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A 3.1 m length of copper pipe extends directly from a hot-water heater in a basement to a faucet on the first floor of a house. If the faucet isn't fixed in place, how much will it rise when the pipe is heated from 20.0° C to 87.4°C. The coefficient of linear expansion for copper is 1.6 x 10-5 K-1. Ignore any increase in the size of the faucet itself or of the water heater.
A 20.4-kg boy slides down a playgroundslide that drops through a height of 2.15m. what is the boy's speed at the bottom ofthe slide
Four identical charges (+1.7 %u03BCC each) are brought from infinity, compute the electric potential energy of this group
A 2.20-uF capacitor is connected across an ac source whose voltage amplitude is kept constant at 60.0V but whose frequency can be varied, Find the current amplitude when the angular frequency is 100 rad/s
A hockey puck with mass 0.160 kilogram is at rest on the horizontal, frictionless surface of a rink. Determine the position of the puck at the end of that time
A 369 g ball moving at -27 m/s is hit by a bat. The ball moves in the opposite direction at 35 m/s. How long did it interact with the bat if the average force was 278 N
A spool whose inner core has a radius of 1.00 cm and whose end caps have a radius of 1.50 cm has a string tightly wound around the inner core. what is the speed of the spool
0.60mol of argon gas is admitted to an evacuated 70cm3 container at 10 ?C. The gas then undergoes an isochoric heating to a temperature of 500 ?C. compute the final pressure of the gas
For the circuit shown in the figure, the switch is initially open and the capacitor voltage is 80 V. The switch is then closed at time = 0. What is the charge on the capacitor when the current in the circuit is 33 A?
Two rods of equal length (0.55m) and diameter (1.7cm) are placed end to end. One rod is aluminum, the other is brass. how much does their combined length decrease
A stone is dropped into a river from a bridge 49.9 m above the water. Another stone is thrown vertically down 1.14 s after the first is dropped. What is the initial speed of the second stone
A thin rod has a length of 0.25 meter and rotates in a circle on a frictionless tabletop. The axis is perpendicular to the length of the rod at one of its ends. evaluate what is the angular velocity of the rod
An individual is running around a turn with an 11 m radius at 3.75 m/s. What is the runner's centripetal acceleration
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