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the ends of a thin bar are maintained at dissimilar temperatures the temperature of the cooler end is 14degc while the
you are standing in a street intersection watching a very fast car approach at a speed of 05c the car first shoots a
an astronaut has a heart rate of 65 beatsmin as measured with monitor on the spaceship what will the heart rate be as
the electromagnetic waves used in a microwave oven have a wavelength of 1224 cma what is the frequency of this
a square current loop 490 cm on all side carries a 510ma current the loop is in a 140 t uniform magnetic field the axis
a 10-g bullet moving 1000 ms strikes and passes during a20-kg block initially at rest as shown the bullet emerges from
two students perform an experiment with a train and a ball student a rides on a flatcar pulled at 835 ms by a train on
in the air over a particular region at an altitude of 500 m above the ground the electric field is 130 nc directed
yoursquore out at the park with some friends where there is an open-air concert standing 20 meters from the stage the
earthquakes are basically sound waves seismic waves traveling through the earth because the earth is solid it can
the blood flow speed through an aorta with a radius of115 centimeter is 0265 msif hardening of the arteries causes the
a red-hot object is measured to have a frequency of 10x 1014 hertz determine what is the celsius temperature of the
a 40 kilogram mass is attached to a spring that has a spring constant k2500nm and is resting on a frictionless
a pendulum is made up of a 20 kilogram mass suspended on a thin aluminum wire this pendulum has a period of exactly 40
a rectangular trough 15 meter long 070 meter wide and 050 meter deep is completely full of water one end of the trough
a freezer is used to maintain food at an inside temperature of exactly -55oc if the outside temperature of the freezer
an object c of mass 01 kilogram strikes a second object d of mass 03 kilogram that is initially at rest mass c has an
the hot glowing surfaces of stars emit energy in the form of electromagnetic radiation it is a better approximation to
the 1994 winter olympics included the aerials competition in skiing in this occasion skiers speed down a ramp that
an empty oven with a volume of 0106 m3 and a temperature of 292 kelvin is turned on the oven is vented therefore that
a horizontal beam 4meter long is attached to a vertical wall with a hinge at one end and a body of weight 500 newton
a skateboarder shoots off a ramp with a velocity of 68 ms directed at an angle of 60 degree above the horizontal the
an engraver utilizes a magnifying glass f 930 cm to examine some work as in the drawing the image he sees is
a horizontal uniform solid disk of mass 3 kilogram and radius 2 meter starts from rest and rotates about a vertical
the velocity of a diver just before hitting the water is -114 ms where the minus sign specifies that her motion is