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A person is riding a bicycle, and its wheels have an angular velocity of 26.9 rad/s. Then, the brakes are applied and the bike is brought to a uniform stop. During braking, the angular displacement of each wheel is 19.2 revolutions.
(a) How much time does it take for the bike to come to rest?
(b) What is the anguar acceleration (in rad/s2) of each wheel?
A frictionless pulley has the shape of a uniform solid disk of mass 2.80kg and radius 10 cm. What percent of the total kinetic energy does the pulley have
This caused Goodly to borrow to meet its obligations, resulting in a drop in its stock price. Are the directors liable? Explain why or explain why not?
Atmospheric boundary layer is of typical height of 1 km. Is atmospheric flow in this layer laminar or turbulent? Justify your answer with typical properties such as wind speed and viscosity of air.
A drug prepared for a patient is tagged with 9943Tc which has a half-life of 6.05 h. What is its activity at the time it is injected
A hollow cubical box is 0.30 m on an edge. What is the depth of the water in the box just at the instant that water from the lake begins to pour into the box from the lake
A corner construction lot has the shape of a right triangle. If the two sides perpendicular to each other are 38m long and 40.3m long
What should the charge (sign and magnitude) of a particle of mass 1.21 be for it to remain stationary when placed in a downward-directed electric field of magnitude 610.
Every day our Earth receives 1.55×1022 J energy from the Sun. If we were able to use 0.85 percent of this energy to accelerate spaceships, then how various missions will be possible in one year.
If you input the function x[n]=0,1,0,1,0,1,0,1,0,1 into a digital filter with impulse response h[m]=1,0,1, what is the output function y[n] of the filter
A mass of gas occupies a volume of 4.3 L at a pressure of 1.8 atm and a temperature of 345 K. Determine the final pressure
A Geiger counter registers a count rate of 8,000 counts per minute from a sample of a radioisotope. What is the half-life of the radioisotope
At a given instant, a particle with a mass of 5.00 x 10^-3 kg and a charge of 3.50 x 10^-8 C has a velocity of magnitude 2.00 x 10^5 m/s in the +y direction. What is the magnitude and direction of the magnetic force on the particle
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