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a 12-v battery is connected in series with a switch 60-ohms resistor and coil what energy is stored in the coil when
a plastic bar is rubbed with fur and the bar aquires a net charge of 834 uca determine the net charge on the fur and
you are the science officer on a visit to a distant solar system prior to landing on a planet you measure its diameter
a steel ball of mass 05 kg is fired vertically up from the edge of a building 20 m high with an initial speed of 10 ms
a piece of rock reads 2776 n on a scale when in air but 1893 n in a fluid of unknown specific gravity the rock has a
an ac generator supplies a peak not rms voltage of 150 v at 600 hz the generator is connected in series with a 35-mh
in an amusement park water slide people slide down an essentially frictionless tube they drop 28 m and exit the slide
a uniform ball with a mass of 125 is rolling without slipping along the horizontal surface of a table with a speed of
a 54-kg skier coasts up a snow-covered hill that makes an angle of 25deg with the horizontal the initial speed of the
a container holds 005 m3 of ethanol at a temperature of 15 degrees celcius the temperature is then raised to 75 degrees
two springseach w spring constant 20nmconnected parallel amp combination hung vertically one end10-n weight is
the starter motor of a car engine draws an electric current of 270 a from the battery the copper wire to the motor is
a car weighs 1725 kg and is speeding on i-75 at 90 miles per hour the brake rotors are made of 20 kg of iron and steel
a person is losing thermal energy through the skin at a rate of 120 w when his skin temperature is 30degc he puts on a
a golf ball is hit horizontally from the edge of a ramp it lands at an elevation 200 m below and its trajectory upon
a 67-kg skier coasts up a snow-covered hill that makes an angle of 25deg with the horizontal the initial speed of the
a uniform 215- kg spinning disk with a radius of 0233 m is brought to rest by a brake-pad pressed against the side 0149
i take 10 kg of ice and dump it into 10 kg of water and when equilibrium is reached i have 20 kg of ice at 0degc the
what is the root-mean-square speed of chlorine gas molecules at a temperature of 320 k r 831 jmoltimesk na 602 yen
a pulsed proton beam is fired at a target each pulse lasts 450 ns and there are protons in each pulse each proton
a child is riding a merry-go-round which has an instantaneous angular speed of 125 rads and an angular acceleration os
a mechanic tests the tension in a fan belt by pushing against it with his thumb figure 528 the force of the push is 130
two water waves meet at the same point one having a displacement above equilibrium of 60 cm and the other having a
how would you determine the density of the paper that you use in a photocopy machine and computer printer given the
a cube of ice is taken from the freezer at -77degc and placed in a99g aluminum calorimeter filled with297g of water at