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Problem: A sphere of radius 4.34 cm and a spherical shell of radius 6.72 cm are rolling without slipping along the same floor. The two objects have the same mass. If they are to have the same total kinetic energy,
Part A: What should the ratio of the sphere\'s angular speed to the spherical shell\'s angular speed be?
I want help to find the ratio of the sphere\'s angular speed to the spherical shell\'s angular speed.
A small button placed on a horizontal rotating platform withdiameter 0.310 m will revolve with theplatform when it is brought up to a speed of 35.0 rev/min, provided the button is no more than0.128 m from the axis.
A child and sled with a combined mass of 47.0 kg slide down a frictionless slope. If the sled starts from rest and has a speed of 2.70 m/s at the bottom, what is the height of the hill
Your friend can barely lift a 36-kg concrete block on Earth. How massive a block could she lift on the Mercury
A 0.080 T magnetic field is perpendicular to a circular loop of wire with 100 turns and radius 30cm. what is the magnitude of the induced emf
Some sliding rocks approach the base of a hill with a speed of 15.0m/s . The hill rises at 42.0? above the horizontal, Find the acceleration of the rocks as they slide up the hill
An 875.0-kg compact car speeds up from 22.0 m/s to 44.0 m/s while passing another car. How much work is done on the car to increase its speed
Violet light and red light travel through air and strike a block of plastic at the same angle of incidence. Find the index of refraciton for violet light in plastic
A cart with mass 380 g moving on a frictionless linear air track at an initial speed of 0.9 m/s undergoes an elastic collision with an initially stationary cart of unknown mass. After the collision, the first cart continues in its original direction ..
A 62- kg gymnast stretches a vertical spring by 0.52 m when she hangs from it. How much energy is stored in the spring
A 75 kg patient swallows a 30 micro Ci beta emitter wtih a half life of 5 days. The beta partiles are emitted with an average energy of .35MeV. What dose equivalent does the patient recieve
A molecule of DNA (deoxyribonucleic acid) is 2.28 µm long. The ends of the molecule become singly ionized: negative on one end, positive on the other. Determine the effective spring constant of the molecule
In a movie, Tarzan evades his captors by hiding underwater for manyminutes while breathing through a long, thin reed. calculate the deepest he could have been
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