Problem 4.12 Part A A 15.0 kg bucket is lowered vertically by a rope in which there is 177 N of tension at a given instant. What is the acceleration of the bucket? Express your answer using two significant figures. a = 12 m/$2 Submit Previous Answers Request Answer Incorrect; Try Again; 2 attempts remainingProblem 4.12 Part A A 12.0 kg bucket is lowered vertically by a rope in which there is 193 N of tension at a given instant. Determine the magnitude of the acceleration of the bucket. Express your answer to two significant figures and include the appropriate units. + 0 ( ] ? a = 16 N Submit Previous Answers Request Answer " Incorrect; Try Again; 2 attempts remainingProblem 4.56 Find the friction force impeding its motion. Express your answer to two significant figures and include the appropriate units. A 22.5-kg box is released on a 28 * incline and accelerates down the incline at 0.30 m/s? HA Ffr = Value Units Submit Request Answer Part B Determine the coefficient of kinetic friction. Express your answer using two significant figures. IVO ?Problem 4.59 S Submit Previous Answers Request Answer * Incorrect; Try Again; 2 attempts remaining m Part B If the crate starts from rest 8.50 m up along the plane from its base, what will be the crate's speed when it reaches the bottom of the incline? Express your answer to two significant figures and include the appropriate units.Problem 4.45 21 of 26 Review | Constants Part A Drag-race tires in contact with an asphalt surface have a very high coefficient of static friction. Assuming a constant acceleration and no slipping of tires, estimate the coefficient of static friction needed for a drag racer to cover 1.0 km in 13 s starting from rest. Express your answer using two significant figures. AEQ 02 ? Hs = 0.00092 Submit Previous Answers Request Answer * Incorrect; Try Again; 2 attempts remaining Provide Feedback Next >Problem 4.36 Part A If the coefficient of kinetic friction between a 27 kg crate and the floor is 0.36, what horizontal force is required to move the crate at a steady speed across the floor? Express your answer to two significant figures and include the appropriate units. ? F = Value Units Submit Request Answer Part B What horizontal force is required if /k is zero? Express your answer to two significant figures and include the appropriate units. HA ? F = Value UnitsProblem 5.10 Part A How large must the coefficient of static friction be between the tires and the road if a car is to round a level curve of radius 82 m at a speed of 93 km/h ? Express your answer using two significant figures. IVO AEd 5 0 0 0 ? Submit Request Answer Provide Feedback