5. Consider the shown in the figure below. Block A weighs 45.0 N and block B weighs 25.0 N. Once block B is set into downward motion, it descends at a constant speed. (a) Calculate the coefficient of kinetic friction between block A and the tabletop. (b) A cat, also of weight 45.0 N, falls asleep on top of block A. If block B is now set into downward motion, what is its acceleration (magnitude and direction)? B
5. Consider the shown in the figure below. Block A weighs 45.0 N and block B weighs 25.0 N. Once block B is set into downward motion, it descends at a constant speed. (a) Calculate the coefficient of kinetic friction between block A and the tabletop. (b) A cat, also of weight 45.0 N, falls asleep on top of block A. If block B is now set into downward motion, what is its acceleration (magnitude and direction)? B
Principles of Physics: A Calculus-Based Text
5th Edition
ISBN:9781133104261
Author:Raymond A. Serway, John W. Jewett
Publisher:Raymond A. Serway, John W. Jewett
Chapter5: More Applications Of Newton’s Laws
Section: Chapter Questions
Problem 9P: A 3.00-kg block starts from rest at the top of a 30.0 incline and slides a distance of 2.00 m down...
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![5. Consider the shown in the figure below. Block A weighs 45.0 N and block B weighs 25.0 N. Once
block B is set into downward motion, it descends at a constant speed. (a) Calculate the coefficient
of kinetic friction between block A and the tabletop. (b) A cat, also of weight 45.0 N, falls asleep
on top of block A. If block B is now set into downward motion, what is its acceleration (magnitude
and direction)?
B
6. In the figure below. m₁ = 20.0kg and a = 53.1º. The coefficient of kinetic friction between the
block and the incline is = 0.40. What must be the mass of m₂ of the hanging block if it is to
descend 12.0 mn in the first 3.00 s?
m₁
m₂
7. Steve pushes a second stalled car with a steady force The F = 160Ni-40N) displacement of the
car is 5 = 14mi + 11mj How much work does Steve do in this case?](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fa89bbfa4-c7dd-4d51-95c6-e0faa7699a70%2F5fef3077-e6f3-4915-9772-96e97cec6cf4%2Fdlnvsuy_processed.jpeg&w=3840&q=75)
Transcribed Image Text:5. Consider the shown in the figure below. Block A weighs 45.0 N and block B weighs 25.0 N. Once
block B is set into downward motion, it descends at a constant speed. (a) Calculate the coefficient
of kinetic friction between block A and the tabletop. (b) A cat, also of weight 45.0 N, falls asleep
on top of block A. If block B is now set into downward motion, what is its acceleration (magnitude
and direction)?
B
6. In the figure below. m₁ = 20.0kg and a = 53.1º. The coefficient of kinetic friction between the
block and the incline is = 0.40. What must be the mass of m₂ of the hanging block if it is to
descend 12.0 mn in the first 3.00 s?
m₁
m₂
7. Steve pushes a second stalled car with a steady force The F = 160Ni-40N) displacement of the
car is 5 = 14mi + 11mj How much work does Steve do in this case?
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