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a rectangular slab 43m x 12m x 25m of slate rests on a 26 degree incline the density of the slab is 32 x 103 kgm3 the
a force of magnitude 100n is directed n and a second force of 200n 30 degrees east of north find the magnitude and
three forces 300n 500n and 600n respectively act of an angle of 120deg from each other find the resultant of this force
1 a body weighing 10 kg is on a horizontal plane the coefficient of static friction is 020a what horizontal force will
bull hydraulic pistonthe basic design of any hydraulic system is two connected fluid-filled cylinders of different
1 what force is required to drag a sack of rice weighing 105 lb if the coefficient of friction is 025a when the force
two soccer players start from rest 490 m apart they run directly toward each other both players accelerating the first
a stunt in which a clown fired out of a cannon and landed in a speeding toy fire engine which was racing away from him
car a is traveling at 180 ms and car b at 250 ms car a is 300 m behind car b when the driver of car a accelerates his
1 two masses are attached with a pulley over an incline which is over a platform the top of the incline to the ground
the car with its passengers is traveling along a horizontal road when it suddenly runs onto a new piece of road surface
a fireman wants to slide down a rope the breaking load for the rope is 34th of the weight of the man with what minimum
the semicircular disk having a mass of 10 kg is rotating at omega 4 rads at the instant theta 60o if the coefficient
1 the clepsydra or water clock a 12 hour water clock is to be designed with the dimensions shaped like the surface
1 in her mustang kelly rounds a curve onto a straight section of country road while traveling at 45 mph only to find a
acceleration amp force 1 calculate the average acceleration of a car that changes speed from 0 ms to 15 ms in 5 s2
a 444 kg block located on a horizontal frictionless floor is pulled by a cord that exerts a force f107n at an angle
a baseball pitcher throws a baseball with an initial velocity of 133 feet per second at an angle of 20deg to the
1 given the perihelion distance aphelion distance and speed at perihelion of a planet which of the following cannot be
a 440-kg block is placed on top of a 550-kg slab if the slab is held fixed the block can be made to slip only if a
a painter of mass 700 kg stands on a platform of mass 750 kg and pulls on two ropes which hang over pulleys he pulls
1 an icecream truck is moving at 20ms it then speeds up for 5 seconds at 8ms what is its velocity at this time2 a
determine the acceleration of bodies a and b and the tension in the non stretching cable due to the application of the
in the pulley system shown the two upper pulleys are welded together to form one unit the cable is wrapped around the
a rocket-driven car of total mass m loses mass at a constant rate lambda per unit of time at a constant ejection speed