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A toy racing car moves with constant speed around the circle. When its coordinates are x = 0, y = 3m its velocity is (6m/s) i. When itis at x = -3m, y = 0m what is its velocity and acceleration? Usingi, j, k notation to give answer.
a singly ionized oxygen atom moves at 9000ms in a circular path perpendicular to a 0.85t magnetic field. find the
a positron emission tomography scanner examines the gamma rays emitted when positrons and electrons annihilate each other. What is the wavelenth of the photons
Light of two wavelengths, ? = 520 nm and ?' = 550 nm falls normally on a diffraction grating having 3500 lines/cm. Determine the distance between the two spectrum lines in the first order. Repeat for the second order
a child throws a penny off of the eiffel tower h 324m with a downward velocity of magnitude v0 13 ms. find the speed
A diffraction grating with 504 lines/mm is illuminated with light of wavelength 305 nm. What is the angular separation between the two lines formed in order m = 2
A truck weighs four times as much as a car. if the truck coasts into the car at 12km/h and they stick together, what is their fimal velocity.
A 1200 turn coil of wire that is 3.00 cm in diameter is in a magnetic field that drops from 0.750 T to 0 T in 15.0 ms. What is the induced emf in the coil
a metal sign for a car dealership is a thin uniform right triangle with base length b and height h. the sign has mass
For a huge luxury liner to move with constant velocity, its engines need to supply a forward thrust of 7.05 105 N. What is the magnitude of the resistive force
A person of mass 72-kg stands at the center of a rotating merry-go-round platform of radius 2.80 m and moment of inertia 930 kgcdot m^2. The platform rotates without friction with angular velocity 2rad/s. The person walks radially to the edge of t..
A coin slides over a frictionless plane and across an xy coordinate system from the origin to a point with xy coordinates (1.4 m, 5.7 m) while a constant force acts on it. How much work is done by the force on the coin during the displacement
To store the energy produced in 1hour by a 110 electric power plant, how many cubic meters of water will have to be pumped from the lower to the upper reservoir? Suppose the upper reservoir is 510 meters above the lower one, and we can neglect the sm..
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