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a 880kn spaceship comes in for a vertical landing from an initial speed of 100 kms it comes to rest in 250min with
determine how much energy is stored on a 14 muf capacitor that is charged to a potential difference of 50
if the magnitude of the magnetic force on a proton is f when it is moving at 130o with respect to the field what is the
a parallel-plate capacitor has plates with an area of 500 cm2 separated by 13 millimeter find what the electric field
a 500f and an 800f capacitor are connected in series and this combination is connected across a 460v potential
when a charge of 1800 x 10-4 c is applied to the plates of a capacitor the potential difference between the plates is
a projectile is launched vertically with an initial speed of 3 kilometer per second from the surface of a planet radius
two light bulbs use 30 w and 60 w respectively when connected in parallel to a 120-v source how much power does each
an astronaut construct a pendulum with a length of 1 m on a new planet if the period is 35 s determine what is the
an object acted on by three forces moves with constant velocity one force acting on the object is in the positive x
consider a transformer used to recharge rechargeable flashlight batteries that has 500 turns in its primary coil 6
a disk rotates with constant angular acceleration the initial angular speed of the disk is 2 rads after the disk
a bowling ball of mass 720 kilogram and radius 10 centimeter rolls without slipping down a lane at 350 ms compute its
a ball of mass 350kg is swung at the end of a 240m string such that the plane of its path is horizontal and the circle
four charges are located at the corners of a square of side 2 centimeter obtain the electrostatic energy of this system
a man of mass 74 kilogram stands at the center of a rotating merry-go-round platform of radius 32 meter and moment of
a 20-kg object is attached to one end of a horizontal spring that has a negligible mass and a spring constant of 250 nm
a potters wheel is rotating around a vertical axis through its center at a frequency of 18 revs the wheel can be
a car is moving south with an absolute velocity of 40 kmh an observer at o is stationed 50 m to the east of the line of
two converging lenses are separated by 2320 centimeter the focal length of each lens is 1220 centimeter an object is
in the model of hydrogen atom created by neils bohr the electron moves around the lone proton in the nucleus at a speed
a wire loop is located inside a magnetic field find the angle between field lines and surface of the area of the wire
oxygen and nitrogen are the two most common gasses in air both are diatomic knowing this define why the spectrum of air
a series dc circuit containing a 3 ohm resistor and a 5 acircmicrof capacitor is connected to a 120 volt 60 hertz
you are asked to design a spring that will give a 1210 kilogram satellite a speed of 275 meter per second relative to