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an object is solid throughout when the object is totally submerged in ethyl alcohol its apparent weight is 152 n when
the horseshoe falls on the niagara river is about 50 meter high and 800 meter wide the water is moving at 10 ms and has
a 56 turn rectangular coil of dimensions 500 cm multiplied by 100cm is allowed to fall from a position where b 0 to a
is this idea correct the acceleration of the particle is constant so you can utilize the kinematic equations to
a proton moves by a velocity of v 4i 3j ms in a region in which the magnetic field is given with b -3i 4 j t what is
the distance to a point source is decreased with a factor of three suppose that the sound is emitted by the source
an at wood machine consist of 2 masses ma and mb which are linked by an inelastic cord of legible masses that pieces
a standard test of a small cell in an electric watch is for the cell to be able to supply 104 micro amps into a
water flows at 12 ms in a horizontal pipe by a pressure of 30x104nm2 if the pipe widens to twice its original radius
light with a frequency of 295 x 1015 hz ejects electrons from the surface of calcium which has a work function of 287
an electron moving by a velocity v in the positive x direction enters a region of uniform magnetic field that points in
a 216 n force is applied to the plunger of a hypodermic needle if the diameter of the plunger is 119 cm and that of the
a small electric immersion heater is utilized to heat 110 g of water for a cup of instant coffee the heater is labeled
a converging lens with a focal length of 140 cm and a diverging lens are placed 260 cm apart by the converging lens on
a dentist utilizes a mirror to examine a tooth that is 125 cm in front of the mirror the image of the tooth is formed
a converging lens has a focal length of 140 cm locate the images for object distances of a 140 cm b 467 cm and c 280 cm
when two or more resistors are connected in parallel to a battery1 the voltage across each resistor is the same2 the
a beam of light is emitted 80cm beneath the surface of a liquid and strikes the surface 70cm from the point directly
an electron starting from rest is accelerated during a potential dissimilarity and ends up with a de broglie wavelength
a hopper drops gravel at a rate of 75kgs onto a belt that moves by constant velocity v22ms what is the additional force
an explosion breaks an object initially at rest into two pieces one of which has 140 times the mass of the other if
5kg of lead shot at 893 degrees are poured into 5kg of water at 220 degrees discover the final temperature in degrees c
an electron has a speed of 650c a discover the speed of a proton that has the similar kinetic energy as the electron b
the maximum wavelength an electromagnetic wave can have and still eject an electron from a copper surface is 264 rm
a meter stick moving at 850c relative to earth approaches an observer at rest with respect to earth qualitatively how