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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.
In a mall, a shopper rides up an escalator between floors. At the top of the escalator, the shopper turns right and walks 11.42 m to a store. At what angle is the escalator inclined above the horizontal
Suppose |L| = 10 and r = 2i + 3j + 4k and |p| = 10. What is the angle between the radius and momentum vectors
A horizontal force of 200 N is applied to a 55-kg cart across a 10-m level surface. If the cart accelerates at m/s^2, then what is the work done by the force of friction
What is wavelength in meters of an electron
Two charged pith balls are suspended on very light 10.7 cm strings. Each has a mass 11.0 g. In stability, the total angle between the strings is 37 degrees. Draw the free body diagram for one of the pith balls and clearly label all forces with magnit..
A girl of mass 55.0 kg jumps off the bow of a 76.0-kg canoe that is initially at rest. what is the speed of the canoe after she jumps
Two identical masses are in a hemispherical bowl of radius R. One block is sitting at the bottom and the other is at the top. how high will each of them rise
A 220g ball is thrown horizontally at 19.2m/s, As it falls under the influence of gravity, find its final momentum (magnitude) after 1.00s.
To throw the discus, the thrower holds it with a fully outstretched arm. Starting from rest, he begins to turn with a constant angular acceleration, what will be the speed of the discus at release
The leg and cast weigh 177N (w1). Find out the weight w2 and the angle α required so that no force is exerted on the hip joint by the leg plus cast.
find the normal force on the car to the highway surface (in N). C) As the car and truck round the curve at 72.9 mi/hr , find the normal force on the truck to the highway surface (in N).
Two small metallic spheres, each of mass m = 0.40 g, are suspended as pendulums by light strings from a common point, what is the magnitude of the charge on each sphere
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