Infinity Phoenix
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A. A force of 25.0 N is required to start a 3.0 kg box moving across a horizontal concrete floor.
(a) What is the coefficient of static friction between the box and the floor?
(b) If the 25.0 N force continues, the box accelerates at 0.50 m/s2. What is the coefficient of kinetic friction?
B. The carton lies on a plane tilted at an angle θ = 26.0° to the horizontal, with µk = 0.27.
(a) Determine the acceleration of the carton as it slides down the plane.
(b) If the carton starts from rest 9.00 m up the plane from its base, what will be the carton's speed when it reaches the bottom of the incline?
(a) What is the coefficient of static friction between the box and the floor?
(b) If the 25.0 N force continues, the box accelerates at 0.50 m/s2. What is the coefficient of kinetic friction?
B. The carton lies on a plane tilted at an angle θ = 26.0° to the horizontal, with µk = 0.27.
(a) Determine the acceleration of the carton as it slides down the plane.
(b) If the carton starts from rest 9.00 m up the plane from its base, what will be the carton's speed when it reaches the bottom of the incline?