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A cylindrical wheel (disk) of mass 10 kg andradius 0.5 meters is released from rest while sitting on aninclined plane of inclination 30o. The wheelis initially 5 meters (vertically). If the wheel rolls withoutslipping, what is its velocity when it reaches the bottom of the plane?
________m/s
is it correct to say the difference in the patterns produced by monochromatic and white light is caused by the fact
Two compact sources of sound oscillate in phase with a frequency of 110 Hz where the speed of sound is 340 m/s. What is the phase difference in the sound waves from the two sources at that point
A 54 N crate is suspended from the left end of a plank. The plank weighs 21N, but it is not uniform, so its center of gravity does not lie halfway between the two ends. The system is balanced by a support that is 0.3m from the left end of the plan..
A sports car traveling along a straight line increases its speedfrom 20.5 mi/h to 59.8 mi/h. What is the ratio of the final to the initial magnitude of its momentum? What is the ratio of the final to the initial kineticenergy?
In the Bohr model of the hydrogen atom, the electron moves in a circular orbit of radius 5.3 x 10^-11 m with a speed of 2.2 x 10^6 m/s. Find the magnitude of the magnetic field that the electron produces at the location of the nucleus (treated as a ..
A stainless steel orthodontic wire is applied to a tooth, as shown in the figure above. The wire has an unstretched length of 2.7 cm and a diameter of 0.2 mm. What is the tension in the wire
Modeling the optical trap as a Hookean spring, evaluate the trap stiffness using the Boltzmann distribution. Determine the sphere diameter by comparing the Stokes drag and the tweezer force that balances the drag.
Most of the motion generated by joints in the human body are examples of levers. what force is exerted by the biceps muscle
A chartered airplane flies 100 km east, then 350 km northwest, and then 150 km at 30° west of south. After an additional displacement, the plane is back where it started. Find the magnitude and the direction of the last leg of the journey.
A magician pulls a tablecloth from under a 200 g mug located 30.0 cm from the edge of the cloth. The cloth exerts a friction force of 0.100 N on the mug, and the cloth is pulled with a constant acceleration of 3.50 m/s2.
Five moles of an ideal monatomic gas with an initial temperature of 128 C expand and, in the process, evaluate the final temperature of the gas
A bow with spring constant 2000 N/m us used to shoot a 90-g arrow. If the bow is pulled back 18 cm, what will be the speed of the arrow as it leaves the bow?
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