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an earthquake strikes a small college and shakes all of the books off the shelves if the librarys holdings amount to
an eagle is flying horizontally at 67 ms with a fish in its claws it accidentally drops the fisha how much time passes
a woman on a bridge 805 m high sees a raft floating at a constant speed on the river below she drops a stone from rest
a 500 lines per mm diffraction grating is illuminated by light of wavelength 510nma how many diffraction orders are
the central star of a planetary nebula emits ultraviolet light with wavelength 104nm this light passes through a
a conducting sphere that carries a total charge of 25 microc is placed at the center of a conducting spherical shell
a jogger accelerates from rest to 240 ms in 344 s a car accelerates from 188 to 365 ms also in 344 sa find the
in a uniform electric field of magnitude e the field lines cross through a rectangle of area a at an angle of 770deg
an electron is suspended at a distance of 136 cm above a uniform line of charge what is the linear charge density of
two point charges q1 230 nc and q2 100 nc are located on the x-axis at x 0 and x 100 m respectively where on the
two people with a combined mass of 115 kg hop into an old car with worn-out shock absorbers this causes the springs to
a fireman tosses his 085-kg hat onto a peg where it oscillates as a physical pendulum see the figure below if the
a hollow conducting sphere with an outer radius of 0246m and an inner radius of 0195m has a uniform surface charge
a projectile is fired from the ground you can assume the initial height is the same as the ground in a field so there
a researcher observes hydrogen emitting photons of energy 255ev what are the quantum numbers of the two states involved
rubidium atoms are cooled to 022 uk in an atom trapwhat is their de broglie wavelengthhow many times larger is this
zinc has a work function of 430 eva 500ev photon strikes the surface and an electron is emitted what is the maximum
image intensifiers used in night-vision devices create a bright image from dim light by letting the light first fall on
a starship voyages to a distant planet 10 ly away the explorers stay 10yr return at the same speed and arrive back on
an idealized voltmeter is connected across the terminals of a 155-v battery and a 750 ohm appliance is also connected
a bird watcher meanders through the woods walking 0261 km due east 0315 km due south and 174 km in a direction 725 deg
an electron starts from rest 725 cm from a fixed point charge with q -0200 microc how fast will the electron be moving
suppose a cube of aluminum which is 100 cm on a side accumulates a net charge of 230 pca what percentage of the
a homemade capacitor is assembled by placing two 7 in pie pans 10 cm apart and connecting them to the opposite
a child operating a radio-controlled model car on a dock accidentally steers it off the edge the cars displacement 058