A 13 g bullet traveling 235 ms penetratesa 20 kg block of
A 13 g bullet traveling 235 m/s penetratesa 2.0 kg block of wood and emerges cleanly at 174 m/s. If the block is stationary on a friction less surface when hit, how fast does it move after the bullet emerges?
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an ac generator has 90 rectangular loops on its armature each loopis 15 cm long and 6 cm wide the armature rotates at
a 9200 kg boxcar traveling at 18 ms strikes a second boxcar at rest the two sticktogether and move off with a speed of
the 2 ml of 02 m solution of naoh was added in 10 ml of 004 m solution of h3po4 calculate the concentration of hpo42-
you are standing at a distance d from a speaker that emits sound waves in all directions you walk 250 m toward the
a 13 g bullet traveling 235 ms penetratesa 20 kg block of wood and emerges cleanly at 174 ms if the block is stationary
the following data were obtained from experiments to find the molecular formula of procaine a local anesthetic which
a 100 kg box is pulled by a rope in the direction 20 degreesabove the horizontal the box is moving in horizontal
an engine absorbs 1695 j from a hotreservoir and expels 1204 j to a coldreservoir in each cyclea what is the engines
monel metal is a corrosion-resistant copper-nickel alloy used in the electronics industry a particular alloy with a
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