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a fan is turned off and its angular speed decreases from 8.5 rad/s to 5 rad/s in 5.0s.
A) what is the magnitude of the angular deceleration of the fan?
B) what is the angular displacement of the fan?
The low range of frequencies used for medical applications is about 1,000,000 Hz. What is the wavelength of this frequency in air
A shell of mass m and speed v explodes into two identical fragments. If the shell was moving horizontally (the positive x direction) with respect to Earth, and one of the fragments is subsequently moving vertically with speed v, find out the velocity..
A rope is used to pull a 5.57 kg block at constant speed 2.78 m along a horizontal floor. determine the work done by the rope's force
A 1 kg ball is attached to a 2 m long piece of very light string and suspended in such a way that it can freely swing and it passes just above the ground.
q1. light of wavelength 443 nm in air enters a fishbowl filled with water then exits through the crown glass wall of
A proton having an initial velocity of 17.2i hat bold Mm/s enters a uniform magnetic field of magnitude 0.360 T with a direction perpendicular to the proton's velocity. Determine the time interval for which the proton is in the field
In a fast-pitch softball game the pitcher is impressive to watch, as she delivers a pitch by rapidly whirling her arm around so that the ball in her hand moves in a circle. Determine the angle of the total acceleration relative to the radial direct..
Scientists want to place a 4200 kg satellite in orbit around Mars. What is the force of attraction between Mars and the satellite
A capacitor is discharged when a wire is connected across its terminals, How much energy is released for a 1.00 uF capacitor with 10.0 V across its plates
An explorer is caught in a whiteout (in which the snowfall is so thick that the ground cannot be distinguished from the sky) while returning to base camp. How far (in km) must he now travel to reach base camp
A uniform disk of radius 0.463 m and unknown mass is constrained to rotate about a perpendicular axis through its center. Find the mass of the disk
A capacitor is constructed of two 5.3 m2 parallel metal plates separated by an air gap of 0.010 mm. An electric potential of 25 V is applied to the capacitor. calculate the capacitance of the structure
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