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A cubical piece of heat-shield tile from the space shuttle measures 0.11 m on a side and has a thermal conductivity of 0.059 J/(s m ·C°). The outer surface of the tile is heated to a temperature of 1200° C, while the inner surface is maintained at a temperature of18.0° C.
(a) How much heat flows from the outer to the inner surface of the tile in six minutes?
(b) If this amount of heat were transferred to two liters (2.0 kg) of liquid water, by how many Celsius degrees would the temperature of the water rise?
A loudspeaker of mass 25.0 is suspended the distance of = 2.40 below ceiling by two cables that make equal angles with the ceiling. Each cable has a length of = 2.50. What is the tension in each of cables.
How long after the arrow was shot must the apple be dropped, in order for the arrow to pierce the apple as the arrow hits the tree.
Illustrate what is the maximum load that can be hung from a copper wire of diameter 0.46 mm? Answer in units of N.
From colonial times through the 1960s, the primary mode of mental illness treatment was institutional. What factors were responsible for this shift
A particle is launched in a gravitational field (g) with an initial velocity of v nought at an angle of theta with respect to the horizontal, Write down the equations for displacements along x- and along the y- axis as a function of time (t)
a 1cm-tall object is 6cm in front of a converging lens with a focal length of 10cm. Use ray tracting to determine the location of the image on graph, Calculate the image position and height using the lens equation
What is the change in entropy for the system. How much force must be applied to climb the hill at the same speed and same air resistance.
With what force F should she pull down on the rope to accelerate herself and platform upward at a rate of 0.77 m/s2.
A piece of Nichrome wire has a radius of 5.0 x10-4 m. It is used in a laboratory to make a heater that dissipates 2.00 x10^2 W of power when connected to a voltage source of 120 V. Ignoring the effect of temperature on resistance, estimate the req..
The impact of the racket gives the ball a constant acceleration of 46 cm. Illustrate what is the magnitude of the net force acting on the ball?
A defibrillator passes a brief burst of current through the heart to restore normal beating. In one such defibrillator, What is the initial current through the patient
A thin, light wire is wrapped around the rim of a wheel. The wheel rotates without friction about a stationary horizontal axis that passes through the center of the wheel. The wheel is a uniform disk with radius 0.28. An object of mass 4.0 is suspend..
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