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a if a hydrogen atom makes a transition from then 6 state to the n 5 state decide the wavelength of the photon created
an electron that has energy of approximately 80e01 ev moves between rigid walls 13 nm aparta discover the quantum
a system comprises of two billiard balls having the same mass 2 kg eachthat roll toward each other moving at the same
suppose you are holding a circular ring of wire and abruptly thrust a magnet south pole first away from you toward the
a singly charged positive ion has a mass of 250 x10-26 kg after being accelerated during a potential difference of 100v
a cylindrical aluminium pipe of length 142 m has an inner radius of 19010-3 m and an outer radius of 29010-3 m the
a ray of light strikes a plane mirror at a 45deg angle of incidence the mirror is then rotated with alpha 34deg into
a cylindrical tank of 16 m in radius rests atop a platform 60 m high initially the tank is full with water to a depth
a 100 ohm resistor a 50 ohm resistor and a 20 ohm resistor are associated in parallel and placed across a potential
a person whose eyes are 180 m above the floor stands in front of a plane mirror the top of her head is 015 m above her
1 a baseball fan sitting the ldquocheap seatsrdquo is 255m from home plate how much time elapses among the instant the
1 a steel cable with total length 20m and mass 100kg is linked to two poles the tension in the cable is 2000 n and the
a positive charge q 640000 c is uniformly distributed over the volume of a sphere of radius r 150 m assume a spherical
a van de graaff generator is utilized to demonstrate the effects of high potential the device has a radius of 295cm and
an archer shoots an arrow toward a 300 g target that is sliding in her direction at a speed of 230 mson a smooth
two shuffleboard disks of equal mass one orange and the otheryellow are involved in a perfectly elastic glancing
an electric motor rotating a workshop grinding wheel at a rate of 118 revmin is switched off suppose the wheel has a
a dentists drill starts from rest after 350 s of constant angular acceleration it turns at a rate of 24104 revmin1
a grating gives no third-order spectrum for any part of the visible spectrum 700 nm ndash 400 nmwhat is the least
a cylinder by a piston contains 250 mol of ideal oxygen at a pressure of 240 x 10nbspnbspnbsp 5 pa and a temperature of
an 800 g bullet is fired into a 230 g block that is initially at rest at the edge of a table of 100 m height the bullet
a 1200 kg car traveling initially with a speed of 250 ms in an easterly direction crashes into the rear-end of a 8200
the average speed of a nitrogen molecule in air is about 669 ms and its mass is 443times10-26 kg if it takes
an unknown mass of silver is pulled from a furnace where its temperature was 900c and placed on a very large block of
a turbine in an electric power plant rotates at 3600 rpm discover its angular speed in radianssecond and decide the