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A person is riding a bike, the wheels of a bike have an angular velocity of +18.5 rad/s. Then, the brakes are applied. Incoming to rest, each wheel makes an angular displacement of+16.0revolutions.
(a) How much time does it take for the bike to come to rest?
(b) Evaluate the angular acceleration of each wheel?
A large tub is filled to a depth of 50.0 cm with fresh water. Then oil of density 750.0 kg/m3 is poured onto the water. What is the depth of the oil layer
In the bohr model, the electron is imagined to move in a circular orbit about a staionary proton. what would be the corresponding orbital radius
The highest-energy cosmic ray ever detected had an energy of about 3.0x10^20 eV. Assume that this cosmic ray was a proton. What was the proton's speed as a fraction of c
If you stand on a bathroom scale, the spring inside the scale compresses .50mm telling you your weight is 700N. if you jump on the scale from 1.0m up, what will be the peak reading of the scale?
A 50-kg dancer stands on her toes during a performance with foursquare inches in contact with the floor. What is the pressure exerted by the floor
Astronauts on our moon must function with an acceleration due to gravity of 0.170g A. If an astronaut can throw a certain wrench 11.0{rm m} vertically upward on earth, how high could he throw it on our moon if he gives it the same starting speed i..
question explain why the two lines on your graph should always cross at the frequency where xc r. find this frequency
a rigid tank is divided into two rooms by a membrane both containing water. room a is at 200 kpa ??0.5 m3kg va1 m3 and
a 2.0 kg box rests on a plank that is inclined at an angle of 65deg above the horizontal. the upper end of the box is
An electron is released from rest in a uniform electric field of magnitude 2.31 x 10^4 N/C. Calculate the acceleration of the electron
The rest energy of an electron is 0.511 MeV. The rest energy of a proton is 938 MeV. Assume both particles have kinetic energies of 1.80 MeV. (a) Find the speed of the electron. c (b) Find the speed of the proton. c
A 11 kg satellite has a circular orbit with a period of 3.3 h and a radius of 3.6 × 106 m around a planet of unknown mass. what is the radius of the planet
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