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a) The partial pressure of CO2, in the expired air is 25 mm Hg and in the alveolar air it is 39 mm Hg. For an expired volume of 550ml, calculate the dead space volume.
b) Given an expired volume is 500 ml and a dead space volume is 125 ml, calculate the ratio of CO2 concentration in the expired and alveolar air.
You drop a 1.5 kg textbook to a friend who stands on the ground 10 m below the textbook with outstretched hands 1.50 m above the ground. What is the speed of the textbook when it reaches the hands? m/s
A goose flying toward you at 11.4m/s emits a squawk, which you hear at 262Hz, Find the wavelength of the sound you hear
A 900-kg car traveling east at 15.0 m/s collides with a 750-kg car traveling north at 20.0 m/s. The cars stick together. What is the speed of the wreckage just after the collision
Suppose a tank contains 826 m3 of neon (Ne) at an absolute pressure of 1.01×105 Pa. What is the increase in the internal energy of the neon
A drinking fountain shoots water out from a height of 3.5cm above its basin. Determine the time a single drop spends in the air
Objective questions based on work, energy, power.
A laser emits a narrow beam of light. The radius of the beam is 9.6 mm, and the power is 1.9 mW. What is the intensity of the laser beam
A proton moves perpendicular to a uniform magnetic field B at a speed of 1.10 107 m/s, evaluate the magnitude and direction of the field
An 86kg man drops from rest on a diving board 3.0m above the surface of the water and comes to rest 0.55s after reaching water. What is the net force on the diver as he is brought to rest.
100 volts of ac are put across a 100 turn transformer, what is the ac current drawn by the primary coil
The frequency of sound waves in air from a violin string are around 570 Hz. what is the wavelength of the sound waves
At one instant a bicyclist is 25m due east of a park's flagpole, going due south with a speed of 8 m/s. Then, 11 s later, the cyclist is 65m due north of flagpole, going due east with a speed of 10 m/s.
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