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The work done in accelerating a flywheel from rest to an angular speed of 12.7 revolutions per second is 21.6 kJ. What is the moment of inertia of the flywheel?
The index of refraction for crown glass is 1.512 at a wavelength of 660 nm (red), whereas its index of refraction is 1.530 at a wavelength of 410 nm (violet), what is the angle of refraction for each wavelength
An electromagnetic wave is propagating towards the west. At a certain moment the direction of the magnetic field vector associated with this wave points vertically up. The direction of the electric field vector of this wave options:
Compute the ground state energy and wavefunction
Imagine that Earth is struck by a meteor with a mass of 5.23 x 1015 kg, and a speed of 8100 m/s. What speed would such a meteor give Earth in a head-on collision
A marathon runner is moving along the road at 1.0 m/s in still air that is at a temperature of 34.0°C. What is the rate of convective heat loss from his skin
A 130-g baseball, moving along the x-axis with speed 29.0 m/s strikes a fence at a 45 degree angle and rebounds along the y-axis with unchanged speed. Give x and y components of its change in momentum.
a uniform rod of mass m and length l can pivot freely about a hinge attached to a wall, compute the angular acceleration of the rod
A 3.60 long, 420 steel beams extends horizontally from the point where it has been bolted to the framework of the new building under construction. A 72.0 construction worker stands at the far end of the beam. What is the magnitude of torque about the..
A small, 10.0 g insect stand at one end of a thin uniform metal rod which is initially at rest on a frictionless horizontal table. What is the resulting angular speed of the rod
On a typical day and at altitudes less than 11km , the temperature at an altitude y is given by T=To-alphaY , where = 12.5C and alpha=(6.00C)/(1000m)
While giving an injection with a hypodermic syringe, a nurseapplies a force of 3.95 N to the piston of a syringe. The pistonhas a circular cross section of radius 4.00 mm. What is the pressure increase in the fluid within the syringe?
A solid rock, suspended in air by a spring scale, has a measured mass of 9.00 kg. What is the density of the rock
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