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a ball of mass 50g tied to the end of a 50cm inextensible string is whirled around in a vertical circle find the
what is the orbital radius and speed of a synchronous satellite which orbits the earth once every 24 hours take g 667
at what altitude above the earths surface would the acceleration due to gravity be 49ms2 assume the radius of the earth
in a system of the atwood machine with masses of 6kg and 10kga what is the tension in the chord connecting the massesb
a racing car of mass 1000kg moves around a banked track at a constant speed of 30ms assuming the total reaction at the
a cart moving horizontally along a straight line with constant speed of 30 ms a projectile is fired from the moving
question 1 - a researcher is evaluating the effectiveness of a new method of teaching statistics to university students
a large 3kg object hangs from a rope wound on a 40 kg wheel the wheel has an actual radius of 075m and a radius of
a fisherman has caught a very large 50 kg fish from a dock that is 20 m above the water he is using lightweight fishing
1 betty malloy owner of the eagle tavern in pittsburgh is preparing for super bowl sunday and she must determine how
an object is projected at 369 degrees above the horizontal the potential energy of the object at the top of the
two spaceships are travelling in opposite directions in s frame of reference along a straight parallel trajectories
1 perform the indicated operations-a 3-2r2 3r -1-43r2 4r - 2b 3k - 42k
a bike coasts up a long hill the hill has an incline of 38 degrees the mass of the bike and rider is 129kg if the bike
a swimming pool is 5m long 4m wide and 3m deep compute the force exerted by the water against the bottom and either end
speedy sue is going to an archery range at the range she pulls the bowstring back by exerting 0350m by exerting a fore
a force f - k x circ i y circ j where k is a positive constant acts on a particle moving in the x-y planestarting
water is pumped from a depth of 10 m and delivered through a pipe of cross section 10-2 m2 upto a height of 10 m if it
a particle of mass m is hanging with the help of an elastic string of unstretched length a and force constant mga the
a body of mass 2 kg is moving under the influence of a central force whose potential energy is given by u r 2r3 joule
a man whose mass is m kg jumps vertically into air from a sitting position in which his centre of mass is at a height
two bodies of same mass tied with an inelastic string of length l lie together one of them is projected vertically
a ladder of mass m and length 4 m rests against a frictionless wall at an angle of 50 degrees to the horizontal the
despite commonly held beliefs about the popularity of presidents presidents are elected by the electoral college this