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a solid metal sphere of radius a 130 cm is surrounded by a concentric spherical metal shell of inner radius b 250 cm
a small rock moves in water and the force exerted on it by the water is given by equation fkv the terminal speed of the
the left end of a long glass rod 800 in diameter with an index of refraction 160 is ground to a concave hemispherical
a 940kg motorboat accelerates away from a dock at 21ms2 t its propeller provides a thrust force of 40kn what drag force
two resistors 660 and 680 are connected in parallel the current through the second resistor is 380 aa determine the
a fan is turned off and its angular speed decreases from 85 rads to 5 rads in 50sa what is the magnitude of the angular
a 10 micro falad capacitor is charged so that the potential difference between its plates is 10 v a 5 micro falad
an airplane with a speed of 777 ms is climbing upward at an angle of 455 deg with respect to the horizontal when the
in a marathon race chad is out in front running due north at a speed of 388 ms john is 97 m behind him running due
in the bohr model of the hydrogen atom an electron moves in a circular path around a proton the speed of the electron
a curve in a road forms part of a horizontal circle as a car goes around it at constant speed 140 ms the horizontal
what if initially a charge 20 c is put on shell 1 with radius 32 m then a far away shell 2 initially neutral with
one common kind of computer keyboard is based on the idea of capacitance each key is mounted on one end of a plunger
the capacitance of an empty capacitor is 12microf the capacitor is connected to a 12-v battery and charged up with the
a dielectric-filled parallel-plate capacitor has plate area 100mm plate separation 100mm and dielectric constant
1 in humans most cancers are caused bya uv radiationb dietary fatc x-raysd tobacco2 a dna microarray is used toa detect
1 which of the following is nota major function of the plasma proteins in the blood2 what intertidal area has the
the high levels of pesticides found in birds of prey is an example ofaeutrophicationbthe green world
in the example from lecture bicoid behaved as a morphogen in the way it affected the expression of hunchback suppose i
cytokinesis-the actual process of cell division-has attracted theorists for well over 100 years it has been said that
the froghopper philaenus spumarius holds the world record for insect jumps when leaping at an angle of 580 above the
calculate the force required to pull a copper ball of radius 300 cm upward through a fluid at the constant speed 800
two stones are launched from the top of a tall building one stoneis thrown in a direction 300circ above the horizontal
a 10000 n car comes to a bridge during a storm and finds the bridge washed out the 650 n driver must get to the other
compare and contrast in terms of morphology and photosynthetic activity seaweeds vs marine vascular plantsno words