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A.) At the start of a trip, a driver adjusts the absolute pressure in her tires to be 2.78E+5 Pa when the outdoor temperature is 287 K. At the end of the trip she measures the pressure to be 3.04E+5 Pa. Ignoring the expansion of the tires, find the air temperature (in K) inside the tires at the end of the trip.
B.) Initially, the translational rms speed of a molecule of an ideal gas is 460 m/s. The pressure and volume of this gas are kept constant, while the number of molecules is doubled. What is the final translational rms speed of the molecules?
An aluminum rod is 18.0 cm long at 20°C and has a mass of 350 g. If 15,000 J of energy is added to the rod by heat, what is the change in length of the rod
Two speakers are emitting simple harmonic sound waves of frequency 258 Hz and 256 Hz. Describe the sound heard by a listener
How many atoms are there in a cubic centimeter of a solid and what is the velocity of the motorist relative to the police car and what is the velocity of the police car relative to the motorist?
A single loop of wire with an area of 0.0900 m2 is in a uniform magnetic field that has an initial value of 3.80 T, is vertical to the plane of the loop, and is decreasing at a constant rate of 0.190 T/s.
Playing near a road construction site, a child falls over a barrier and down onto a dirt slope that is angled downward at 42° to the horizontal, What is the coefficient of kinetic friction between the child and the slope
What is an average speed of this train
An elevator weighing 2500 N ascends at a constant speed of 8.0 m/s. How much power must the motor supply to do this
What is the dissimilarity between sprinters and nonathletes
When monochromatic light shines perpendicularly on a soap film (n = 1.33) with air on each side, What is the vacuum wavelength of the light
The density of air at standard temperature and pressure (STP) is 1.20 kg/m^3 how much mass could this balloon carry
Calculate the gravitational force exerted on the satellite by the Earth when it is in orbit
True false questions on physics
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