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two blocks of mass m and 3m are placed on a horizontal frictionless surface a light spring is attached t one of them
an oscilloscope shows a steady sinusoidal signal of 5 volt peak to peak which spans 5 cm in vertical direction on the
a constant force vector f 80i90j120kn acts on a small object of mass 95 g if the displacement of the object is vector
how much much work is done by the horizontal force f10o n on the 15 -kg when the force puches the block 50 m up along
at room temperature a nitrogen moleculewith mass of 47610-26 kg typically has a kinetic energy of 5610-21 j how fast is
a ball with a mass of 0605 is initially at rest it is struck by a second ball having a mass of 0405 initially moving
what is the power lost by a transmission line made of al carrying 10 ka of current the line is 2km long and the
two particles of masses and are located 10 meters apart where is the center of mass of the system
a capacitance c and an inductance l are operating at the same frequencypart a at what angular frequency will they have
fred mass 63kg is running with the football at a speed of 58ms when he is met head-on by brutus mass 130kg who is
in a ballistics test a 22g bullet traveling horizontally at 1300ms goes through a 29cm-thick 320kg stationary target
during an earthquake the top of a building oscillates with an amplitude of 30cm at 14hzwhat is the maximum acceleration
a 337-m length of copper wire at 200degc has a radius of 023 mm if a potential difference of 70 v is applied across the
a at what height above the earth is the acceleration due to gravity 45 of its value at the surface mb what is the speed
mars has a small moon phobos that orbits with a period of 7 h 39 min the radius of phobos orbit is 94 x 106 mwhat is
a sensitive gravimeter at a mountain observatory finds that the free-fall acceleration is 85times103 ms2 less than that
the position of a 20 kg mass is given by x 2t3 - 3t2 m where t is in seconds what is the net horizontal force on the
two particles with masses m1 1 kg and m2 3 kg are moving toward each other along the x axis with the same initial
if an electric clothes dryer has a power rating of 5000 watts and is used for 1 hour per day how much money can be
two identical masses are in a hemispherical bowl of radius r one block is sitting at the bottom and the other is at the
imagine two blocks before and after colision initially the left hand block of mass m1 2 kg is moving towards the right
what are the disadvantages and the advantages of locating solar collectors on a vertical south-facing
a car of mass 8400 kg accelerates away from an intersection on a horizontal road when the car speed is 425 kmhr 118 ms
a power plant burns coal and generates an average of 6450 mw of electrical power while discharging 104490 mw as waste
a car m 6700 kg accelerates uniformly from rest up an inclined road which rises uniformly to a height h 360 m find