(II) In a certain library the first shelf is 15.0 cm off the ground,and the remaining four shelves are each spaced 38.0 cmabove the previous one. If the average book has a mass of1.40 kg with a height of 22.0 cm, and an average shelf holds28 books (standing vertically), how much work is requiredto fill all the shelves, assuming the books are all laying flaton the floor to start?

Q: (a) What is the average useful power output (in W) of a person who does 5.00 x 106 J of useful work…

A:

Q: What would be the power output (in-hp) of a 1750kg car if it can acend to the top of a 285m high…

A: The expression of work- energy theorem,

Q: (a) What is the amount of force if a man stands on the top of mountain if he has mass of 86kg?

A: Given: The mass (m) of the man is 86 Kg. Introduction: When a man is standing still on any hill or…

Q: IF A FORCE OF 80 lb STRETCHES A 12ft SHRInk Ift. FIND THE word DONE IN STRETCHING T a) PROM 1zto…

A: Given, F=80 lb x= 1ft

Q: (II) A 75-kg skier grips a moving rope that is powered by an engine and is pulled at constant speed…

A: Given: Mass,m=75kgAngle,θ=230Distance,x=220mCoefficient of kinetic friction,μk=0.10Time,t=2min=120s…

Q: (`7)  A 85.5-kg person rides an elevator up one level, going up a total distance of 3.02 m.   How…

A: The work done(W) by a force 'F' acting on a body or an object, displacing it by a displacement 's'…

Q: A mass of 3.50kg is pushed through a distance of 10.8m along a frictionless table by a constant…

A: The work done by the force can be expressed as W=F·d

Q: How much work would be done in lifting the crate straight up the 1m distance?

A:

Q: (III) A block of mass m is attached to the end of a spring (spring stiffness constant k), Fig. 6–43.…

A: