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In the van der Waals equation of state, the constant brepresents the amount of "unavailable volume" occupied by themolecules them selves. Thus V is replaced by (V -nb), where n is the number of moles. For acertain gas, b is found to be5.2×10-5m3/mol. Estimate the diameterof a molecule of this gas.
The melting point of gold is 1173?C, and the boiling point is 2481 C. Compute the difference between these temperatures in Kelvin
A partial record of a freely falling body showed only 3 consecutive points. The distance from the first to the second point was 24.550 cm. that from the first to the third was 58.92 cm.
The air around a spinning 142g baseball (below) of radius 3.55cm experiences a faster speed on the left than the right side, determine the pressure difference between the right and left sides of the ball
A tank of water sits at the edge of a table of height 1.6 meter. The tank springs a very small leak at its base, and water sprays out a distance of 1.1 meters from edge of the table. What is the water level in the tank.
Mars rotates about its axis once every 88 642 s. What is the rotational period of Mars according to the beings on the spaceship
A block of mass 250 kg is pushed 2.20m along a frictionless horizontal table by a constant 16 Nforce directed 25.0 below the horizontal. estimate the work done by net force on block
The frequency of light reaching Earth from a particular galaxy is 16% lower than the frequency the light had when it was emitted. What is the speed of this galaxy relative to the Earth
A student suspends two identical conductive spheres (m = 0.30g) from two equally long nylon threads each 25 cm long, What is the charge on each sphere
The small skydiver, weighing 50N, sinks 1.0m into the snow when her parachute does not open, Determine the work done by the snow in stopping the person
A ray of light strikes a flat block of glass (n = 1.53) of thickness 1.80 cm at an angle of 36.0° with the normal. find the angles of incidence and refraction at each surface
A wave with a frequency of 1200 Hz propagates along a wire that is under a tension of 800 N. What will be the wavelength if the tension is decreased to 600 N and the frequency is kept constant
Three isobars calcium, potassium and argon have bending energy each 332,65 MeV, 332,11 MeV dan 335,44 MeV. Is it possible to product Beta decay in these core? How much Q energy should be released to make the core to the stable condition? Do you find ..
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