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A steam pipe is covered with 1.50 centimeter thick insulating material of thermal conductivity of 0.200 cal/cm•°C•s. Determine how much energy is lost every second when the steam is at 220°C and the surrounding air is at 20°C? The pipe has a circumference of 800 centimeter and a length of 50 meter. Ignore losses through the ends of the pipe.
___________MW
A 0.056 kg aluminum bullet traveling at 462 m/s strikes an armor plate and comes to a stop. what is the bullet's temperature change in degrees Celsius
question a 150 ohm combination of resistors draws 2 ma of current when connected across a battery. if you now add a 1
how fast is the bag moving when the bults exits. If you wish to find the distance traveled using the equation d = 1/2 at2, what value should you use for a.
Heat is added to 1.00 10^3 cm^3 of water at atmospheric pressure. The water's temperature increases by 30.9°C. Find the increase in the water's internal energy
Science is about collecting data. What kind of data do you think you will collect in Physics 320 class? What kind of data will you collect about heat
The projection lens in a certain slide projector is a single thin lens. A slide 23.6 mm high is to be projected so that its image fills a screen 1.87 m high. Determine the focal length of the projection lens
To increase the resolving power of a microscope, the object and the objective are immersed in oil (n = 1.54), what is the limiting angle of resolution with the oil
A surfer is catching a wave. Suppose she starts at the top ofthe wave with a speed of 1.4 m/s and movesdown the wave until her speed increases to 9.5 m/s. how much work is done by the (nonconservative)force of the wave
answer the following questionsa explain qualitatively on the basis of domain picture the irreversibility in the
A satellite is put in a circular orbit about Earth with a radius equal to 50% of the radius of the Moon's orbit. What is its period of revolution in lunar months
A compass originally points North; at this location the horizontal component of the Earth's magnetic field has a magnitude of 2e-5 T. A bar magnet is aligned East-West, pointing at the center of the compass.
Two cars are travelling on a desert road. After 5s, they are side by side at the next telephone pole. The distance between the poles is 70m.
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