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while helping an astronomy professor you find a binary star system in which the two stars are in circular orbits about
the length of an individuals forearm and hand is 300 centimeter and the mass of an individuals hand and forearm is 150
an archer fires an arrow by an initial velocity of 21 ms at an angle of 50 from the horizontal the arrow lands on a
a glass windowpane in a home is 062 centimeter thick and has dimensions of 112 m times 210 m on a certain day the
three point charges are placed at distances of d 2d and 3d from a point p the particle that is 2d away from p has a
a 020 kilogram baseball is dropped and reaches a speed of 10 ms just before it hits the ground it rebounds with a speed
a single slit forms a diffraction pattern with monochromatic light the 8th minimum of the pattern occurs at an angle of
a 116 gram cube of ice at 0degc is dropped into 10 kilogram of water that was originally at 82degc determine the final
an uncharged nonconductive hollow sphere of radius 120 cm surrounds a 140 microc charge located at the origin of a
a 85 gram ice cube at 0degc is located in 730 gram of water at 22degc determine the final temperature of the
a 150 gram aluminum cup contains 1100 gram of water in thermal equilibrium with the cup at 80degc the combination of
the six strings of a guitar are the same length and under nearly the same tension however they have different
a 100 kilogram horizontal uniform tray is attached to a vertical ideal spring of force constant 190 nm and a 270 gram
1 explain the two separate methods by which cholecystokinin ckk and leptin act on the cns to restrict food intake2 name
a gas expands from 1 m3 to 2 m3 at a constant pressure of 500 pai determine how much work did the gas doii compute the
consider the waves on a vibrating guitar string and the sound waves the guitar produces in the surrounding air the
two identical conducting spheres each having a radius of 0500 cm are connected with a light 240 m long conducting wire
lead pellets mass of each is 080 gram is heated to 200degc find how many pellets must be added to 480 gram of water
a uniform disk of 10 kg mass and 05 m diameter rolls without slipping on a flat horizontal surface if the velocity of
derive an expression for the energy needed to launch an object from the surface of earth to a height h above the
the temperature of a gold bar rises by 10degc when it absorbs 0677 kj of energy by heat the mass of the bar is 525 gram
an aluminum rod is 17 centimeter long at 20degc and have a mass of 350 gram if 14000 joule of energy is added to the
a charge 505nc is placed at the origin of an xy-coordinate system and a charge -199nc is placed on the positive x-axis
a thermo pane window consists of two glass panes each 050 centimeter thick with a 1 centimeter thick sealed layer of
which of the following statements explains weather1 weather is the current conditions in the troposphere2 weather is