Physics, 13.04.2021 19:50 keke6361

Please help ASAP A uniform disk of mass M and radius R is pivoted such that it can rotate freely about a horizontal axis through its center and perpendicular to the plane of the disk. A small particle of mass m is attached to the rim of the disk at the top directly above the pivot. The system is given a gentle start, and the disk begins to rotate. (a) What is the angular velocity of the disk when the particle is at its lowest point? (b) at this point, what force must be exerted on the particle by the disk to keep it on the disk?

Answers: 1

Show answers

Other questions on the subject: Physics

Physics, 21.06.2019 17:30, jazzy2742

Sara is creating an experiment. her hypothesis states the following. if i increase the air in my tires, then i will get better gas mileage. if this is her hypothesis what column titles do we need in our date table? a. air pressure in tire (psi) and gas mileage (mph) b. air pressure in the atmosphere (psi) and gas mileage (mph) c. miles (m) and gallons per mile (g) d. old battery and new battery

Answers: 2

continue

Physics, 21.06.2019 19:30, limelight11

Molten iron fills a mould, which has a volume of 200 cm cubed. calculate the volume when the iron cools and solidifies.

Answers: 3

continue

Physics, 22.06.2019 11:00, natalieburnett82

Marcella is a four-year-old girl who is a victim of emotional child abuse. based on the child and family services improvement and innovation act of 2011, which action should the government take for marcella? a. the state should arrest marcella’s abuser. b. the state should find a home for marcella as soon as possible. c. the state should enforce stricter laws in the area where marcella resides. d. the state should provide medical assistance to marcella.

Answers: 3

continue

Physics, 22.06.2019 18:30, kennettahughley7964

Daughter element the new element produced along with a decay particle in a nuclear transmutation 2. half-life the substance that decays in a nuclear transmutation 3. parent element the change of one chemical element into another by nuclear decay or radioactive bombardment 4. transmutation the time required for the decay of one-half of the atoms in a sample of radioactive material

Answers: 2

continue

You know the right answer?

Please help ASAP A uniform disk of mass M and radius R is pivoted such that it can rotate freely ab...