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a rock is dropped off the side of a bridge and hits the waterbelow 2s latera what was the rocks velocity when it hit
an insect sits on the edge of a spinning record that has aradius of 15m the insects speed is about 5ms when record
two identical small conducting spheres are separated by 060m the spheres carry different amounts of charge and each
would a reaction occur if a piece of sn metal were placed in a znso4 solution if so write a net ionic
the mass of a robot is 5420 kg this robot weighs 3670 n more on planet a than it does on planet b both planets have the
a space traveler weighs 635 n on earth what will the traveler weigh on another planet whose radius is three times that
a magnet in the form of a cylindrical rod has a length of490 cm and a diameter of 110 cm it has a uniform magnetization
a 63-kg bungee jumper has fallen far enough that her bungee cord is beginning to stretch and resist her downward motion
determine which possesses more mass a sphere of gold with a diameter of 200 cm or a cube of silver measuring 200 on
a 240 n sphere 020 m in radius rolls without slipping 60 m downa ramp that is inclined at 28 degrees with the
two forces vector f 1 and vector f 2 act on the 500 kg block shown in the drawing the magnitudes of the forces are f1
the passengers in a roller coaster car feel 50 heavier thantheir true weight as the car goes through a dip with a 400 m
1 in a common protein analysis a dye binds to the protein and the color of the dye changes from brown to blue the
when a 58-g tennis ball is served it accelerates from rest to a speed of 44 ms the impact with the racket gives the
a pronghorn antelope has been observed to cover 160 km with an average speed of 670 kmh the antelopes speed during the
a rocket weighs 1 x107 n while on the surface of the earth theignition of its engines results in a lift off force of 15
a phosphorus has a greater first ionization energy than magnesium and the reason for this is because p has a greater
petroleum is a fossil fuel containing many different carbon componds if the carbon atoms in petroleum have been in the
tarzan whose mass is 800 kg swingsfrom a 300 m vine that is horizontalwhen he starts at the bottom of his arc he picks
a generally speaking the heavier alkaline earth metals can be predicted to exhibit greater shielding of the outer-shell
the speed of a bobsled is increasing because it has an acceleration of 24 ms2 at a given instant in time the forces
the photon emitted or absorbed during an electronic transition between n 1 and n 2 in a hydrogen atom has a
when a 0111 kg mass is suspended at rest from a certain spring the spring stretches 410 cm find the instantaneous
a horizontal spring is lying on a frictionless surface oneend of the spring is attaches to a wall while the other end
anyway the question is a water molecule consists of an oxygenatom with 2 hydrogen atoms the bonds are 100nm in length