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a uniform electric field of 15 times 104 nc is oriented in the positive x direction a uniform magnetic field of 5 t is
potassium hydroxide is used to precipitate each of the cations from their respective solution determine the minimum
three resistors of resistance 2 3 and 4 are connected in series with a 10 v batteryin which resistor is the greatest
21 g of helium at an initial temperature of 120 deg c and an initial pressure of 10 atm undergo an isothermal expansion
a particle is in the ground state of an infinite square well find the probability of finding the particle in the middle
two charges are positioned on the x axis a charge of 4 c is located at x 5 cm and a charge of 2 c is located at x -5
consider the titration of 1000 ml of 0100 m h2nnh2 kb 30 10-6 by 0200 m hno3 calculate the ph of the resulting
the temperature of 13 kg of water is 34deg c to cool the water ice at 0deg c is added to it the desired final
a solid sphere with a radius of 10 cm is rolling freely on a horizontal surface the velocity of its center of mass is
1000ml of 0400 moll cocl2 aqueous is mixed with 1000ml of 1600 moll naoh determine the moles of precipitate which form
a what is the ph to nearest 001 ph unit of a solution prepared by mixing 670 ml of 00755 m hbro and 890 ml of 0130 m
a 1000ml aliquot of a weak base is titrated with hcl the equivalence point is reached after 1721ml of 04332 moll hcl
a spring with a spring constatn of 1200 nm is placed at the bottom of an inclined plane with an angle of 30 degrees
a solid cylinder with a mass of 10 kg is attached to an inclined planea 2kg block is attached to a string that is
a hockey player wants to pass the puck to his team mate the puck needs to go a distance of 30 meters before coming to a
cholesterol is a compound suspected of causing hardening of the arteries a 502 g sample of cholesterol was analyzed and
a 1600 kg car is traveling with a speed of 10 ms the driver slams on breaks which give a force of 800 n how far does
a simple pendulum is released from the horizontal position the length of its string is 15 m and the mass is 50 g when
if the string is wrapped to the pulley and a downward force is applied to the string the pulley rotates is the
neglecting any effects caused by volume changes would you expect the ionic strength to 1 increase 2 decrease or 3
a 2000 m wide river has a current of vectorv 2 i ms a boat which has a maximum speed of 5ms with respect to the river
a 170-kg rock is released from rest at the surface of a pond 100 m deep as the rock falls a constant upward force of
an airplane is travelling horizontally with a speed of 50 ms 500m above the ground a package is released from the plane
question 3 suppose that it is announced that sa laboratory in your city accidentally released some radioactive gas
you are to prepare a buffer at a ph of 900 using 050 molliter hcn and 036 molliter nacn if you begin with 2500ml of 036