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a battery with an emf of 120 volt shows a terminal voltage of 1182 volt when operating in a circuit with three 93 w
two railroad cars each of mass 59000 kilogram are traveling 85 kmh toward each other they collide head-on and come to
a vertical spring ignore its mass whose spring constant is 895 nm is attached to a table and is compressed down by 0150
heather in her corvette accelerates at the rate of 310i - 200jms2 while jill in her jaguar accelerates at 100i 310j
a helicopter lifts a 75 kilogram astronaut 12 meter vertically from the ocean by means of a cable the acceleration of
a superconducting solenoid has 30427turnsm and carries a current of 2000 amp find the magnetic field generated inside
in an r-l-c circuit r 400 ohm xc 240 ohm xl 580 ohm the average power consumed in the resistor is 600 watt determine
a boy rolls a ball on a level floor 35 meter to another boy if the ball makes 150 revolutions evaluate what is its
when an 820 kilogram adult uses a spiral staircase to climb to the second floor of his house his gravitational
a box of canned goods slides down a ramp from street level into the basement of a grocery store with acceleration 063
a child of mass 600 kilogram is rescued from a hotel fire by leaping into a firefighters net the window from which he
a solenoid has a circular cross section with a radius of 3 centimeter 800 turns and a length of a 70 centimeter it sits
the bohr model of the hydrogen atom pictures the electron as a tiny particle moving in a circular orbit about a
comet grigg skjellerupyes thats its real name has an orbital period of 509 yearsa find the comets orbital semi-major
if a man can jump a maximum horizontal distance by using a 45 degree projection angle of 20 meter on the earth
you want to drop a bundle of all your class notes quizzes tests worksheets and term papers on the 50 yard-line of lynn
a dentist uses a mirror to examine a tooth that is 075 centimeter in front of the mirror the image of the tooth is
a ball and bat approach one another each with the same speed of 290 ms collidea determine the speed of the ball after
you mass 80 kilogram and your friend mass unknown are in a rowboat mass 60 kilogram on a calm lake you are at the
suppose unpolarized light of intensity 150 wm2 falls on the polarizer and the angle is 30 degrees what is the light
a centrifuge in a medical laboratory rotates at an angular speed of 3600 revmin when switched off it rotates through
a potters wheel moves uniformly from rest to an angular speed of 017 revs in 35 seconda compute its angular
a pair of narrow parallel slits separated with 0270 mm is illuminated by the green component from a mercury vapor lamp
the tires on a new compact car have a diameter of 20 feet and are warranted for 64000 milesa find the angle through
a red laser emits photons with a wavelength of 635 nma if this laser has a power of 23 w how many photons does it emit