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A uniform disk with a mass of 0.767kg and radius 15.1cm is rotating on frictionless bearings with an angular speed of 22.4hz when jill drops a 0.174kg clod of clay on a point 8.78cm from the center of the disk, where it sticks. What is the new angular speed of the disk? wf= hz
Dennis, driving his 600 kg car, makes a 90 degree turn. His speed before the turn is 15.0 m/s and after the turn are 20 m/s. What is the magnitude of the change in car's momentum.
A certain peculiar spring is found not to conform to Hooke's Law. Compute the work done in stretching the spring from x = 0.5 m to x = 1.0 m
A proton moves through a magnetic field at 39.1% of the speed of light. obtain the magnitude of the magnetic force acting on the proton
An extreme skier, starting from rest, coasts down a mountain that makes an angle of 34.2 ° with the horizontal. The coefficient of kinetic friction between her skis and the snow is 0.156. She coasts for a distance of 17.0 m before coming to the edge ..
A power supply with internal resistance of 8 ? applies a voltage of 26 V. If a load resistor of 52 ? is in series with the power supply, what is the current going through the circuit
In the first-order spectrum, maxima for two different wavelengths are separated on the screen by 3.22 mm. What is the difference between these wavelengths
During a thunderstorm, winds with a speed of 49.4 m/s blow across a flat roof with an area of 751 m2
A certain spring has a spring constant k of 2.5 k N/m and is compressed by 50 cm. What is the muzzle velocity as the bullet leaves the barrel
a duck and a guy named john are sitting on opposite sides of a large merry go round that is rotating clockwise. Describe the motion of the coconut viewed by the students
The intensity of the sound wave from a jet airplane is 9.1 W/m2 at a distance of 130 m. At what rate does the jet airplane radiate energy in the form of sound waves
Find out the critical angle for the glass-synthetic interface (same as for the glass-diamond interface). Sketch a picture of the incoming ray as it interacts will all subsequent interfaces.
A 1.70 kg block is released from rest and allowed to slide down a frictionless surface and into a spring. The far end of the spring is attached to a wall.
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