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a car of 1200 kg mass enters an unbanked curved roadbed of radius 70 m the coefficient of static friction between the
in alpha particle with a kinetic energy of 051 mev approaches a stationary gold nucleus what is the speed of the alpha
a projectile is fired with an initial horizontal velocity of 20 ms and vertical velocity of 10 msa what is the initial
the ideal gas model is valid ifthe gas pressure is lowthe gas density is low and the temperature is lowthe gas density
the four strings pass over the bridge of a violin as shown below the strings make and angle of 720deg with the normal
a uniform cylindrical satellite has four tangential rockets mass 3600 radius 40m what is the required steady force of
in the figure here a red car and a green car move toward each other in adjacent lanes and parallel to an x axis at time
a rotating wheel requires 800 s to rotate 280 revolutions its angular velocity at the end of the 800-s interval is 990
sewage at a certain pumping station is raised vertically by 513 m at the rate of 1 860 000 liters each day the sewage
a power factor is 072 lagging and the power dissipated is 375w 120v and a resistance of 10 ohms showing all working out
an entertainer when performing a bubble trick forms one bubble inside another the surface tension of the bubble liquid
what factors affects a team cohesiveness if you were a team leader how to be more and foster better relationships among
the air table is approximately 25 cm squared if the incline has a rise of 1 cm over the distance what is the maximum
a tank is 2m above the connection to the water controls the water then travels up a vertical pipe to the shower head
a certain conductor has 620 1028 free electrons per cubic meter a cross-sectional area of 400 10-6 m2 and carries a
a muonic atom is an atom containing a muon like an electron but 2064630 times the electron mass calculate the radius of
two points are given in polar coordinates by r 30 m 400deg and r 50 m -400deg respectively what is the distance
positronium is a hydrogen atom with the proton replaced by a positron like electron but w positive charge calculate e1
a block of mass m 200 kg is attached to a spring of force constant k 415 nm as shown in the figure below the block is
prove that wiens displacement law for max requires that ehv in the planck radiation law please do not give me links or
in an experiment on the photoelectric effect a cessium plate is illuminated with uv light of wavelength 2000 angstroms
in addition to the line lambda 2537 angstroms the mercury spectrum has a strong line at lamda 1849 angstroms in an
a man is riding in a cart with mass m at speed v along a frictionless horizontal surface he jumps off in such a way as
at the same instant that a 20-kg ball is dropped from 50 m above earth a second ball with a mass of 10 kg is thrown
the work function of zinc is 36 ev what is the maximum energy of the photoelectrons ejected by uv light of wavelength