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a 570 g 650-cm-diameter solid cylinder rolls across the floor at 100 mswhat is the cans kinetic
an electric heater plugged into a 115-v ac outlet uses an average electric power of 1200 w what are the maximum
two identical spaceships are traveling in the same direction an observer on earth measures the first to have a speed
a spaceship traveling at speed 5c towards earth ejects a spacepod traveling in the forward direction at speed 25c
an electric heater plugged into a 115-v ac outlet uses an average electric power of 1200 w what are the rms current and
a solution that contains 550 g of ascorbic acid vitamin c in 250 g of water freezes at -234degc calculate the molar
a bat moving at 34 ms is chasing a flying insect the bat emits a 49 khz chirp and receives back an echo at 4944 khz at
a laser beam of unknown wavelength passes through a diffraction grating having 5530 after striking it perpendicularly
a cashew nut was burned and determined to have an energy value of 35calg the amount of nut burned was 09933g how many
an electron is located on a pinpoint having a diameter of 25 um what is the minimum uncertainty in the speed of the
an unknown number of moles of an ideal monoatomic gas expand reversibly from vi 230 m3 to vf 310 m3 at a constant
a solution of 750g of benzene and 750g of toluene has a total vapor pressure of 809mmhg at 303k another solution of
an experiment requires sound intensity 155 wm2 at the distance of 361 m in any direction from a speakerwhat total sound
how many grams of of ethylene glycol are needed per kilogram of water to protect the radiator fluid against freezing
a mixture of naci and sucrose of combined mass of 102 g is dissolved in enough water to make up 250 ml solution the
water flowing through a garden hose of diameter 279 cm fills a 250-l bucket in 150 mina what is the speed of the water
an engine with an output of 2470 w has an efficiency of 360 it works at 900 cycless how much work is done in each
a 253 ml benzene solution containing 261 g of an organic polymer has an osmotic pressure of 863 mmhg at 21degc
calculate the vant hoff factor of na3po4 in a 40 m solution whose freezing point is
a calculate the absolute pressure at the bottom of a fresh-water lake at a depth of 312 m assume the density of the
375 kg of water are in a well insulated container at 213 degrees celsius after 4184 kj of heat is added to the water
if you have 290 ml of water at 25 c and add 110 ml of water at 95 c what is the final temperature of the
a garden hose is attached to a water faucet on one end and a spray nozzle on the other end the water faucet is turned
calculate the heat flow through a 0500m long copper bar with a cross sectional area of 050 cm2 one end at 30 degrees