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three objects are connected on the table as shown in figure p544 the table is rough and has a coefficient of kinetic
a 0060 kg tennis ball initially moving at a speed of 12 msis truck by a racket causing it to rebound in the
a student decides to measure the muzzle velocity of a pelletshot from his gun he points the gun horizontally he places
a spring with a spring constant of 40ncm has a cage attachedto one end how much work does the spring force do on the
a beam of light with red and blue components of wavelengths 670 nmand 425 nm respectively strikes a slab of fused
a proton accelerates from rest in a uniform electric field of660 nc at some later time its speedis 110 multiplied by
a phonograph record has an initial angular speed of 36 revmin therecord slows to 13 revmin in 2 seconds what is the
near earth the density of protons in the solar wind a stream ofparticles from the sun is 880cm-3 and their speed is
a 50-g of ice cube at 0c is heated until 45g has become water at 100c and 50g has become steam at 100cnbsp how much
a 82 kg object moves in a horizontal straight line withan initial speed of 53 ms if it is stopped along that linewith a
a window has a glass surface are of 16x103 cm2 and a thickness of 30 mma find the rate of energy transfer by conduction
equipotential surface a has a potential of 8350 vwhile equipotential surface b has a potential of 16100 v aparticle has
the power supply for a pulsed nitrogen laser has a 0060micro-f capacitor with a max voltage rating of 25 kv if 10of
a daredevil decides to jump an canyon itswalls are equally high and 10 m apart he takes off by driving amotorcycle up a
a vertical electric field of magnitude 100 x 104 ncexists above the earths surface on a day when a thunderstorm
the pressure in ideal gas is cut in half slowly while being kept in a container with rigid walls in the process 265 kj
a horizontal force of 210n is exerted on a 20 kg discus as itrotates uniformaly in a horizontal circle at arms length
a 180 w light bulb is plugged into a standard 110 voutlet how much does it cost per month 31 days to leavethe light
what is the maximum energy that a free electron initiallystationary can acquire in a collision with a photon of energy
a 200 kg block is held in equilibrium on an incline of angletheta 60deg by ahorizontal force vector f applied in the
the dipole moment of a water molecule is62times10minus30 cmiddotm what is the electric potentialdue to this dipole at a
a box is sliding with a speed of 450 ms on ahorizontal surface when at point p it encounters a roughsection on the
a car with a mass of 1000kg is traveling with a velocity of12msthe friction due t air resistance is 750na what is the
the ammonia molecule nh3 has adipole moment of 48e-30 cmiddotm ammonia molecules in the gasphase are placed in a
a circular steel plate of radius 010 m is cooled from350oc to 20oc by what percentage does the plates area