Physics Heat & Thermodynamics Level: High School
Two cubes , one silver and one iron , have the same mass and temperature . A quantity Q of heat is removed from each cube . Which one of the following properties cause the final temperature of the cubes to be different ?a) Density
b) Latent heat vaporization
c) Specific heat capacity
d) Coefficient of volume expansion
e) Volume
Physics Properties Of Matter Level: High School
A tanker ship is filled with 2.25 * 10^5 m^3 of gasoline at a refinery in southern Texas when room temperature is 17.2 degree C . When the ship arrive in New York City , the temperature is 1.3 degree C . If the coefficient of volumetric expansion for gas is 9.50 * 10^-4/ C degree, How much has the volume of the gasoline decreased when it is unloaded in New York ?
Physics Properties Of Matter Level: High School
Zirconium tungstate is an unusual material because its volume shrinks with an increase in temperature for the temperature range 0.3 K to 1050 K (where it decomposes ) . In fact, the volumetric coefficient of thermal expansion is -26.4*10^-6 /K . Determine the ratio delta V/ V noat for the above mentioned temperature range . Express your answer in percent .
Physics Properties Of Matter Level: High School
Thermal Expansion
The coefficient of linear expansion of aluminum is 23*10^-6 / C degree . A circular hole in an aluminum plate is 2.725 cm in diameter at 0 degree C . What is the diameter of the hole if the temperature of the plate is raised to 100 degree C ?
Physics Properties Of Matter Level: High School
Which one of the following properties could not be used as a temperature sensitive property in the construction of a thermometer ?a) The change in mass of solid
b) The change in volume of a liquid
c) The change in length of a metal rod .
d) The change in electrical resistance of a wire
e) The change in pressure of a gas at a constant volume .
Physics Properties Of Matter Level: High School
Bernoulli’s principle
The density of the liquid flowing through the horizontal pipe in the drawing below is 1500 kg/m^3 . The speed of the fluid at point A is 5.5 m/s while at point B it is 8.0 m/s . What is the difference in pressure , Pb – Pa , between point b and a ?
Physics Properties Of Matter Level: High School
Equation of continuity
Water enters a pipe 3.0 cm with a velocity of 3.0 m/s . The water encounters a construction where its velocity is 12 m/s . What is the diameter of the constricted portion of the pipe ?
Physics Properties Of Matter Level: High School
Which of the following statement is true ?a) At any given point in the fluid, the velocity is constant in time .
b) Streamline flow occurs when there are sharp obstacles in the path of a fast-moving fluid .
c) Streamline flow is described by Pascal’s principle .
d) Streamline flow is described by Archimedes principle .
e) The velocity vectors are the same for all particles in the fluid .
Physics Properties Of Matter Level: High School
A balloon is released from a tall building, The total mass of the balloon including the enclosed gas is 2.0 kg . Its volume is 5.0 m^3 . The density of air is 1.3 kg/m^3 . What is the average density of the balloon ?
Physics Properties Of Matter Level: High School
A small sculpture made of brass (p brass = 8470 kg/m^3) is believed to have a secret central cavity . The weight of the sculpture in air is 15.76 N , When it is submerged in water, the weight is 13.86 N . What is the volume of the secret cavity ?
Physics Properties Of Matter Level: High School
Archimedes’s Principle
A balloon inflated with helium gas (density = 0.2 kg/m^3) has a volume 6*^10-3 m^3 . If the density of air is 1.3 kg/m^3 , What is the buoyant force exerted on the balloon ?
Physics Properties Of Matter Level: High School
A force of 250 N is applied to a hydraulic jack piston that is 0.01 m in diameter . If the piston which supports the load has a diameter of 0.10 m , approximately how much mass can be lifted by the force ? Ignore any difference in height between the pistons ?
Physics Properties Of Matter Level: High School
A women is enjoying a tropical drink while lying on a beach . The acceleration due to gravity at her location is 9.85 m/s^2. What gauge pressure must exist in the woman’s mouth if she is drinking through a straw extending 0.085 m above the surface of the drink ? Note assume the drink has a density of 1015 kg/m^3 .
Physics Properties Of Matter Level: High School
A submarine is operating at 100.0 m below the surface of the ocean . If the air inside the submarine is maintained at a pressure of 1.0 atmosphere , What is the magnitude of the force that acts on the rectangular hatch 2.0 x 1.0 m on the desk of the submarine ?
Physics Properties Of Matter Level: High School
An ice cube , p = 917 kg/m^3 , is sliding down a frictionless incline as shown in the drawing at “click here ” . The sides of the cube each have a length of 0.75 m . What pressure does the cube exert on the incline ?