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A 50.0g thermometer is used to measure the temperature of 180g of water. The specific heat of the thermometer, which is mostly glass, is 750J/(kg?K) , and it reads 22?C while lying on the table.After being completely immersed in the water, the thermometer's reading stabilizes at 71 degrees celcius.
What was the actual water temperature before it was measured?
A vertical tube open at the top contains 5.2 cm of oil (density 0.82 g/cm^3) floating on 5.2 cm of water. Find out the gauge pressure at the bottom of the tube.
A large capacitance of 1.27 mF is needed for a certain application. Calculate the volume of Teflon alone in the capacitor
The bullet penetrates into the block and stops due to its friction with the block. The compound system of the block plus the bullet rises to a height of 11 cm along a circular arc with a 20 cm radius A bullet with a m1 = 30.0 g mass is fired horizont..
What is voltage difference between floor and hover-board
We will use solar heater as input in steam power cycle for plant. Water initially has temperature of 40 degree, find the Isentropic efficiency of turbine
A man pushes a lawn mower on a level lawn with a force of 186 N. If 35 percent of this force is directed downward, how much work is completed by the man in pushing the mower 6.5 m.
At t = 0, a particle leaves the origin with the velocity of 9 m/ s in the positively direction and moves in the x y plane with a constant acceleration of (2.0i - 4.0j) m/ s2. At the instant the x coordinate of the particle is 15m, what is the spee..
Two in-phase loudspeakers are some distance apart. What is the spacing between points where constructive interference occurs? The speed of sound in air is 343 m/s
If E decreases (becomes more negative), the radius r of the orbit will decrease. If air drag is relatively small, the satellite can be considered to be in a circular orbit of continually decreasing radius.
what is the maximum deformation of the bumper. The coefficient of kinetic friction for a 25 bobsled on a track is 0.10. What force is required to push it down a 5 incline and achieve a speed of 64 at the end of 75.
A 700 N car traveling at 25m/s.The breaks are applied suddenly and the car slides to a stop. The average breaking force between the tires and the road is 7100 N.How far will the car slide once the breaks are applied.
A resistor with 790? is connected to the plates of a charged capacitor with capacitance 4.26?F, What is the electrical power dissipated in the resistor just after the connection is made
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