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why is it quantitatively not acceptable to titrate each vinegar samples with naoh titrant to the same dark pink
a 3-kg object initially traveling at 6 ms in the negative x direction collides and sticks to a 4-kg object traveling at
a refrigerator has a coefficient of performance of 215 each cycle it absorbs 330times104 of heat from the cold
make the 3 polynomial functions a0 a1b1x a2b2xc2x2 orthonormal in the interval -1ltxlt1 by determining appropriate
a pendulum consists of a compact 030 kg bob attached to a string of length 190 m a block of mass m rests on a
a heavy wooden block rests on a flat table and a high-speed bullet is fired horizontally into the block the bullet
a photon of red light wavelength 710 nm and a ping-pong ball mass 260 x 10-3 kg have the same momentum at what speed
a ceiling fan has five blades each with a mass of 090 kg and a length of 066 m the fan is operating in its low setting
an electron collides elastically with a hydrogen atom that is initially at rest assume all the motion occurs along a
when the d line of sodium light impinges an air-diamond interface at an angle of incidence of 30 degrees the angle of
a jewel smith wishing to buff a finished piece of jewelry attaches a buffing disk to his drill the radius of the disk
a spherical 034 kg orange 20 cm in radius is dropped from the top of a building of height 33 m after striking the
what mass of sodium benzoate should add to 150ml of 15 m benzoic acid solution to obtain a buffer with a ph of
a 0052 kg mass oscillates on a spring with a frequency of 82 hz and an amplitude of 0025 mawhat is the spring
a certain superconducting magnet in the form of a solenoid of length 070 m can generate a magnetic field of 100 t in
a garden hose with an internal diamter of 19 cm is connected to a stationary lawn sprinkler that consists merely of a
list 4 isotopes with their approximate atomic weight and approximate percentages commonly found in organic molecules
the distance traveled is dependent on the initial velocity the acceleration and the time of travel an object initially
a charge of 50 mc is placed on the y axis at y 30 cm and a 77-mc charge is placed on the x axis at x 40 cm if both
a bar 50 m long has its center of gravity 15 m from the heavy end if it is placed on the edge of a block 15 m from the
an electron moving at 360 103 ms in a 110 t magnetic field experiences a magnetic force of 140 10-16 n what angle does
the air tanks used by a certain fire department each contain 250 l of air at a pressure of 2000atm and a temperature of
an aircraft engine takes in an amount 9000 of heat and discards an amount 6400 each cyclea what is the mechanical work
a satellite is in a circular orbit very close to the surface of a spherical planet the period of the orbit is 185 hours
a satellite of mass 310 kg is launched from a site on the equator into a circular orbit at 8000 km above earths surface