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a wire loop of radius 040 m lies so that an external magnetic field of magnitude 040 t is perpendicular to the loop the
a person drops a cylindrical steel bar y 150 times 1011 pa from a height of 300 m distance between the floor and the
a moon of a planet like the earth is 424 times 105 km distant from the planets center and it completes an orbit in 355
what is the mass percent of the helium in a mixture that has an equal number of he and ch4
a satellite is in a circular orbit 1000 km above the earths surface ie it moves on a circular path under the influence
there are two stable isotopes of copper their masses are 629296 amu and 649278 amu if the average atomic mass of copper
an airplane travels 170 ms as it makes a horizontal circular turn which has an 14 km radiusa what is the magnitude of
the carbonyl peak of benzaldehyde appears as a very strong and intense peak at 1703 cm -1 normally the carbonyl peak of
two billiard balls have velocities of 20 ms and -10 ms when they meet in an elastic head-on collision what is the final
a person consumes 1800 calories per day about seven dunkin donutsa how many joules is thisb how many kwh is thisc how
a 1600 kg car traveling eastward at 32 ms collides at an intersection with a 700 kg motorcycle traveling northward at
a flask contains 400 ml of 5 m phosphate buffer that has a ph of 75 what volume of 1 m hcl should be added to drop the
an organic compound was synthesized amp a sample of it was analyzed amp found to contain only c h n o amp cl it was
the substances nacl na2co3 mgso4 and nh4cl used for test solutions are all soluble ionic compounds for each substance
consider a series lrc circuit with r66 l019 h and c01 microf the current is 15 ma amplitude at 17 khz remember 2f
the mineral bauxite which is mostly al2o3 is the principal industrial source of aluminum metal how much aluminum can be
a stick is resting on a concrete step with 29 of its length hanging over the edge a single ladybug lands on the end of
the element gallium has two naturally occurring isotopes 69ga and 71ga the atomic mass of 69ga is 689256 amu and 71ga
a thin film of acetone n 125 coats a thick glass plate n150 white light is incident normal to the film in the
a system gains 2850 j of heat at a constant pressure of 132 times 105 pa and its internal energy increases by 4100 j
a short train an engine plus four cars is accelerating at 140 ms2 the mass of each car is 370times104 kg and each car
a current of 0750 a passes through a solenoid wound with 150 turns per centimeter a proton moves around a circular path
a long straight wire lies in the plane of a circular coil with a radius of 0040 m the wire carries a current of 50 a