulley is attached to the structure's apex. Two objects are connected by a cord that passes over the pulley. A circular object labeled m1 is attached to the to the left end of the cord and hangs freely. A rectangular object labeled m2 is attached to the end of the cord and rests upon the incline. (a) What are the magnitude of acceleration (in m/s2) of the block and sphere? _____m/s2 (b) What is the tension (in N) in the cord? (Enter the magnitude.) ____N (c) What is the speed (in m/s) of each object 2.25 s after being released from rest? ____m/s

Elements Of Electromagnetics
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Author:Sadiku, Matthew N. O.
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A block and sphere are connected by a cord that passes over a pulley as shown. Neglect friction and assume the cord is massless. Take
m1 = 2.00 kg,
m2 = 7.65 kg,
and
? = 49.0°.
A triangular structure is oriented such that its base rests upon a horizontal surface, its left side is perpendicular to its base, and its right side forms an incline of angle ?. A pulley is attached to the structure's apex. Two objects are connected by a cord that passes over the pulley.
  • A circular object labeled m1 is attached to the to the left end of the cord and hangs freely.
  • A rectangular object labeled m2 is attached to the end of the cord and rests upon the incline.
(a) What are the magnitude of acceleration (in m/s2) of the block and sphere?
_____m/s2
(b) What is the tension (in N) in the cord? (Enter the magnitude.)
____N
(c) What is the speed (in m/s) of each object 2.25 s after being released from rest?
____m/s
 
(d)What If? If the incline under m2 is rough, what is the minimum value of the coefficient of static friction
?for which the system will not move?
?s =

 

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What If? If the incline under m2 is rough, what is the minimum value of the coefficient of static friction ?for which the system will not move?
?s =
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