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a uniform beam rests on a cart with a portion of one end hanging out see figure below the overhanging portion is
a 210-kg robotic arm at an assembly plant is extended horizontally see figure below the massless support rope attached
1 using the actual value for specific heat of water and change in temperature from your experimenta calculate the
confused about direction wouldnt the magnetic field be 0 at the top point because the current from the right creates a
an electron of mass m is initially moving with a constant speed v where vltltc express all algebraic answers in terms
a ball of masses m1022kg that is moving with a speed of 55ms positive x direction collided head on and elastically with
two masses m110kg and m2 4kg are released from rest m1 moves down the incline a distance x8m and m2 moves up a
visible light ranging from 400 nm to 700 nm is focused on a diffraction grating the entire first order is observed but
a small 523 g model rocket lifts off the ground accelerating quickly 42 s later the engine cuts out at a height of 845
determine the total number statescm3 of energy states in silicon betweennbspevnbspandnbspevnbsp-4nbspktnbspatnbspt350 k
a 22 kg brick is dropped from a height of 10 m onto a small nail stuck vertically in a piece of wood assuming the nail
questionthe contestant in a circus game must hit a pad with a 50 kg mallet to cause a 10 kg object to slide up a pole
two stars are 80 light years away and can just be resolved by a 20 in telescope equipped with a filter that only allows
a protons speed as it passes point a isnbsp56000nbspms it follows the trajectory shown in the figure below in
in a typical van de graaff linear accelerator protons can be accelerated through a potential difference of 20 mv what
a 93nbspkgnbspdog takes a nap in a canoe and wakes up to find the canoe has drifted out onto the lake but now is
a basketball of mass 0643 kg is passed to a player of mass 900 kg who jumps off the floor while catching the ball the
a 6000nbspkgnbspopen train car is rolling on frictionless rails atnbsp250nbspmsnbspwhen it starts pouring rain a few
an ice hockey puck slides along the ice atnbsp15nbspmsnbspa hockey stick delivers an impulse ofnbsp84nbspkgsdotms
erica 35 kg and danny 48 kg are bouncing on a trampoline just as erica reaches the high point of her bounce danny is
a man standing on very slick ice fires a rifle horizontally the mass of the man together with the rifle is 70nbspkg and
as part of a safety investigation two 1900 kg cars traveling at 17 ms are crashed into different barrierspart a find
a child is sliding on a sled atnbsp13nbspmsnbspto the right you stop the sled by pushing on it fornbsp070nbspsin a
is smallpox the same as measleswhat is the difference between smallpox and
a certain radio station broadcasts at 1017 megahertz this is the frequency of oscillation of electrons in the