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The model airplane in Figure 5.7 is flying at a speed of 14.4 m/s on a horizontal circle of radius 17.2 m. The mass of the plane is 1.19 kg. The person holding the guideline pulls it in until the radius of the circle becomes 10.3 m. The plane speeds up, and the tension in the guideline becomes four times greater. What is the net work done on the plane?
Compute the change in entropy of 1 gram of water as it goes from solid ice at 0 celsius to water vapor at 100 Celsuis
Two sheets of polarizing material are placed with their transmission axes at right angles to each other. What is the intensity of the transmitted light when the middle sheet is removed
Establish the average net force
o skydivers are holding on to each other while falling straight down at a common terminal speed of 57.1 m/s. compute the change in kinetic energy of the system
A long, narrow steel rod of length 2.5000 m at 25 C is oscillating as a pendulum about a horizontal axis through one end. what will be the fractional change in its period
A 15.0kg block is attached to a very light horizontal spring of force constant 550N/m, Find the maximum distance that the block will compress the spring after the collision
What mass of stone is necessary if the temperature is not to drop below 18.5°C overnight. Sunlight shining in during the daytime is absorbed by the floor, interior walls, and objects in the room, raising their temperature to 37.5°C.
An Escort and a Camaro traveling at right angles collide and stick together. The Escort has a mass of 1300 kg, What was the speed of the Camaro
The mass of a bottom quark is \(4.2 GeV/c^{2}\), What was the energy of the proton beam and how fast were they moving
The pressure and volume of this gas are kept constant, while the number of molecules is doubled. Illustrate what is the final translational rms speed of the molecules?
A 100 kg rocket moving radially outward from Earth has a speed of 4 km/s as its engine shuts off 200 km above Earth's surface.
A thermally isolated flask containing helium gas initially at 11 K, allows the gas to slowly escape through a small tube until the pressure inside is 0.98 atm, what was the initial pressure
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