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a mass at the origin is pulled by four perpendicular ropes with a force of 10n in the direction of the positive y axis
a bottle has a mass of 3500 g when empty and 9844 g when filled with water when filled with another fluid the mass is
you need to dissolve cacl2 in water to make a mixture that is 380 calcium chloride by mass if the total mass of the
consider an infinite non-conducting plane sheet of charge the sheet has a uniform charge density 3sa calculate the
a negatively charged ball having a mass of 10 grams falls from rest in vacuum from a height of 3 meters in a uniform
what is the ph of the buffer that result when 12 g of nah2po4 and 800 g of nahpo4 are diluted with water to a volume of
describe the difference between the following and list any particular advantage possessed by one over the other
a penny slides off a table 30in high and falls straight to the floor how long does it take for the penny to
a curved surface of a liquid which has its vapor pressure at equilibrium with the surroundings has a higher vapor
a pendulum bob is released from the some initial height such that the speed of the bob at the bottom of the swing is
this procedure has actually been used to weigh astronauts in space a 425- chair is attached to a spring and allowed to
a glass tube is attached to a water pipeif the water pressure at the bottom of the tube is 120kpa and the local
give the structure of the major and minor organic products formed when hbr reactw with e-44-dimethyl-2-pentene in the
a tensile specimen has a 10mm minimum diameter and a 50mm guage lenght the stress and strain follow a linear behaivour
the standard kilogram is a platinum-iridium cylinder 390 mm in height and 390 mm in diametern what is the density of
a closed auditorium of volume 25700 m3 is filled with 2050 people at the beginning of a show and the air in the space
the football has a mass of 40kg and the quarterback that threw the ball accelerated it from rest to 25 ms in a distance
a charged object has two forces acting on it f1 4 newtons pointing up at 120 degrees from the positive x axis and f2 8
two boxes of masses m and 2m are in contact with each other on a frictionless surface what is the acceleration of the
an old lady carries a 4kg potted plant to the top of a 100m tall building what is the kinetic energy of the plant when
a 271 g sample of kcl from the chemistry stockroom is found to be radioactive and it is decaying at a constant rate of
a pot with a steel bottom 850mm thick rests on a hot stove the area of the bottom of the pot is 0150m2 the water inside
200 mol of a monaromic gas at atmospheric pressure has a total internal energy of 748x103j what is the volume occupied
the mass of the moon is 734 x 1022 kg and its average radius is 1785 kma between january 1998 and december 1998 the
a cannon fires a cannon ball with an inital speed of 67 ms at an angle of 35 degrees above the horizontal what is the