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a 90 kg mess kit sliding on africtionless surface explodes into two 45kg parts one moving at 60 ms duenorth and the
a motion sensor and a force sensor record themotion of a cart along a track as shown above the cart is given apush so
a 1650 kg cannon which firesa 750 kg shell with a speedof 544 ms relative to themuzzle is set at an elevation angle of
what is the difference between series and parallel circuits specify in words and algebraic formula if possible the
a piece of ice of mass 00240 kg at an initial temperature of-110o c is placed in a well-insulated cup containing0100 kg
1 which one of the following statements is correct concerning ahydraulic lifta in a hydraulic lift a small forceapplied
a small object of mass 190times10minus2 kg andcharge 32 muc hangs from the ceiling by a thread asecond small object
a sphere of radius 412 cm and uniform surface charge density116mucm2 exerts an electrostatic force ofmagnitude
a tree is approximated as a 60m tall cylinder with a diameter of 3ma what is the weight of the tree using p as the
three 30 uc charges are at the three corners of an square of side050 m the last corner is occupied by a -30 uc charge
two point-source loudspeakers are a certain distance apart and a person stands 120 m in front of one of them on a line
how fast in kilometers per hour must a sound source be moving toward you to make the observed frequency 50 greater than
sound propagating through air at 30oc passes through avertical cold front into air that is 40oc if the soundhas a
when 21 mol of oxygen o2gas is heated at constant pressure starting at 0degc how muchenergy must be added to the gas as
a large storage tank open at the top and filled with waterdevelops a small hole in its side at a point 154 m below the
through a pipe 170 cm in diameterwater is pumped from the colorado river up to grand canyon villagelocated on the rim
two passenger trains a and b each 240 mlong pass a 40 m long railroad platform in winnepeg the trains are moving in
the current through two identical light bulbs connected in series is 025 amps the voltage across both bulbs is 100
a ray of light enter a light fiver at an angle of 15 degreeswith the long axis of fiver calculate the distance the
a droplet of ink in an industrial ink-jet printer carries acharge of 16x10-11 coulombs and is deflected ontopaper by a
consider a pair of forces one having a magnitude of 30 n andthe other having a magnitude of 40 n what maximum net
a tungsten light bulb filament has a surface area of 2610-5 m2 and is maintained at a temperature of25103 oc calculate
two small spheres spaced 200 centimeters apart have equal chargenbsp how many excess electrons must be present on each
in an electron diffraction experiment consider a screen with asingle vertical slit of finite width d in the
an electron with speed v0 17 multiplied by 106 ms is traveling parallel toan electric field of magnitude e 70