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The drive motor is shifted to turn the carousel at a higher constant rate of rotation, and the piece of luggage is bumped to another position, 7.94 meter from the axis of rotation. Now going around once in every 30.9 s, the bag is on the verge of slipping. Find the coefficient of static friction exerted by carousel on the bag.
A laser beam of unknown wavelength passes through a diffraction grating having 5460lines/cmafter striking it perpendicularly. At what angle will the next pair of bright spots occur
A rock of mass 0.19 kg falls from restfrom a height of 12 m into a pail containing 0.30 kg of water. Therock and water have the same initial temperature. The specific heatcapacity of the rock is 1820 J/(kg·C°).
If the two halves of the log only separate by a distance of 0.05m while the wedge travels 0.2m into the log, how much force is the wedge exerting on the two halves of the log to rip them apart.
a constant force 2.00 ni 3.00 nj acts on a 5.00 kg object as it moves in a straight line from the position 1 1.00 m
A teeter-totter is made of a 3.200 m long plank with a mass of 60.0 kg, what mass must be placed at the left end so that the teeter-totter is balanced
An electron with speed v0 = 2.26×107m/s is traveling parallel to an electric field of magnitude E = 2.36×104N/C. How far will the electron travel before it stops
A cart running on frictionless air tracks is propelled by a stream of water expelled by a gas-powered pressure washer stationed on the cart. What is the velocity of the cart at that time
Five charges are placed in a closed box. Each charge (except the first) has a magnitude which is twice that of the previous one placed in the box. find the magnitude of the smallest charge in the box
a star of radius 7.8 times 105 km rotates about its axis with a period of 66 days. the star undergoes a supernova
In a mass-spring system, the mass of the object is 80g and the spring constant is 200N/m. What is the period of oscillataions for this system
As a baseball is being thrown, it goes from 0.0 to 40.0 ms in 0.34 s, What is the acceleration of the baseball
A ball is thrown with a speed of 15 m/s at a 78 degree angle. will it make it over a 10 m wall? How far from the wall does the ball need to be thrown
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