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at an accident scene on a level road investigators measure a cars skid mark to be 64 meter long the accident occurred
a boy flies a kite with the string at a 30 degree angle to the horizontal the tension in the string is 45
a transformer on a pole near a factory steps the voltage down from3600 v rms to 120 v rms the transformer is to deliver
an olympic long jumper is capable of jumping 80 meter suppose that his horizontal speed is 92 ms as he leaves the
a plane is heading south at a speed of 500 kmh there is a wind of a speed of 70 kmhr average heading southwest obtain
a worker pulls a box of mass 65 kilogram on the floor at an angle 20 degree above the horizontal the coefficient of
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