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the electric field of a sinusoidal electromagnetic wave obeysthe equation e - 375 vmsin 597 1015rads t 199
what must the celsius temperature be if 20 moles of a gas in a 40 l steel container has a measured pressure of 100
give an example of a ketone which will produce a positive iodoform test and another ketone w the same of carbon atoms
to stop a gas leak from gas well the gas was deliberately set on fire until leak could be stopped what pollutant
a 60 kg suitcase is being pulled along the ground by means of a strap which exerts a force of 20n at an angle of 30
a 175 g mass of ice at 273 k is added to 125 g of h2ol at 325 k at constant pressure is the final state of the system
an object is being acted upon by 3 forces and moves with a constant velocity one force is 40n along the x axis the
two coils are wound around the same cylindricalform when the current in the first coil is decreasing at a rate of-0240
a light string can support a stationary hanging load of270 kg before breaking a280 kg object attached to the
a 911-g piece of zinc metal is dissolved in 75-ml of 35-m hcl and hydrogen gas is evolved the exact amount of 50-m naoh
the rod in question c is now lies horizontally supported on eachend by a piece of wood point a is the end farthest from
a 75 kg block is being pulled up a 25 degree slope by a force of 200n which is parallel to the slope the coefficient of
a 4 kg particle moves at a constant speed of 25 ms around acircle of radius 2 mwhat is its angular momentum about the
how many metric tons of 7 -s coal would be needed to yield the h2so4 required to produce a 84 cm rainfall of ph 200
from the ground a projectile is fired with a velocity of 30msat 30 degrees above the horizontal how long will the
limonene mw 136 is a pleasant smelling liquid found in lemon and orange peels the bp of limonene is 175 but it
a 150-gm ball is attached to a 3-m long string to form apendulum the pendulum is pulled until it forms an angle of
a train engine weighs 5 times as much as a flatbed car if theengine coasts a 3 kmhr into the boxcar that is initially
a 100 kg crate is pulled up a rough incline with an initialspeed of 15 ms the pulling force is 1000 n parallel to
a piece of solid carbon dioxide with a mass of 540g is placed in a 100-l vessel that already contains air at 715torr
an object 2 cm tall is placed 40 cm to the left of a converging lens of focal length 10 cm what is the location and
a 040 kg ball attached to the end of a horizontal cord isrotated in a circle of radius 16 m on africtionless horizontal
the ionization energy for potassium is 419 rm kjmol the electron affinity for bromine is -325 rm kjmol use these values
a child on a merry-go-round is moving with a speed of 140 ms when 110 m from thecenter of the merry-go-rounda calculate
a 2500ml sample of 01966 m v2 solution requires 4897 ml of 3000 m ce4 for titration the ce4 is converted to ce3 in the