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determine the center of mass of a 1 meter long side square whose sides have been made from 4 different metals of lead
an 85 gram ice cube at -10degc is put into a thermos flask containing 200 cm3 of water at 30degc find by how much has
a proposed ocean thermal-energy conversion otec system is a heat engine that would operate between warm water
a 004 kilogram lead bullet traveling 209 meter per second strikes an armor plate and comes to a stop if all of the
determine how much force is exerted on one side of an 850 centimeter by 11 centimeter sheet of paper by the
a space station shaped like a giant wheel has a radius 101 meter and a moment of inertia of 506 x 108 kgbullm2 a crew
two stationary point charges of 4 nc and 2 nc are separated by a distance of 60 centimeter an electron is released from
a car tires contain 00380 m3 of air at a gauge pressure of 220 times 105 nm2 find how much more internal energy does
determine what force is needed to cause a 1000 kilogram car traveling with a speed of 20 meter per second to come to a
an electron is located in a uniform electric field of 45 x 104 nc that points to the right e 16 x 10-19 c electron
the space shuttle typically orbits 400 kilometers above the earths surface the earth has a mass of 598 times 1024
a 3 kilogram cart moves on an air track at 12 meter per second it collides with and sticks to another cart of mass 5
a 15 gram rubber bullet hits a wall with a speed of 150 meter per second the bullet bounces back with a speed of 120
a tiny 00250 microgram oil drop containing 15 excess electrons is suspended between to horizontally closely-spaced
two large closely spaced parallel metal plates are uniformly and oppositely charged and the electric field between them
a 500-turn circular coil with an area of 050 m2 is mounted on a rotating frame that turns at a rate of 200 rads in the
a thin spherical copper shell of radius 95 centimeter carries an excess charge of -42 nca find how many excess
you stand in the earths magnetic field directly facing its horizontal component in other words facing magnetic south
you are a meteorologist while taking present weather observations you note that the sky is full of wispy cirrus clouds
a transformer is used to operate a model train the transformer which is plugged into a standard electrical outlet
the x y and z components of a magnetic field are bx 015 t by 016 t and bz 017 t a 25 centimeter wire is oriented
a hole of radius r has been drilled in a flat circular plate of radius r the centre of the hole is at a distance d from
an empty beer can have a mass of 50 gram a length of 12 centimeter and a radius of 33 centimeter suppose that the shell
find what are the elements present in sulphur and mention its advantages and
a cyclist uses 27000 joules per minute this is about 385 food calories per hour to cycle at a constant pedaling rate of