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you and your friend sam are putting new shingles on a roof pitched at 21 degree you are sitting on the very top of the
a father racing his son has two-fifths the kinetic energy of the son who has half the mass of the father the father
an electron accelerated from rest through a voltage of 370 volt enters a region of constant magnetic field if the
calculate the radius of an electrons orbit when it moves perpendicular to a magnetic field of 052 t with a speed of 615
an 830 kilogram sports car can drive around an unbanked turn at a max speed of 58 ms without slipping urn has radius of
a 021-m-long 015 kilogram thin rigid rod has a small 022 kilogram mass stuck on one of its ends and a small 0080
a person stands on the roof of a 15 m tall building and throws a rock with a velocity of magnitude 30 ms at an angle
a learner heats up a one-half liter 050 x 10-3m3 glass pyrex beaker of cold coffee initially the temperature is 18oc
a carton of bananas weighing 350 newton rests on a horizontal surface the coefficient of static friction between the
a thin spherical shell of silver has an inner radius of 20 x10-2 meter when the temperature is 18 degree celsius the
two tiny spherical water drops with equal charges of -400 x 10-17 c have a center-to-center separation of 14
a ship moves through the water with two forces acting on it one is an 1800n forward push by the propeller and the other
a 56 gram bullet leaves the muzzle of a rifle with a speed of 332 ms calculate what force is exerted on the bullet
a 450 kilogram girls is standing on a 150 kilogram plank the plank is at rest and is on no friction lake surface she
a water balloon is released from rest from the top of the thurmond marshall school of law ignore the air resistance
a canadian car dealer claims that his product will accelerate at a fix rate from rest to a speed of 110kmh in 900
a fisherman yanks a fish vertically out of the water with an acceleration of 25ms2 using very light fishing line that
you drive on interstate 10 from san antonio to houston half the time at 57 kmh and the other half at 82 kmh on the way
calculate the force of attraction which the earth exerts on a body of mass 1 kilogram at the distance of the moon 384 x
a 110 kilogram object undergoes an acceleration of 15 ms2a find the magnitude of the resultant force acting on itnb if
a fighter plane is launched from an aircraft carrier with the aid of its own engines and a steam-powered catapult the
a freight train has a mass of 18 x 107 kg if the train can exert a constant pull of 78 x 105n find how long does it
a child pushes a 5 kilogram machine along a horizontal floor with a force p which makes an angle theta30o below the
a 22 kilogram steel block is at rest on a steel table a horizontal string pulls on the blocka find the minimum string
one wire in a high voltage transmission line carries 1000 amp starting at 500 kv for a distance of 300 meter if the