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When a 79-m-long metal pipe is heated from 14 °C to 39 °C, it lengthens by 2.56 cm.
(a) Determine the linear expansion coefficient.
°K?1
(b) What type of metal is the pipe made of?
lead
brass
aluminum
steel
copper
A 100 g ball on a 60 cm long string is swung in a vertical circle whose center is 200 cm above the floor. The string suddenly breaks while it is parallel to the ground and the ball is moving upward. The ball reaches a height 600 cm above the floor..
Iterates until convergence is reached (the previous guess for the velocities is not significantly different from the current guess and calculates the friction factor for the current guess of velocities.
A planet has a mass of 5.69Ã?1026 kg. The planet is not a perfect sphere, instead it is somewhat flattened. What is the escape speed at the poles
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A system of 1402 particles, each of which is either an electron or a proton, What is the mass of this system
A steel washer is suspended inside an empty shipping crate from a light string attached to the top of the crate, What is the coefficient of kinetic friction between the ramp and the crate
One particle has a mass of 3.00 10-3 kg and a charge of +8.40 µC. A second particle has a mass of 6.00 10-3 kg and the same charge. Find the initial separation between the particles
An electric potential is set up across a pair of parallel plates such that the left plate is at -594 V, What is the kinetic energy of the electron when it reaches the hole in the right plate
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The velocity-time graph of part of a cyclist's trip consists of a straight line between v = 24.0 m/s at t = 13.0 s and v = 0 at t = 25.0 s
A uniform solid disk, with a mass of 2.0 kg and 20 cm in diameter, is rotating about an axis through its center at 200 rpm. Calculate the final angular velocity of the combination
When a potential difference of 140V is applied to the plates of an air-filled parallel-plate capacitor the plates carry a surface charge density of 4.20E-10
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