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the electric field of a capacitor remains unchanged if the plates change their separation but the charges remain the
a spherical capacitor is formed from two concentric spherical conducting shells separated with vacuum the inner sphere
a mechanic pushes a 3450 kilogram car from rest to a speed of v doing 5743 joule of work in the process during this
two spaceships are traveling in the same direction with respect to an inertial frame of reference spaceship a has a
a rocket is launched vertically from rest and burns fuel at a constance rate of 136kgs exhaust gases are expelled with
a football player kicks a 041 kilogram football initially at rest and the ball flies through the air if the kickers
a cyclist rounds a curve of 9 meter radius on a horizontal plane if the coefficient of friction between the tires and
a mass of 50 g rotates on a smooth horizontal plane in a horizontal circle at the end of a string 1 meter long
show by snells law that if a light ray is bent toward the normal when entering a different medium then the speed of
a grinding wheel in the shape of a solid cylinder of radius 0333 meter is free to rotate on a frictionless vertical
a 14gram bullet is fired into the bob of a ballistic pendulum of mass 15 kilogram when the bob is at its maximum
a beam of electrons is accelerated through a potential difference of 10 kv before entering a velocity selector if the
a 100 g mass is located 100 centimeter from the center of a turn table the turn table slowly accelerates and the mass
find the force perimeter on a straight wire carrying 6 amp when it is located in a uniform magnetic field of 002 t the
a spring with k 15000 nm is located on a 30 degree incline and compressed some amount from its equilibrium position a
a ball of mass 09 kilogram and attaching it to the top of the door alice notices it is swinging to-and-fro rising to a
a 0141 kilogram glider is moving to the right on a frictionless horizontal air track with a speed of 0850 ms it has a
two masses of 5 kilogram and 10 kilogram and are connected by a compressed spring and rest on a frictionless table the
a 75 kilogram astronauts is walking outside the space shuttle and pushes a 400 kilogram satellite away from the shuttle
an engineer must design a curved exit ramp for a highway in such a way that a car exiting at the posted speed limit of
assume you wish to make a solenoid whose self-inductance is 30 mh the inductor is to have across sectional area of 120
a man walks first at a constant speed of 5ms along a straight line from point c to point d and then back along the line
a closed system is observed to have 51objects in it initially the total energy of the system is 6024 j after 88 hour
the potential difference across the terminals of a battery is v1 when there is a current of i1 in the battery from the
find how many grams of carbohydrate does a person of mass 74 kilogram need to metabolize to climb five flights of