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Air which may be treated as an ideal gas, is compressed from 100 kpa to 1500 kpa in a quasisatatic manner so that it obeys the relation ....pV^1.3 = constant determine the amount of work necessary to compress 100kg of air. The initial temperature of air is 300k and R= 0.287kj/kgK
How is single slit diffraction pattern and intensity affected by the width of the slit, the distance of the slit from the screen, Which of these parameters affects the pattern most
A 4.68 kg sphere makes a perfectly inelastic collision with a second sphere that is initially at rest. What is the mass of the second sphere
An electron moves at a speed of 480m/s perpendicular to the direction of the uniform magnetic field of 1 T. What is the radius of the electron's circular orbit in units of nanometers (1 m = 109 nm)
q. a group of swimmers is resting in the sun on an off-shore raft. they estimate that 4.8 m separates a trough and an
A runner whose mass is 55 kg accelerates from a stop to a speed of 8 m/s in 3 seconds. How much work is done on the point-particle system by this force
The two stars in a certain binary star system move in circular orbits. The first star, Alpha, has an orbital speed of 36.0km/s. The second star, Beta, What is the mass of the star Beta and alpha
To determine the center of mass of her body, a student lies on aplank of mass m=10 kg. The plank is supported by two scales at itsends. The distance between the scales is 2.5 meters. The left scalereads 339 N and the right reads 171 N.
A 4.0-m-long steel wire has a cross-sectional area of 0.050cm^{2}. Its proportional limit has a value of 0.0016 times its Young's modulus. What is the maximum weight that the wire can support
A 226 kg beam 2.0 m in length slides broadside down the ice with a speed of 30 m/s, How fast does the center of mass of the system move after the collision
Mary needs to row her boat across a 200 m-wide river that is flowing to the east at a speed of 1.1 m/s. Mary can row with a speed of 2.4 m/s. What is her speed with respect to the shore
q1.an underwater diver sees the sun 50 degrees above horizontal. how high is the sun above the horizon to a fisherman
An automobile has a total mass of 2200 kg. It accelerates from rest to 70 km/h in 40 s. Assume each wheel is a uniform 44 kg disk. find the total kinetic energy of the automobile
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