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1. Nitrogen is compressed to a density of 4 kg/m3 under an absolute pressure of 400 kPa. Determine the temperature in degrees Celsius.
2. The temperature and pressure at the surface of Mars during a Martian spring day were determined to be -50°C and 900 Pa, respectively.
(a) Determine the density of the Martian atmosphere for these conditions if the gas constant for the Martian atmosphere is assumed to be equivalent to that of carbon dioxide.
(b) Compare the answer from part (a) with the density of the Earth's atmosphere during a spring day when the temperature is and 18°C the pressure 101.6 kPa (abs).
He wishes to know the height above the floor of the top and bottom of the smallest mirror in which he can see both the top of his head and his feet. What is the height above the floor of the bottom of the mirror?
A pair of narrow slits, separated by 1.8 mm, is illuminated by a monochromatic light source. obtain the wavelength of the monochromatic light
R = 660.0 ohm C = 1.00 uF inductance = 250 mH generator frequency = 256 Hz rms voltage = 24.0 V , What is the phase angle
An ordinary workshop grindstone has a rotates at 7500 rpm and radius of 7.00 cm. Compute the magnitude of the centripetal acceleration at its edge in m/s2 and convert it to multiples of g. g What is the linear speed of a point on its edge?
An inductor L = 0.0470 H and a 35.0 ? resistor are connected in series to a 3.70 volt battery and a switch. What is the potential difference across the resistor immediately after the switch is closed
A mass m1 = 4.7 kg rests on a frictionless table and connected by a massless string over a massless pulley to another mass m2 = 4.3 kg which hangs freely from the string. What is the tension in the string as the block falls
The circuit consists of a battery (V0 = 37.0 V) and five resistors (R1 = 511 Ω, R2 = 482 Ω, R3 = 263 Ω, R4 = 334 Ω, and R5 = 465 Ω). Find the current passing through each of the specified points.
An open train car, with a mass of 2030 kg, coasts along a horizontal track at the speed 2.45 m/s. What is the car\'s speed after the loading is completed
A particular engine has a power output of 6.00 kW and an efficiency of 22.0%. Assume the engine expels 6500 J of energy in each cycle. Find the time required to complete each cycle
aisle by a shopper who exerts a constant horizontal force of 40.0 N. If all frictional forces are neglected and the cart starts from rest, illustrate what is the grocery cart's final speed?
In an R-L-C circuit, R= 400 ohm, Xc= 240 ohm, XL= 580 ohm. The average power consumed in the resistor is 60.0 Watt. Determine what is the rms voltage of the source
A block is given an initial push force up a smooth frictionless incline of 15 degrees that propels it up at 2m/s. What is the acceleration of the block?
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