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one cylinder in the diesel engine of a truck has an initial volumeof 600 cm3 air is admitted to the cylinder at 30 c
a 25 kg solid sphere radius 010m is released from rest at the top of a ramp and allowed to roll without slipping the
an electron gun sends electrons through a region with an electricfield of 15 104 nc for a distance of 25cm if the
a camera is supplied with two interchangeable lenses whose focallengths are 350 and 1500 mm a woman whose height is 180
the drawing shows a baggage carousel at anairport your suitcase has not slid all the way down the slope andis going
aircraft a weighs 1000kg traveling at 25ms crashes into aircraft b weighing 1500kg that is parked after the collision
determine the tangential andcentripetal components of the net force exerted on a car by theground when its speed is 40
a thin stick of mass 400 grams is 2 meters long and is free to pivot about a point at one end initially at rest the
a 50kg woman is in a rotor with a 2m radius laying against theinner surface the friction between the womanrsquos
a 900- and a 600- resistor are connected in parallel whenthis combination is connected across a battery the
if an organ pipe is to resonate at 228 hz what is its requiredlength if it is open at both ends the speed of sound in
the owner of a van installs a rear-window lens that has a focallength of -0298m when the owner looks out through the
a 250 mw coal-fired power plant burns fuel with an energy density of 350 mj kg-1 water enters the temp reduction
the primary coil of a step-up transformer is connected across the terminals of a standard wall socket and resistor 1
which requires more heat- a kg of air raised 20degrees celsius to 30 degrees celsius or a kg of aluminum raised from
suppose you are planning a trip in which a space craft is to travelat a constant velocity for exactly eightmonths as
a 390-mh inductor has a reactance of 240 komegaa what is the frequency of the ac current that passes through the
four identical particles of mass050 kg each are placed at the verticesof a 15 m multiplied by 15 m square andheld there
a pool ball istraveling at 20 ms towards an identical pool ball which isinitially atnbsprest after thecollision the
a stick of uniform density with mass m 8 kg and lengthl 07 m is pivoted about an axle which is perpendicularto its
the recovery time of a hot water heater is the time required to heat all the water in the unit to the desired
the momentum and the kinetic energy of particle ais six timesand seven times the momentum andthe kinetic energy of
the potential energy stored in the compressed springof a dart gun with a spring constant of 6650 nm is 1040 jfind by
calculate the change in potential energy of a 928 kg man when he takes an elevator from the first floor to 29th floor
cosmic microwave background radiation fills all space with anaverage energy density of 4 x 10-14 jm3 what is the