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Question: A wire rope is fixed at two points A & B weighing 20KN &30 KN resp. are attached to B & C resp. The wights rest with portions AB &BC inclined at 30 degree and 50 degree resp. to the vertical. Find tension in segmenst AB, BC, CD of the wire and determine the inclination of the segment CD TO vertical
A point charge is accelerated from rest through a potential difference of 150 V and gains a speed v initial. What speed (in terms of v initial ) would it gain if it were accelerated through 280 V instead
A solid toy weighs 98N in air. The density of this toy is10kg/m^3, H2O: 1000kg/m^3. What is the apparent weight of the toy in the water
what mechanism bends the fabric of space time and accelerate an object close to the speed of light
Explain in terms of the charge, electric field, and potential difference the dependence of capacitance of a parallel-plate capacitor on area and separation of the plates in the equation C=(epsilon)A/d.
A car carrying a 77-kg test dummy crashed into a wall at 27m/s and is brought to rest in 0.1 s. demonstrate that the average force exerted by the seat belt on the dummy is 18,760N.
A long wire is known to have a radius greater than 5.6 mm and to carry a current that is uniformly distributed over its cross section, What is the radius (in mm) of the wire
Khristian is a 6-year-old boy who is brought in for evaluation by his parents. The parents are concerned that he has a really deep cough that he just can't seem to get over. The history reveals that he was in his usual state of good health until appr..
After 7.88 seconds, the car, which is initially at rest, reaches a speed of 2.35 m/s. What is the average current supplied to the car's motor?
A golf ball is driven from a level fairway. At a time of 4.54 slater, the ball is traveling downward with a velocity of 42.4 m/sat an angle of 20.4° below the horizontal. Neglecting airresistance, calculate the initial velocity (magnitude anddirec..
A box is sliding with a speed of 4.50 m/s on a horizontal surface when, at point P, it encounters a rough section. What is the coefficient of friction at the stopping point
A "moving sidewalk" in an airport terminal building moves at a speed of V0 and is of length L. A woman steps on at one end and walks at speed V relative to the moving sidewalk. How much time does she need to walk from one end to the other if she walk..
An electron enters a region of space containing a uniform 0.0000227-T magnetic field. Its speed is 115 m/s, Find the radius r of the electron\'s path, and the frequency f of the motion
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