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the two blocks areconnected by heavy uniform rope with mass of 400 kg an upward force of 200n is applied as show in fig
a 1500 kg minicar is pulled with a force of 11kn at angle of 30 degrees from the horizontal if the coefficient of
a laser is used in eye surgery to weld a detached retina back into place the wavelength of the laser beam is 550 nm
a block of mass m1 175 kg and a block of mass m2 590 kg are connected by a massless string over a pulley in the shape
a red line wavelength 620 nm in the third order overlaps with a blue line in the fourth order for a particular grating
when a diver jumps off a diving board into a pool while in the air it is easier to somersault while their body is
a satellite in earths orbit is accelerating towards the earth explain why on average the satellite is not getting
the central bright fringe in a single slit diffraction pattern from light of wavelength 487 nm is 22 cm wide on a
a block of mass 40 kg is attached to a string and the string is attached to a springk320nm the string goes over a
the hamiltonian of a system of two spin- 12 electron h 1z12z2 where z is the pauli matrix is an energy parameter and
a helium-filled balloon escapes a childs hand at sea level and 211 deg c when it reaches an altitude of 3000 m where
you hear a sonic boom of a high speed jet plane exactly 290 s after it passes directly overhead in level flight at the
a solid block is attached to a spring scale the reading on the scale when the block is completely immersed in water is
a particle moves at a constant acceleration along the curve x2 x1100 from point a to point b the velocity of the
water has a density of 1000 kgm3 1 atm 1013 x 105 nm2 water at a gauge pressure of 44 atm enters a building at ground
water is pumped out of a well at 5000 ms through a 8000 cm diameter hose the well is 3000 ft deep what power is needed
what is the lowest frequency in hz that will resonate in a 3 m length organ pipe closed at one end velocity of sound
a person working on the transmission of a car accidentally drops a bolt into a tray of oil the oil is 486 cm deep the
the vibration of a system in the ground state is called zero point motion because the molecule is at zero kelvin the
a projectile proton with a speed of 350 ms collides elastically with a target proton initially at rest the two protons
one section of a steel railroad track is 27 m long if its temperature increases by 22 k during the day how much does
a 055 kg projectile is launched from the edge of a cliff with an initial kinetic energy of 1550 j and at its highest
to verify her suspicion that a rock specimen is hollow a geologist weighs the specimen in air and in water she finds
four objects are situated along the y axis as follows a 206 kg object is at 296 m a 297 kg object is at 242 m a 251 kg
a rectangular coil with dimensions of 80 cmtimes10 cm is dropped from a zero magnetic field position to a 14 t magnetic