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the creation of elements in the early universe and in the starsinvolves protons tunneling through nuclei find the
can any one explain that how mircrowave can heat the food that contains water though mircrowave carrys a little
a light wave was reflected off of a mirror at an angle of15deg what was the incident
a standing wave on a tight string experiment is set up in thelaboratory one end of the string is attached to an
air at 50 relative humidity is cooled isobarically at 1 atm from 90 degrees celcius to 25 degrees celcius how many
a 628 kg canoeist stands in the middle of her canoe the canoe is 33 m long and the end that is closest to land is 25 m
reaction of 15 g calcium chloride with 34 g of silver nitrate gives 27 g of silver chloride write the balanced formula
titanium694x10-190 and silicon 777x10-19 j surfaces are irradiated with uv radiation with a wavelength of 199 nm what
a gel filtration column has a void volume of 4 ml and total volume of 15ml what volume would be needed to pass through
a laser emits a cylindrical beam of light 25 rm mm in diameterif the averagepower of the laser is 22 rm mw what is the
a person suffering from hyponatremia has a sodium ion concentration in the blood of 0118m and a total blood volume of
a heavy flywheel rotating on itscentral axis is slowing down because of friction in its bearingsat the end of the first
the atwood machine in the figure consists of masses m1 120 kgand m2 105 kg and a solid pulley with a diameter of 61
a 5221 g sample of water at 822 degrees celsius is added to a sample of water at 258 degrees celsius in a constant
a skater stands at rest in a skating rink and throws a baseball m15 kg at a speed of 35 meters per second if the mass
a 1400 kilogram car crashes into a tree it was going 200 meters per second and it was brought to rest in 04 seconds
juan is g years old and eva is 2 years younger than juanafind the sum of their ages in terms of gbfind the sum of their
classify each of the following actions by whether it causes a leftward shift a rightward shift or no shift in the
calculate the theoretical yelled percentage of a reaction between sodium and water if 250 g of sodium react with excess
a 153 kg ball is attached to a ceiling by a 306 m longstring the height of the room is 512 m the acceleration of
what are the transition metals in a periodic table
a tightrope walker is practicing she isbalanced on a rope at the exact midpoint of the rope the tensionin the rope is
calculate the energy difference delta e for the transition of n4 to n2 for 100 mol of hydrogen
what would be the average atomic mass of the
a shipping container is hauled up a roller ramp that iseffectively frictionless at a constant speed of 210 ms by a2250