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A solid cylindrical 10-kg roll of roofing paper with a radius of 15 cm, starting from rest rolls down a roof with a 20μ incline
A) If the cylinder rolls 4.0 m without slipping, what is the angular speed about its center when leaving the roof?
B) If the roof edge of the house is 6.0 m above level ground, how far from the edge of the roof does the cylindrical roll land?
you are asked to design a spring that will give a 1040 kg satellite a speed of 2.40 ms relative to an orbiting space
consider light that is refracted by a prism shaped like an equilateral triangle. the incident ray is parallel with the
A sled with mass 7.80 moves in a straight line on a frictionless horizontal surface. find the force acting on the sled
An 11.00 kg crate is placed on a horizontal conveyor belt. The materials are such that static friction = 0.47 and kinetic friction = 0.24.
You drive along highway and want to estimate your average speed. You notice a sign indicating that it is 260 miles to Boston. Estimate relative (percentage) uncertainties
Two particles are fixed to an x axis: particle 1 of charge -1.12 x 10-7 C is at the origin and particle 2 of charge +1.12 x 10-7 C is at x2 = 19.6 cm. What is the magnitude of the net electric field
What practical application can we expect from particle physics a century or two from now? What use can we make of quark-gluon plasmas or strange quarks? How can we harness W- and Z-bosons or the Higgs boson?
A series LR circuit consists of a 2.0-H inductor with negligible internal resistance, a 100-ohm resistor, an open switch, what is the maximum power delivered by the power supply
Starting from rest, two skaters "push off" against each other on smooth level ice, where friction is negligible. One is a woman and one is a man. find the recoil velocity of the man relative to the ice
A cord is used to lower verically a block of mass M a distance d at a constand downward acceleration of g/4. Find the work done by the cord on the block
A 40 kg child slides down a playground slide at a constant speed. The slide has a height of 3.6 m and is 7.6 m long. find the magnitude of the kinetic friction force acting on the child
A bullet is fired into a large stationary absorber and comes to rest. Temperature measurements of the absorber show that the bullet lost 2080 J of kinetic energy, What is the mass of the bullet
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