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if you move towards an emitter of yellow light lambda 580nm at half the speed of light find what wavelength would you
a penny is located 145 centimeter from the center of a turntable when the speed of the turntable is slowly increased
a 10 kilogram block is set in motion up a 20o inclined plane with an initial speed of 80 ms with no extra forces
the sound intensity level at a rock concert is 115 db while that at a jazz fest is 95 db find the ratio of sound
an elevator has a mass of 1000 kilogram and carries a maximum load of 800 kilogram a constant frictional force of 4000
a rocket in a fireworks display explodes high in the air the sound spreads out uniformly in every directions the
determine how much work is required to push a 1500 kilogram vehicle 1000 meter up a 10o inclinea if kinetic frictions
a ball bearing is shot horizontally at 30 ms and falls for 50 seca determine how far does it fall verticallyb determine
the force of the wind on the sails of a sailboat is 390 newton north the water exerts a force of 180 newton east if the
an olympic long jumper is capable of jumping 80 meter suppose that his horizontal speed is 89 ms as he leaves the
a particle of mass m is moving in the positive x direction at speed v after a certain constant force is applied to the
a 257 kilogram log is pulled up a ramp by means of a rope that is parallel to the surface of the ramp the ramp is
a 600 ohm resistor 100 mh inductor and a 120 microf capacitor are connected in series to a 550 volt rms source having
a diathermy machine used in physiotherapy generates electromagnetic radiation that gives the effect of deep heat when
an inductor is connected to an ac power supply having a maximum output voltage of 700 volt at a frequency of 380 hertz
it is possible to shoot an arrow at a speed as high as 121 msa if friction is ignored determine how high would an arrow
a bag of cement of mass m is located on plank of length l bag is located a distance of l4 from one end of plank plank
a mechanic pushes a 360 x 103 kilogram van from rest to a speed of v doing 4800 joule of work in the process during
a rock with mass 12 kilogram is fastened to a mass less string with length 80 meters to form a pendulum the pendulum is
a skier is gliding along at 309 ms on horizontal friction less snow he suddenly starts down an 119 degree incline his
a rock is tossed straight up with a velocity of 345 ms when it returns it falls into a hole 171 meter deepa find is the
a record was set for stair climbing when a man ran up the 2100 steps of the empire state building in 10 min and 10 sec
you 50 kilogram mass skate on ice at 40 ms to greet your friend 40 kilogram mass who is standing still with open arms
a small object with momentum 50 kg ms approaches head-on a large object at rest the small object bounces straight back
a 70 kilogram astronaut is space-walking outside the space capsule and is stationary when the tether line breaks as a