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a girl of mass mg is standing on a plank of mass mp both are originally at rest on a frozen lake that constitutes a
what is the difference in the source material for the formation of coal as opposed to the formation of oil and natural
a switching power converter is designed to have efficiency of 95 when the output load is 100w the efficiency increases
1 explain why it is dangerous for a bus to carry standing passengers2 sea water of density 104gcm3nbspis being pumped
a boat of mass 120 kg floats in a stream you push on the boat with a pole exerting a force of 204-168 n the boat moves
a ball of mass m is thrown straight up in the air with an initial speed v0a find an expression for the maximum height
a- applying 50 grams causes the piezoelectric device to produce an output voltage of 095 volts and applying 750 grams
the figure below shows wire section 1 of diameter d1400r and wire section 2 of diameter d2200r connected by a tapered
the front wheel of a bicycle has a conducting rim whose electrical resistance is 001 ohm the bicycle is traveling along
a hovercraft of mass 730 kg can move on a horizontal surface the x-y plane a single unbalanced force acts on the
a closed rigid vessel having a volume of 1 m3 is filled with steam at 10 bar and 573 k heat is removed until the
give examples of 4 significant and active earthquake zones in north america tell what type of fault characteristics
a normal shock wave occurs in air at a point where the velocity is 600 ms and the stagnation temperature and pressure
a skateboarder of mass 645 kg is riding her 317-kg skateboard at a speed of 485 ms she jumps backward off her
discussion paragraph for matter waveswrite 1 or 2 paragraph 100 words thoughtful and on topic for the discussion of de
an 85n box of oranges is being pushed access a horizontal floor as it moves it is slowing at a constant rate of 090 ms
a particle m1 113 kg moving at 300deg downward from the horizontal withv1 243 ms hits a second particle m2 313 kg which
your friend stan is an aspiring magician he has an idea to perform a levitation trick using magnetic fields by
find the image location of the object placed at 20cm in front of the convex lens of focal length
calculate the buoyancy force exerted by a liquid of density 933 kgm3 on a cube of a metal with density 1643 kgm3 and
two dimensional kinematics a ball is thrown will speed of 13ms 7m above ground ball b is thrown in direction of 25
a 150 kg box initially sits at the bottom of a frictionless ramp it is pulled by a cable to the top of the ramp which
1 when studying a cause and effect relationships usually is the cause the dependent or the independent variable is the
1 the two forcesnbspbfvec f1nbspandnbspbfvec f2shown in the figurenbspfigure 1nbsplooking down act on a 150-rm