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a glass sphere n 150 with a radius of 100 centimeter has a tiny air bubble placed 300 centimeter above its center the
a car with a mass of 13000 kilogram is traveling south at 120 ms collides with a car with a mass of 18000 kilogram that
a crate of mass 100 kilogram is pulled up a rough incline with an initial speed of 147 ms the pulling force is 930
a blackened roof measures 20 m by 50 m if the temperature of the suns surface is 6000k stefans constant sigma is 57 x
a 524-gram ball is thrown from the ground into the air with an initial speed of 163 ms at an angle of 274o above the
three point charges q -q and q a replaced at the corners of an equilateral triangle no other charged objects are nearby
the ceiling of an arena is 198 meter above the floor determine the minimum speed that a thrown ball would have to reach
in compressing the spring in a toy dart gun 4 joule of work is done when the gun is fired the spring gives its
while in orbit about the earth a space shuttles mass is 50000 kilogram and its speed is 8 kms evaluate what is its
two lightweight rods 24centimeter in length are mounted perpendicular to an axle and at 180 degree to each other at
the flywheel of a steam engine runs with a constant angular speed of 300 revmin when steam is shut off the friction of
the top of a tower much like the leaning bell tower at pisa italy moves toward the south at an average rate of 12 mmy
a transparent sphere of unknown composition is observed to form an image of the sun on the surface of the sphere
a 100 kilogram man is 34 of the way up a 10 meter ladder that is resting against a frictionless wall the ladder has a
a bicycle wheel with a mass of 25 kilogram and a radius of 33centimteter roll across a horizontal floor with a
a pendulum is made up of a 20 kilogram mass suspended on thin aluminum wire this pendulum has a period of exactly 4
a wheel rotating about a fixed axis with a constant angular acceleration of 20 rads2 turn through 24 revolutions during
a hollow cubical box is 0109 meter on an edge this box is floating in a lake with 14 of its height beneath the surface
an object is solid throughout when the object is completely submerged in ethyl alcohol its apparent weight is 164
a simple at woods machine uses two masses m1 and m2 starting from rest the speed of the two masses is 96 ms at the end
a 400 l copper can is filled with water at 500oc if the top is not capped determine how much water will overflow when
to find the acceleration of a glider moving down a sloping air track you measure itsnbsp velocities v1 and v2 at two
a long thin steel rod is 50000 centimeter long at 0oc when exposed to the summer sun its temperature is raised to 33oc
a proton is placed at a distance of 0400 meter from a point charge of 830 microc the repulsive electric force moves the
armadillos have an unfortunate defense mechanism that gets them slaughtered in large numbers on texas roads they