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a traffic light weighing 120 n hangs from a cable tied to two other cables fastened to a support the upper cable theta
for a fixed amount of gas at a constant temperature the volume increases as the pressure
if 187 ml of 0800 m hcl solution are needed to neutralize 500 ml of a household ammonia solution what is the molar
two different simple harmonic oscillators have the same natural frequency f910 hz when they are on the surface of the
a visitor to a lighthouse wishes to determine the height of the tower she ties a spool of thread to a small rock to
a 1050 kg air-track glider is attached to each end of the track by two coil springs it takes a horizontal force of 0500
a circular coil of wire of 200 turns and diameter 3 cm carries a current of 3 a it is placed in a magnetic field of 03
an airplane has a mass of 140 104 kg and each wing has an area of 330 m2 during level flight the pressure on the lower
a factory worker pushes a crate of mass 320kg a distance of 485 along a level floor at constant velocity by pushing
light traveling in air enters a material at an angle of 50 degrees with respect to the normal the refracted beam in the
refer to the periodic table and select the symbol of the element that fits each of the following descriptionsa the
a 03 kg ball traveling at 5 ms strikes a wall and rebounds elastically the collision took 002 seconds what is the
at a party300kg of ice at-420degc is added to a cooler holding 30 liters of water at 200degc what is the temperature of
suppose0430kg of water initially at390degc is poured into a 0300 kg glass beaker having a temperature of 250degc a 0500
instructions for antacid tablets may direct the user to take 2-3 tablets for reduction of stomach acid assuming that a
two months ago at the start of flu season you decide to get a flu vaccine shot from your doctor your roommate decides
why does heating dicyclopentadiene form cyclopentadiene whereas allowing cyclopentadiene to stand at room temperature
a10cm long animal tendon was found to stretch38mm by a force of130n the tendon was approximately round with an average
economic theory predicts that the price of a fast food hamburger whose principal ingredient is beef will be high
a spherical balloon has a radius of125m and is filled with helium how large a cargo can it lift assuming that the skin
a mixture of kclo3 and kcl with a mass of 0950 g was heated to produce o2 after heating the mass of residue was 0700 g
you throw a 20-n rock vertically into the air from ground level you observe that when it is a height 146 m above the
copper is reacted with h2so4 acid to form copper i sulfate hydrogen gas is produced during this reaction if 5 liters of
1-how is a role different from a status a-a role is located in the physical body b-a role involves behaviors c-a role
a factory worker pushes a 300kg crate a distance of 44 m along a level floor at constant velocity by pushing downward