Physics Properties Of Matter Level: Misc Level
The gauge pressure at a depth of 17 m in Water is equal to?
Physics Properties Of Matter Level: Misc Level
A grandfather clock is controlled by a swinging brass pendelum that is 1.2 m long at a temperature of 20 degrees celsius. a) What is the length of the pendelum rod when the temperature drops to 0.degrees Celsius?
Physics Properties Of Matter Level: Misc Level
The Trans-Alaskan pipeline is 1,300 km long, reaching from Prudhoe Bay to the port of Valdez, and is subjected to temperatures ranging from -66 degrees Celsius to 35 degrees Celsius. How much does the steel pipeline expand in km
Physics Properties Of Matter Level: Misc Level
A liquid (density=1.65g/cm^3) flows through two horizontal sections of tubined end to end. In the first section, the cross-sectional area is 10.0cm ^2, the flow speed is 275cm/s, and the pressure is 1.20x10^5 Pa. In the second section, the cross-sectional area is 2.50cm ^2. Calculate the smaller sections a)flow speed and b)pressure.
Physics Properties Of Matter Level: Misc Level
The deepest point in the ocean is in the Mariana Trench which is about 11 km deep. The pressure at the ocean floor is about 1.13x10^8 N/m^2. a) Calculate the change in volume of 1.00m^3 of water carried from the surface to the bottom of the Pacific. b) The density of the water at the surface is 1.03x10^3 kg/m^3. Find its density at the bottom.
Physics Properties Of Matter Level: Misc Level
Air is trapped above liquid ethyl alcohol in a rigid container. If the air pressure is 1.10 atm, determine the pressure inside a bubble 4.0 m below the surface of the liquid.
Physics Properties Of Matter Level: Misc Level
The patient is to receive an intravenous injection of medication . In order to work properly, the pressure of fluid containg the medication must be 104 kPa at the injection point.
(a) If the fliud has a density of 1017 kg/m3, find the height at which the bag of fluid must be suspended above the patient. Assume that the pressure inside the bag is one atmosphere.
*answer in m*
Physics Properties Of Matter Level: Misc Level
In the hydraulic system shown in Figure 15-28 the piston on the left has a diameter of 5.3 cm and a mass of 1.7 kg. The piston on the right has a diameter of 12 cm and a mass of 3.9 kg.If the density of the fluid is 750 kg/m3, what is the height difference h between the two pistons?
*answer in m*
Physics Properties Of Matter Level: Misc Level
The bulk modulus of a gas varies with pressure in the case of the air the bulk modulus of air is equal to 1.40 times its pressure. The atmospheric pressure at sea level is 1.01x10(to the power of 5) N/m2. The density of air at sea level is 1.20 kg/m2 for these conditions. What is the speed of sound as it passes through the air?
Physics Properties Of Matter Level: Misc Level
What force must be applied to a small cylinder piston with a diameter of 0.32 m to lift a car weighing 12000N that is supported by the piston in a large cylinder that has a diameter of 1.4 m?Assume that there is an enclosed chamber in common between the two pistons and that the chamber is filled with hydraulic oil.
Physics Properties Of Matter Level: Misc Level
During level airplane flight at a constant velocity the pressure created by air flowing over the curved upper surface of the wing compared to the pressured created by air flowing along the flat underside of the wing is
a) more
b) less
c) insufficient data
d) the same
Physics Properties Of Matter Level: Misc Level
What is the height in cm of the column of mercury for a mercury barometer when the atmospheric pressure at a certain location in 1.00 atm? The density of mercury is 13.55 g/cm 3
Physics Properties Of Matter Level: Misc Level
The bulk modulus of a gas varies with pressure. In the case of the air, the bulk modulus of air is equal to 1.40 times its pressure. The atmospheric pressure at sea level is 1.01x105 N/m2. The density of air at sea level is 1.20 kg/m3. For these conditions, what is the speed of sound as it passes through the air?
a. 343 m/s
b. 328 m/s
c. 1.70 km/hr
d. 5280 ft/s
Physics Properties Of Matter Level: Misc Level
An anchor, made of cast iron of bulk modulus 60.0 x 10 9 Pa and of volume 0.219 m3, is lowered over the side of the ship to the bottom of the harbor where the pressure is greater than sea level pressure by 1.73 x106 Pa. Find the change in the volume of the anchor. cm3
Physics Properties Of Matter Level: Misc Level
The air in a living room with a 4.0 m x 5.0 m floor and a 3.0 m high ceiling has a density of 1.20 kg/m3 and a pressure of 1 atm. Find:
(a) The weight of the air
(b) The total downward force on the surface of the floor due to air pressure.