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mitch is driving the batmobile which he stole he is driving at a constant velocity of 40 ms at some point in time he
suppose you cycle 100 km to the east and 150 km north to get to a shopping mall from home after doing your shopping you
two boats are heading away from shore boat 1 heads due north at a speed of 294 ms relative to the shore relative to
a movig particle encounters an external electric field that decreases its kinetic energy from 9130 ev to 7570 ev as the
if the relativistic kinetic energy of a particle is 9 times its rest energy at what fraction of the speed of light must
two cylindrical glass beads each of mass m 20 mg are set on their flat ends on a horizontal insulating surface
a cart 49 m in length moving with a velocity of 49 msec is approaching a platform which is 98 m above the plane of the
the motion of a body falling from rest in a resistive medium is dvtdta-bvta find its initial accelerationb find the
the most abundant isotope of lithium li-7 contains three protons and four neutrons and has a mass of 701600 u what is
a ball is thrown straight upwards from the roof of a tall building the building is 600 m high a physics student in a
a body starts from rest moves in a straight line with constant acceleration and covers a distance of 196 meters in 4
a 210-m-wide river flows due east at a uniform speed of 35 ms a boat with a speed of 67 ms relative to the water leaves
a boy whirls a stone in a horizontal circle of radius 12 m and at height 15 m above level ground the string breaks and
two flat 40 cm times 40 cm electrodes carrying equal but opposite charges are spaced 20 mm apart with their midpoints
to cook a stew you use a 4-mm thick steel pot with a bottom surface area of 100 cm2 the heating takes place from a
a 3-m2 hot black surface at 80degc is losing heat to the surrounding air at 25degc by convection with a convection heat
a parallel plate capacitor has a capacitance of 85 microf when filled with a dielectric the area of each plate is 19 m2
an object of mass m 23 g and charge q 48 microc is attached to a string and placed in a uniform electric field that
two small plastic balls hang from threads of negligible mass each ball has a mass of 057 g and a charge of magnitude q
when two identical ions are separated by a distance of 83times1010m the electrostatic force each exerts on the other
two point particles of charge q1 46 microc and q2 81 microc are found to have a potential energy of 43 j what is the
a golf ball is struck at ground level the speed of the golf ball as a function of the time is shown in the figure where
suppose electrons in a tv tube are accelerated through a potential difference of 200 104 v from the heated cathode
a 10cm x 10cm x 10cm box is between the plates of a parallel-plate capacitor with two faces of the box perpendicular to
a boat can travel 15 kmhr in still water you want to cross a river 1 km wide by traveling east to west the river is