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A brick of mass 1.05 kg is attached to a thin (massless) cable and whirled around in a circle in a vertical plane. The circle has a radius of 1.46 m. The cable will break if the tension exceeds 49.0 Newtons. What is the maximum speed the brick can have at the bottom of the circle before the cable will break?
A rail car that weighs 35 N is accelerated at 7.7 m/s/s for 5.6 seconds. How much work is done on the rail car
Introductory Mechanics: Calculate the smallest coefficient of static friction
Flint glass has a refractive index of 1.645 for blue light and 1.629 for red light. When viewing an image these colors will not focus at the same location due to this effect. Find the focal length of both the blue and red light
An airplane flies eastward and accelerates uniformly. At one position along its path it has a velocity of 26.5 m/s. find the airplane\'s acceleration
A 6.0 kg box slides down an inclined plane that makes an angle of 39° with the horizontal. at what rate does the box accelerate down the slope
When 165 V is applied across a wire that is 14 m long and has a 0.31 mm radius, Find the resistivity of the wire
A 4 cm diameter loop with resistance 0.18 Omega surrounds a 2 cm diameter solenoid. The solenoid is 15 cm long, has 100 turns, and carries the current shown in the graph. A positive current is cw when seen from the left.
A rectangular loop is located in a uniform magnetic field of magnitude 0.28 T directed perpendicular to the plane of the coil. obtain the magnitude of the emf induced in the coil
A proton is passing through a uniform, 0.500-T magnetic field and is directed along the x axis. find the pitch of the helix
Consider a uranium nucleus to be a sphere of radius R = 7.4x10^-15 m with a charge of 92 e distributed uniformly throughout its volume. What is the electric force exerted on an electron
Calculate the longest wavelengths for light in the Balmer, Lyman, and Brackett series for hydrogen
In a freight yard a train is being made up. An empty freight car, coasting at 10 m/s, With what speed does the combined mass start to move
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