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the rod in question c is now lies horizontally supported on eachend by a piece of wood point a is the end farthest from
a 75 kg block is being pulled up a 25 degree slope by a force of 200n which is parallel to the slope the coefficient of
a 4 kg particle moves at a constant speed of 25 ms around acircle of radius 2 mwhat is its angular momentum about the
how many metric tons of 7 -s coal would be needed to yield the h2so4 required to produce a 84 cm rainfall of ph 200
from the ground a projectile is fired with a velocity of 30msat 30 degrees above the horizontal how long will the
limonene mw 136 is a pleasant smelling liquid found in lemon and orange peels the bp of limonene is 175 but it
a 150-gm ball is attached to a 3-m long string to form apendulum the pendulum is pulled until it forms an angle of
a train engine weighs 5 times as much as a flatbed car if theengine coasts a 3 kmhr into the boxcar that is initially
a 100 kg crate is pulled up a rough incline with an initialspeed of 15 ms the pulling force is 1000 n parallel to
a piece of solid carbon dioxide with a mass of 540g is placed in a 100-l vessel that already contains air at 715torr
an object 2 cm tall is placed 40 cm to the left of a converging lens of focal length 10 cm what is the location and
a 040 kg ball attached to the end of a horizontal cord isrotated in a circle of radius 16 m on africtionless horizontal
the ionization energy for potassium is 419 rm kjmol the electron affinity for bromine is -325 rm kjmol use these values
a child on a merry-go-round is moving with a speed of 140 ms when 110 m from thecenter of the merry-go-rounda calculate
a 2500ml sample of 01966 m v2 solution requires 4897 ml of 3000 m ce4 for titration the ce4 is converted to ce3 in the
a 250 g 400-cm-diameter turntable rotates onfrictionless bearings at 610 rpm a 170 g block sits at the center of the
use the standard enthaplies of formation to calculate the standard change in enthaply for the melting of ice -2918
if the average kinetic energy per molecule of a monatomic gasis 7010-21j what is the celsius temperature of the
why does it not matter if the erlenmeyer flasks are wet when the acid solutions are transferred into
a man pushes an 80n crate a distance of 5m upward along africtionless slope that makes an angle 30o withthe horizontal
a spacecraft approaching the earth launches an exploration vehicleafter the launch an observer on earth sees the
a race carm800kg starting from rest completes a 450m dragrace in a time of 3s the cars final speed is 90msneglecting
a potential difference of 90v is found to produce a current 50 a in a 750 m lenght of wire a uniform diameter of 285 m
an unstable nucleus with a mass of 18 x 10-27 kginitially at rest disintegrates into three particles one ofthe
a 450 kg bead slides on astraight frictionless wire with a velocity of 350 cms to the right the bead collides