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an air bubble is expelled by an underwater diver at a depth of 246 m as the bubble rises to the surface the pressure
a flask with a volume of 240l provided with a stopcock contains ethane gas c2h6 at a temperature of 284 k and
when an apple falls from a treeand strikes the ground without bouncing what happens to itsmomentum1 the speed of the
2500 j of heat is added to a system and 1800 j of work is done on the system what change in internal energy of the
a student performed the reaction of this experiment preparation of aspirin using a water bath at 90 degrees c instead
if the distance to a point source of sound is doubled by what multiplicative factor does the intensity
a 13 g bullet traveling 226 ms penetratesa 20 kg block of wood and emerges going 164 ms if the block is stationary on a
the highest-energy photons emitted by a hydrogen atom have an energy of 136 ev find the energy in joules of one of
at the beginning of a new school term a student moves a box of blocks by attaching a rope to the box and pulling with a
an object with a height of 244 cm is placed 353mm to the left of a lens with a focal length of 332 mm where is the
consider a spherical asteroid with a mass of 600times1015 kg and a radius of 970 km what is the speed of a satellite
a flat coil of wire is used with an lc-tuned circuit as a receiving antenna the coil has a radius of 025 m and consists
a 2 kg mass is attached to a rope that that is swung in a horizontal circle with a circumference of 3 meters what must
a circular coil enclosing an area of 160 cm2 is made of 190 turns of copper wire the wire making up the coil has
a hockey goalie in full gear has a mass of 100kg a 0145 kg puck is shot at him with a veloctiy of 49msa how fast must
a block with mass m 60 kg is attached to two springs with spring constants kleft 290 nm and kright 570 nm the block
a 100kg box having an initial speed of 30ms slides along a rough table and comes to rest estimate the total change in
a block is projected up a frictionless inclined plane with initial speed v0 347 ms the angle of incline is 321deg1
use the virial theorem to derive the bonnor-ebert instability explain the physics of the bonnor-ebert instability in
a bat strikes a 0145-kg baseball just before impact the ball is traveling horizontally to the right at 500ms and it
you are asked to design a robot that can right itself once it is left to free-fall bioinspired from a cat specify the
some particle of mass m is constrained to move on the surface of a vertical cylinder defined by 2 2 2 x y r where r
an infinitely long conducting cylinder of radius a carries a change qi per unit length if rho is the perpendicular
a 500 gram mass oscillates with an amplitude 90cm and a frequency of 18 hz determine its maximum speed and acceleration
draw the situation and define a workable set of generalized coordinates that could be used to solve the problem of a