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the star proxima centuri is of apparent magnitude 1105 and absolute magnitude 154 select the correct answer for the
a 100-kg block of copper at 200degc is dropped into a large vessel of liquid nitrogen at 773 k how many kilograms of
a hypodermic syringe contains a medicine with the density of water the barrel of the syringe has a cross-sectional area
a rock is dropped from a balloon that is moving horizontally the rock stays in the air for 3 s before it reaches the
a wooden cube just floats inside the water when a 200 gm mass is placed on it when the mass is removed the cube is 2 cm
a box of mass 11 kg slides down a frictionless slope and is stopped by a horizontal spring with a spring constant of k
questionlarry water purchased 45 weather balloons and several tanks of helium inflated the balloons attached them to a
is it true today that culture dictates innovation and if so are we moving towards an revolutionary use of technology
a body of volume 100 cc immersed completely in water contained in a jar the weight of water and jar before immersion of
a 2300 pf air-gap capacitor is connected to a 62 v battery if a piece of mica is placed between the plates how much
a what is the electric potential a distance of 21nbsp10-15nbspm away from a protonvb what is the electric potential
two parallel plates connected to a 155 v power supply are separated by an air gap how small can the gap be if the air
oasis b isnbsp60 kmnbspdue east of oasis a starting from oasis a a camel walksnbsp24 kmnbspin a direction 150deg south
a 120 g bullet is fired horizontally into a 100 g wooden block initially at rest on a horizontal surface after impact
how much weaker or stronger is the force of gravity acting upon a typical person at the surface of the earth relative
the record distance in the sport of throwing cowpats is 811 m this record toss was set by steve urner of the united
a 050 kg football is kicked from ground level with an initial velocity o 130 ms f 37 degree u 37 degrees above the
an electron massnbspmnbsp 911nbspnbsp10-31nbspkg is accelerated in the uniform fieldnbspenbspenbsp 170nbsp104nbspnc
dry air will break down if the electric field exceeds 30nbspnbsp106nbspvm what amount of charge can be placed on a
a huge 43 f capacitor has enough stored energy to heat 39 kg of water from 20degc to 95degc what is the potential
040-kg mass attached to the end of a string swings in a vertical circle having a radius of 18 m at an instant when the
why is motion on different axis considered separate from
explain the changes in the velocity acceleration and net force of a man with a parachute jumping off a plane you need
a stationary ball of mass 51 grams is hit with an average force of 86 n the interaction timenbspdeltat is 34
explain why the two direction vectors in the vector equation of a plane cannot be parallelexplain why three