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a small car m1 is pushing a larger truck m2 thathas a dead battery the driver steps on the accelerator andpushes the
the diet of a 60 kg person provides 12000 kj daily ifthis amount of energy were added to 60 kg of water by how much
a coil of 35 resistor and inductance 205h is in series with acapacitor and a 200vrms 100hz source the rms current in
in attempting to jump start a car of mass 1100kg two brotherseach push with an equal force of magnitude 670n parallel
the image produced by a concave mirror is located 37 cm infront of the mirror the focal length of the mirror is 14 cm
a 0075-kg arrow is fiered horizontally the bowstring exertsan arerage force of 65 n on the arrow over a distance of
a 65 x 104-kg space probe is traveling at a speed of 14000 msthrough deep space retrorockets are fired along the line
a flying squid family ommastrephidae is able to jump off thesurface of the sea by taking water into its body cavity and
the inductance of a closely wound coil is such that an emf of30 mv is induced when the current changes at the rate of46
a box is sliding up an incline plane that has an angle of 15degrees with the horizontal the coeffiecient of
a 00400 kg golf ball initially at rest is given aspeed of 350 ms when a club strikesif the club and ball are in contact
a vibrator moves one end of a rope up and down to generate awave the tension in the rope is 57n the frequency is
a 470 g golf ball is driven from the tee with an initial speed of 560 ms and rises to a height of 260 ma neglect air
a ball rolls off the top of stairway with a horizontal velocity of 20ms the steps are each 200cm high and 200cm wide
you drive north on a highway then without changingspeed you round a curve and drive east what is the changer of your
a coin with a diameter of 240 cm is dropped on edge onto ahorizontal surface the coin starts out with an initialangular
dan hits a hockey puck giving it an initial velocity of 30ms if the coefficient of kinetic friction between ice and
a diver springs upward from a three-meter board at the instant shecontacts the water her speed is 890ms and her body
a person is riding a bicycle and itswheels have an angular velocity of 250 rads thenthe brakes are applied and the bike
a projectile is fired vertically from earths surface with aninitial speed of 46 kms neglecting air drag how far above
65kw is to arrive in a town over two 0100omega lines estimate how much power is saved if the voltage is steped from120v
a lumberjack m 98 kg is standing at rest on one end of afloating log m 230 kg that is also at rest the lumberjackruns
a solid horizontal cylinder of mass 90 kg and radius 130 mrotates with an angular speed of 600 rads about a fixed
scarlet has taken a summer job at a water park in her act sheglides up a 20 m high frictionless ramp then sails over a