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A nitrogen molecule is initially in a large volume of calm air at STP.
a) Determine how many collisions does the nitrogen molecule suffer in 10 min?
b) Obtain the length of the path traveled by the molecule?
c) On the average, determine how far will the molecule be from its starting point at the end of the 10 min?
A fixed 0.16 kilogram solid disk pulley with a radius of 0.065 meter is acted on by a net torque of 6.3 m•N. Evaluate what the angular acceleration of the pulley
a simple harmonic oscillator with frequency f 2 hz has initial conditions x0 0.76m and v0 0.31 ms. calculate the
A laser produces a 6.50-mW beam of light, consisting of photons with a wavelength of 621.9 nm. (a) How many photons are emitted by the laser each second? Incorrect: Your answer is incorrect. Your response differs significantly from the correct ans..
a skateboarder starting from rest rolls down a 15.0 m ramp. when she arrives at the bottom of the ramp her speed is
A luge and its rider, with a total mass of 82 kg, emerge from a downhill track onto a horizontal straight track with an initial speed of 43 m/s. Assume that they stop with the constant deceleration of 3.2 m/s2.
A laser beam is incident on two slits with a separation of 0.190 mm, and a screen is placed 5.30 m from the slits. what is the wavelength of the laser light
Humans cool off by perspiring; the evaporating sweat removes heat from the body. what is the entropy change of the universe due to the evaporation of 215 mL of sweat
FM radio stations use radio waves by frequencies from 88.0 to 108 MHz to broadcast their signals. Assuming that the inductance in Figure 24.4 has a value of 6.00 × 10-7 H, decide the range of capacitance values that are required so the antenna can pi..
The graph shows how the force component F cos along the displacement varies with the magnitude s of the displacement. Find the work done by theforce. (Hint: Recall how the area of a triangle is related tothe triangle's base and height.)
An organ pipe is closed at both ends. The pipe is designed to produce the note middle C (282 Hertz). Evaluate how long is the pipe? Calculate the frequency of the second harmonic
In a steam turbine, steam is flowing at 20kg/s. At the inlet of the turbine, specific enthalpy is 2800kJ/kg, velocity 20m/s and heigh is 2m. Obtain the turbine output power
The concrete wall of a building is 0.11 m thick. The temperature inside the building is 23.2°C, while the temperature outside is 0.0°C. Heat is conducted throughout the wall.
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