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Consider using the apparatus shown in given Figure (a), known as the Joule paddle wheel, to determine the specific heat at constant atmospheric pressure.
The paddle wheel is driven by a slowly falling weight, and both have a temperature of 14.5°C.
As a result of the work done by the 0.427 kg mass that falls 1.00m, the temperature of 1kg of water rises 1°C. Calculate cp.
A child goes down a playground slide with an acceleration of 1.30. Find out the coefficient of kinetic friction between the child and the slide if the slide is inclined at an angle of 34.0 below the horizontal.
A fisherman reels in 15.0 m of line while landing a fish, How much work does the tension in the line do on the fish
a tropical fish aquarium with 5 ocean species of fish has flat glass sides. a beam of light from outside the aquarium
A glass sphere has radius R = 6.4 cm and index ofrefraction 1.7. A paperweight is constructed by slicing through thesphere along a plane that is 2.0 cm from the center of the sphere,leaving height h = 4.4 cm.
Point charges of +1nc, +3nc and -3nc are located at each of three corners of an equilateral triangle with side length of 30cm. Find the net electrostatic fornce exerted on the +1nc charge.
The magnet produces a field of 0.5T at the location of the coil. If it takes you 0.2s to move the magnet, what is the induced emf in the coil?
a 500 g ball swings in a vertical circle at the end of a 1.5-m-long string. When the ball is at the bottom of the circle the tension in the string is 15 N. What is the speed of the ball at that point?
A 18.0 k? resistor and a capacitor are connected in series and then a 12.0 V potential difference is suddenly applied across them. The potential difference across the capacitor rises to 8.76 V in 1.22 µs. (a) Calculate the time constant of the circui..
A golfer imparts a speed of 29.3 m/s to a ball, and it travels the maximum possible distance before landing on the green. What is the longest "hole in one" that the golfer can make, if the ball does not roll when it hits the green
How much birdseed would a 70.0 kg person have to eat in a day to consume proportionally as much birdseed as does a 0.0120 kg sedentary canary per day?
A physical pendulum is composed of a sphere whose center of gravity is attached to a thin rod. The sphere has a moment of inertia of 2/5 MR2. The period of the physical pendulum is
two small plastic spheres are given positive electrical charges. when they are 15.0 cm apart the repulsive force
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