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mass-attenuation coefficient of aluminium al and lead pbin 300 kev is 1042e-01 and 4031e-01 respectively the material
one gram of radium 226 which has a half life of 1600 years has an activity of 10 cu how long would you have to wait
when stimulation voltage was increased above threshold did the force of contraction increase decrease or stay the same
james pushed his 2-kg toy truck across the kitchen floor with a force of 2 n if the floor provides 015 n of friction
a 30-kg object moving in the positive xdirection has a one-dimensional elastic collision with a 50-kg object initially
a 60-kg object moving 50 ms collides with and sticks to a 20-kg object after the collision the composite object is
a 24-kg ball falling vertically hits the floor with a speed of 25 ms and rebounds with a speed of 15 ms what is the
a 12-kg object moving with a speed of 80 ms collides perpendicularly with a wall and emerges with a speed of 60 ms in
a 040-kg particle moves under the influence of a single conservative force at point a where the particle has a speed of
you place 2 cups of 20 c water into a 20 c 2 kg aluminum pot over a 2 kw stove and leave to take an exam assuming all
a car moving with an initial velocity of 25 ms slows down at a constant rate of -4 ms2what distance does the car cover
a runner traveling with an initial velocity of 13 ms accelerates at a constant rate of 14 ms2 for a time of 2
a car traveling with an initial velocity of 15 ms accelerates at a constant rate of 26 ms2 for a time of 4 secondswhat
you push horizontally a textbook placed on a desk with a 15deg incline and the book slides upward how would you apply
four identical particles mass of each 040 kg are placed at the vertices of a rectangle 25 m 40 m and held in those
at t 0 a wheel rotating about a fixed axis at a constant angular acceleration of has an angular velocity of 15 rads
a 0145-kg ball is thrown horizontally at 190 ms and is hit back at -520 ms if the contact time between bat and ball
suppose you and a friend are test driving a new car you drove out of the dealership and go 10 miles east and then 8
to get to the sandwich shop you left home and drove 6 miles south and then 10 miles west if a bird flew from your house
at the end of a race a runner decelerates from a velocity of 9 ms at a rate of 0400a how far does she travel in the
what is the acceleration of a rock thrown straight upward on the way up at the top of its flight on the way
difference between copernicus and keplerexplain their view on the
1 why is it helpful to measure the specific gravity of a mineral2 how would a minerals specific gravity be affected
in the mass-spring virtual lab at open the link in a new browser window to prevent your quiz from locking out
objects with masses of 185 kg and a 485 kg are separated by 0350 mat what position other than infinitely remote ones