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a horizontal pipe 10 cm in diameter has a smooth reduction to a pipe 5 cm in diameter if the pressure of the water in
a a water hose 400 cm in diameter is used to fill a 250 l bucket if it takes 300 min to fill the bucket what is the
a 140 kg block of metal measuring 120 cm x 100 cm x 100 cm is suspended from a scale and immersed in water the 120 cm
hoover dam was built in the 1930s to provide electricity for the southwest us and to prevent the wild colorado river
a bluetooth headset has an intensity of 008 wm2 at 5 cm distance if you carry your phone on your belt 75 cm from the
a turn on a racetrack has a radius of curvature of 2000 ft and a bank angle theta if cars travel at 140 mph through the
a tetherball apparatus consists of a ball attached to a 210 m rope that is attached in turn to the top of a 250 m tall
a disk of radius 215 cm rotates about its axis points on the disks rim undergo tangential acceleration of magnitude 113
one lens of a nearsighted persons eyeglasses has a focal length of -217 cm and the lens is 170 cm from the eye if the
a laserpointer has a beam intensity of 55 wm2 and a beam radius of 21 mm a first grader attempts to use it to move a
a wheel with a tire mounted on it rotates at the constant rate of 259 times a second a tack is stuck in the tire at
an explosion breaks an object into two pieces one of which has 15 times the mass of the other if 7800 j were released
a lab technician is testing new energy drink formulations on a series of hamsters the hamsters are given a certain
an undiscovered planet many lightyears from earth has one moon in a periodic orbit this moon takes 190 days on average
a rocket of total mass 3180 kg is traveling in outer space with a velocity of 115 ms toward the sun it wishes to alter
a flywheel for energy storage in a hybrid gasoline-electric car is a ring-shaped rotor of mass 49 kg designed to rotate
in a large steam engine a horizontal rod is attached to a flywheel by means of a frictionless pivot 95 cm from the
a wheel is spinning at 46 rads when an acceleration of 075 rads2 is applied if the acceleration lasts for 140
calculate the solubility of mgco3 in pure water ksp 35 e8 then calculate the solubility of the same mgco3 in a 010 m
a 108 g frisbee is 30 cm in diameter and has about half its mass spread uniformly in a disk and the other half
calculate the ionic strength of a solution that is made 1222 m agno3 plus 0215 m mgcl2 plus 140 m
you have 855 ml of a solution that is composed of 152 grams of nh3 and 222 grams of aluminum chloride mixed well kb for
a string is wrapped many times around a pulley and is connected to a block with mb 4749 kg that is hanging vertically
effect on the development of western civilization then consider on the jews and their lieshow does mls essay written
two blocks are connected by a string over a frictionless massless pulley such that one is resting on an inclined plane