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when the dried-up seed pod of a scotch broom plant bursts open it shoots out a seed with an initial velocity of 264 at
at time t0 a grinding wheel has an angular velocity of 250rads it has a constant angular acceleration of 350rads2
a spherical conducting shell has 12 microcoulombs of positive charge inside on it the radii of the shell are rinner12
a particle with charge of 4 microcoloumbs is at the originanother identical particle is placed 2 m from the origin on
a thin circular disk of radius r 30 cm is oriented in the yz-plane with its center as the origin the disk carries a
a bubble with a volume of 100 cm3 forms at the bottom of a lake that is 400 m deep the temperature at the bottom of the
a hand pump is being used to inflate a bicycle tire that has a gauge pressure of 369 psi if the pump is a cylinder of
in western movies the hero sometimes detects an approaching trainby listening to the railroad tracks if the tracks are
a metal rod with a diameter of 230 cm and length of 108 m has one end immersed in ice at 320deg f and the other end in
a coil has resistance r5 ohms and inductance l5 millihenries and is powered by a generator with variable frequency and
a machine puts out 100 watts of power for every 1000 watts put into it what is the efficiency of the
a rock is tossed straight up with a velocity of 400 mswhen it returns it falls into a hole 115 m deep what is the rocks
consider the circuit take 600 v l 800 mh and r 400a what is the inductive time constant of the circuitmsb calculate
a motorcyclist is traveling along a road and accelerates for 450s to pass another cyclist the angular acceleration of
how do you work 835 in john r taylors classical mechanics a spacecraft in a circular orbit wishes to transfer to
a figure skater begins spinning counterclockwise at an angularspeed of 47 pi rads during a 49 s interval she slowly
while testing speakers for a concert tomaacutes sets up two speakers to produce sound waves at the same frequency which
a 100 kg block is suspended from a string and immersed in water the block has a volume of 002 m3 the water density is
a laser beam with vacuum wavelength 600 nm is incident from air onto a block of glass the line of sight of the
a beetle sits at the top of a bicycle wheel and flies away just before it would be squashed assuming that the wheel
an 800 m 200 n uniform ladder rests against a smooth wall the coefficient of static friction between the ladder and the
an astronaut has two objects that are identical in all respectsexcept that one is painted black and the other is
a cube of edge length 30 cm is positioned there is a uniform magnetic field 80t throughout the region of 30 degrees
by measuring the spectrum of wavelengths of light from our sun we know that its surface temperature is 5820 k by
in a physics lab experiment a student immersed 207 one-cent coins each having a mass of 300 g in boiling water after