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a 20 meter long steel wire cross-section 10 cm2 youngs modulus 20 x 1011 nm2 is subjected to a load of 25000 newton
two ice skaters with masses of 54 kilogram and 70 kilogram are at the center of a 50 meter diameter circular rink the
an electromagnetic wave has an electric field given by e yt 385 x 105 vm cosky-1160 x 1013 rads tkhata determine in
a copper ball with a radius of 14 centimeter is heated until its diameter has increased by 021 millimeter assuming an
a 20 g bullet traveling at 159 ms is fired into a 0413 kilogram wooden block anchored to a 99 nm spring assuming no
an individual is running around a turn with an 11 meter radius at 375 meter per second find what is the runner
the final angular velocity of a golf swing was 370 degs with a constant angular acceleration of 580 degs2 compute how
the velocity of a simple harmonic oscillator is given by v787cos262t mks units to the nearest hundredth of a meter
if the linear velocity of a club head in the golf swing is 50 meter per second at impact obtain the angular velocity if
a diver accelerates through a somersault at 950 degs from standing find what is the angular displacement over 15
the equipotential surfaces surrounding a point charge are concentric spheres with the charge at the center if the
a 150 l 40 gal electric hot-water tank has a 50 kw heater determine how many minutes will it take to raise the water
consider two of the equipotential surfaces one with a potential of 10 volt and the other with a potential of 17 volt
a tennis player swings her 1100 gram racket with a speed of 11 meter per second she hits a 60 gram tennis ball that was
a cart initially at rest accelerates at a constant rate a from time t0 0 to time t1 and then moves at constant speed
the receiver for a dish antenna is located in front of the concave surface of the dish if the radius of curvature of
a 30 kilogram particle has a velocity 30i -25j ms and a 2 kilogram particle has a velocity 10i60j ms obtain the
in an experiment designed to measure the speed of light a laser is aimed at a mirror that is 47 kilometer due north a
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a charge q 197 x 10-8 c is surrounded by an equipotential surface with a surface area of 123 m2 find what is the
we can reasonably model a 90-w incandescent light bulb as a sphere 70 centimeter in diameter typically only about 5
describe two ways in which you would incorporate personal space into the selection or training of occupants of an
a freezer has a coefficient performance of 630 the freezer is advertised as using 516 kw-hya on average find how much
a 5 kilogram object is moving to the right x with a speed of 4 meter per second when it experiences a 2 newton force in
a styrofoam cooler has total wall area including lid of 080 m2 and wall thickness of 20 centimeter it is filled with