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A large steam pipe is covered with 1.3-cm-thick insulating material of thermal conductivity 0.25 J/(s m °C). How much energy is lost every second when the steam is at 195 °C and the outside of the pipe has a temperature of 20°C? The pipe has a circumference of 7.25 m and a length of 80 m. Neglect losses through the ends of the pipe.
A particular fish tank filled with fresh water (n=1.33) has a coral reef sticker stuck to an exterior wall(outside of the tank). What is the index of refraction of the tank's walls
A converging lens with a focal length of 20 cm and a diverging lens with a focal length of -70 cm are 110 cm apart. Calculate the distance between image and diverging lens
A ball of mass 522 g starts at rest and slides down a frictionless track. It leaves the track horizontally, striking the ground a distance of 1 m from the end of the track after falling the vertical distance 1.25 m from the end of the track.
What should be the least kinetic energy in electron volts
When she lets go of the rope her initial velocity is 2.25 m/s at an angle of 35 degrees above the horizontal. If she is in flight for .616 s, explain how high above the water was she when she let go of the rope?
In a mall, a shopper rides up an escalator between floors. At the top of the escalator, the shopper turns right and walks 11.72 m to a store. At what angle is the escalator inclined above the horizontal
Graphing either versus or versus gives a straight line. In the graph shown above, we chose to plot on the vertical axis, find the magnitude of the crankshaft's angular acceleration
The same voltage is applied between the plates of two different capacitors. When used with capacitor A, this voltage causes the capacitor to store 12 C of charge and 6.1 x10-5 J of energy.
Two circular coils of current-carrying wire have the same magnetic moment. The first coil has a radius of 0.095 m, What is the radius of the second coil
A car is traveling north at 17.7m/s. After 12s its velocity is 14.10m/s in the same direction. Find the magnitude and direction of the car's average acceleration.
A patient has a near point of 45.0 cm and far point of 85.0 cm. Calculate the power lens needed to correct the patient's far point
Distinguish constructive conflict from socio emotional conflict and explain how to apply the former without having the latter become a problem.
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