Question

Determine the distance s to which the 90-kg painter can climb without causing the 4m ladder to slip at its lower end A. The top of the 15-kg ladder has a small roller, and at the ground the coefficient of static friction is 0.25. The mass center of the painter is directly above her feet.

Answer 1

Answer:

s = 2.55 m

Explanation:

step by step solution in image attached

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Answer 2

The mass center of the painter is directly above her feet is 2.5m.

• The term matter defines mass, and it measures matter.
• Mass is discovered from the different atoms and particles.
• Group, in simple terms, determines the weightage of the substance.
• Mass is expressed in the terms kilograms.
• Mass of the quantity is a much-needed thing in the laboratory.
• The quantity of the substance does the majority of the experiment.
• Gravity also takes place as an independent factor in calculating mass.
• Mass is the scalar quantity.
• Gravity and force are playing the independent factor in the mass.
• For calculating the two planet mass, know the force of the planet.
• Acceleration was the representation rate In a change of velocity because the acceleration always depends on the object's speed.
• Acceleration determines the rate of the particles.
• Acceleration is the vector quantity.

Therefore, mass center of the painter is directly above her feet is 2.5m.

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