5957

Physics Properties Of Matter Level: Misc Level

When you compare one mole of gold to one mole of water which of the following is true:




5956

Physics Heat & Thermodynamics Level: Misc Level

Consider a solid steel plate with a hole through its center. When the plates temperature is decreased the diameter of the hall will:




5955

Physics Properties Of Matter Level: Misc Level

Both the pressure and volume of a given sample of an ideal gas double. This means that its temperature in Kelvin must:




5954

Physics Heat & Thermodynamics Level: Misc Level

How much heat is added 500g of water to raise its temperature from 15 degrees c to 85 degrees c?




5953

Physics Properties Of Matter Level: Misc Level

A steel cable spanning a river is 195.950 m long when the temperature is 20 degreee c. What will be its length when temperature drops to 0 degree c? (the coefficient of thermal expansion of steel is 12x106%c




5952

Physics Properties Of Matter Level: Misc Level

The kinetic theory of gases suggest that the average kinetic energy per molecule of an ideal (mono-atomic) gas is:




5951

Physics Properties Of Matter Level: Misc Level

Describe the anomalous thermal expansion property of water and its significance.




5950

Physics Properties Of Matter Level: Misc Level

By how much will a slab of concrete 18m long contract when the temperature drops from 24c to -16c? (The coefficient of linear thermal expansion for concrete is 12x10 per degree c)




5949

Physics Units Level: Misc Level

Which two temperature changes are equivalent?




5948

Physics Heat & Thermodynamics Level: Misc Level

Aluminum has a positive co-efficient of thermal expansion consider a round hole that has been drilled in a large sheet of Aluminum. As the temperature increases and the surrounding metal expands, the hole diameter will:




5947

Physics Properties Of Matter Level: Misc Level

The principle on which a venturi meter works is called:




5946

Physics Force & Laws Of Motion Level: Misc Level

A 3 kg bowling ball traveling with a velocity of 3 m/s collides head on with another bowling ball of the same mass trveling with a velocity of -2.m/s.If the collision is perfectly elastic the velocities of the bowling ball after the collision is:




5945

Physics Rotational Mechanics Level: Misc Level

The center mass of three objects is located at(1,0) one object with a mass of 5.0 kg is at (-2,-1) and a second object with a mass of 2.0 kg is at (0.0) Find the coordinates of the third mass of 3.0 kg:




5944

Physics Force & Laws Of Motion Level: Misc Level

The Magnitude of the momentum of a particle is 32 kg m/s at a certain instant. If the velocity has a magnitude of 20 m/s at that instant, the mass of the particle is:




5943

Physics Rotational Mechanics Level: Misc Level

A solid cylinder of mass 8 kg and diameter 20 cm is rotated about an axis parallel to its central axis and at a distance of 10 cm from the cylinders central axis. The rotational inertia of the cylinder about the parallel axis is:


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