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a 100 kg block is pulled at a constant speed of 62 ms across a horizontal floor by an applied force of 123 n directed
a cubical box of widths lx ly lz l 482 nm contains eight electrons what is the energy of the ground state of this
an ideal toroidal solenoid has a cross-sectional area of 0560cm2 a mean radius of 120cm and 1650 turns what is the
a stone dropped into a pond generates a travelling wave group approximately 1 m long the waves within the group have a
sometimes as a solute dissolves in a solvent the solute molecules dissociate to some extent sometimes solute molecules
the only force acting on a 21 kg canister that is moving in an xy plane has a magnitude of 54 n the canister initially
the combination reaction of sodium metal and chlorine had to form sodium chloride is represented by this
a wire has a length of 620 10-2 m and is used to make a circular coil of one turn there is a current of 280 a in the
the synthesis of the activated form of acetate acetyl-coa is carried out in an atp-dependent processacetate coa atp
it is claimed that if a lead bullet goes fast enough it can melt completely when it comes to a halt suddenly and all
a 10 kg block of ice has a temperature of -8degc the pressure is one atmosphere the block absorbs 420 106 j of heat
the ropes in the figure below are each wrapped around a cylinder and the two cylinders are fastened together the
estimate the mass of potassium hydrogen phthalate khp that will require 25 ml of 010 m naoh to reach the equivalence
a 728 kg skier encounters a dip in the snows surface that has a circular cross section with radius of curvature of 129
at a fabrication plant a hot metal forging has a mass of 75 kg and a specific heat capacity of 430 jkgmiddotdegc to
1 what mass of nacl is dissolved in 200 g of water if the freezing point of the solution is -214 degc kfwater 186
in the figure two blocks are connected over a pulley the mass of block a is 79 kg and the coefficient of kinetic
an ice chest at a beach party contains 15 cans of soda at 5degc each can of soda has a mass of 036 kg and a specific
a 105-kg horizontal platform is a uniform disk of radius 177 m and can rotate about the vertical axis through its
306 ml of a 0208 m solution of silver nitrate will react with 146 ml of a 0170 m solution of sodium phosphate to
block b in the figure weighs 740 n the coefficient of static friction between block and table is 024 angle is 31deg
a baseball approaches home plate at a speed of 480 ms moving horizontally just before being hit by a bat the batter
an aluminum baseball bat has a length of 081 m at a temperature of 20degc when the temperature of the bat is raised the
a steel section of the alaskan pipeline had a length of 65 m and a temperature of 12degc when it was installed what is
a liquid has an equilibrium pressure of 130 torr at 25c and is placed into a 1l vessel what is the pressure difference