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The wheels of a bicycle have an angular velocity of +20.0 rad/s. Then the brakes are applied. In coming to rest, each wheel makes an angular displacement of +15.92 revolutions.
(a) Find how much time does it take for the bike to come to rest?
(b) Determine the angular acceleration of each wheel?
You do a physics lab experiment on another planet. A small block is released from rest at the top of a long frictionless ramp that is inclined at an angle of 36.9° above the horizontal, What is the value of g
two coils of wire are placed close together. initially a current of 2.58 a exists in one of the coils but there is no
a spring has an equilibrium length of 17 cm and a spring constant of 59.9 N/m. the spring is connected to the underside of the roof of a car and a 0.294 kg block suspended from it
The 80 cm-tall, 68 cm wide tank is completely filled with water. The tank has marks every 10 cm along one wall, find Which is the lowest mark you can see
An asteroid is headed towards a starbase. To try and avoid a collision, an explosive device is planted on the asteroid, Does the other piece of the asteroid hit the starbase
2.0 g of helium at an initial temperature of 300 K interacts thermally with 8.0 g of oxygen at an initial temperature of 600K. What is the initial thermal energy of each
The potential difference across a resting neuron in the human body is about 105.0 mV, How much power does the neuron release
oxygen gas initially at 300 k and 100 kpa is contained in a rigid tank. two alternative processes are to be considered
A 1500 kg artificial satellite will appear to be stationary to anobserver on Earth if its period is exactly equal to Earth'srotation period, i.e one day. (a) What must the orbitalradius of such a satellite be? and (b) What will be its orbitalspeed?
An 91 kg man climbs a 981 m high mountain in 1.01 hour and uses 7.6 kcal/min, Determine the power consumption in watts.
Light from a laser strikes a diffraction grating that has 6000 grooves per centimetre. The distance among the central maximum and the first order principal maximum is .7m on a wall that is 1.8m from the diffraction grating. Decide the wavelength of t..
In a spherical metal shell of radius R, an electron is shot from the center directly toward a tiny hole in the shell, What is the magnitude of the electron's acceleration
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