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one cubic meter of water flowing over the union falls in yellowstone national park drops 76 meter if all of the waters
a cylinder contains 4 moles of a monatomic gas at an initial temperature of 27oc the gas is compressed by doing 500
a man fires a pistol exactly sideways from a moving car the bullet is traveling at 214 meter per second the car is
four point charges are positioned on the rim of a circle the charge on each of the four is 05 acircmicroc 15
a narrow beam of light is incident from air onto a glass surface with an index of refraction of 156 obtain the angle of
we choose northern hemisphere locations and measured the suns angle above the northern horizon at midday determine how
a kid of mass m26 kilogram slides down a slide of height h29 meter without friction let gravitational potential energy
determine how much work is done by a battery generator or some other source of potential difference in moving avogadros
a small object of mass 378 gram and charge -172 microc is suspended motionless above the ground when immersed in a
a molecule of dna deoxyribonucleic acid is 235 microm long the ends of the molecule become singly ionized negative on
determine how much work is done on a 726 kilogram shot by the shot putter if he launches it at 45o and it lands 23
a 759 nc charge is placed 176 meter from a 446 nc point chargea evaluate the magnitude of the electrostatic force that
the body temperature of an 80 kilogram person is 40oc find at what rate in watts must the person transfer thermal
a full tank of oxygen o2 contains 128 kilogram of oxygen under a gauge pressure of 50 atm find the mass of oxygen that
a weather balloon is designed to expand to a maximum radius of 10 meter when in flight at its working altitude where
a bicycle pump contains air at stp as the tire is pumped up the volume of air decreases by 28 with each stroke
a box contains about 727 times 1021 hydrogen atoms at room temperature 21oc obtain the thermal energy of these
when making a long journey on the highway by vehicle the smith family drives at 88 kmh for 3 hour then takes a
a a pilot wishes to fly from san francisco to sacramento 138 kilometer northeast the wind is blowing from north at 24
if the velocity of an object in linear motion is given in terms of clock reading by the formula v15 ms2t-7 ms3t2
a barefoot field-goal kicker imparts a speed of 37 meter per second to a football initially at rest if the football has
household wiring often uses 20 millimeter diameter copper wires the wires can get rather long as they snake through the
a car traveling 81kmh strikes a tree the front end of the car compresses and the driver comes to rest after traveling
a very long uniform line of charge has charge per unit length 468cm and lies along the x-axis a second long uniform
you are driving home from school steadily at 98kmh for 130km it then begins to rain and you slow to 65kmh you arrive