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On a cold day, 28100 J of heat leaks out of a house. The inside temperature is 19.0° C, and the outside temperature is -15° C. What is the increase in the entropy of the universe that this heat loss produces?
J/K?
Three resistors, 27, 49, and 79 , are connected in series, and a 0.55 A current passes through them. What is the potential difference across the three resistors
An m = 6.60-kg clay ball is thrown directly against a perpendicular brick wall at a velocity of 22.0 m/s and shatters into three pieces, What is the direction of the third piece
Two capacitors of capacitance 6microF and 8 micro F are connected in parallel. What is the equivalent capacitance of this combination
The aorta carries blood away from the heart at a speed of about 40 cm/s and has a radius of approximately 1.1 cm. determine the approximate number of capillaries in the human body
Two cylinders have the same radius R = 0.6 m and length 0.6 m, but one is a solid cylinder of massM1 = 4.5 kg, What is the ratio of the final speed of the solid cylinder to that of the hollow cylinder
A runaway, 400-kg wagon enters a cornfield with a velocity of 12 m/s and eventually comes to rest. What work was done on the wagon in kJ
The blades in a blender rotate at a rate of 6400 rpm. What is the angular acceleration as the blades slow down
A uniform solid sphere of radius 0.503 m and mass 15.7 kg turns counter clockwise (when viewed from above) about the vertical axis through its center. Find its vector angular momentum when its angular speed is 3.08 rad/s. Wouldn't you use the formula..
Two particles execute simple harmonic motion of the same amplitude and frequency along close parallel lines. What is their phase difference
Calculate the angular momentum of Jupiter due to its orbital motion about the Sun. In your calculation, use 7.780 1011 m as the average Jupiter-Sun distance and 3.740 108 s as the period of Jupiter in its orbit
Two indentical spaceships are travelling in the same direction. an observer on earth measure the first to have a speed of 0.80c, what is the speed of second spaceship
question1a football player runs directly down the field for 26 m before turning to the right at an angle of 20 degrees
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