Applied Mechanics and Graphic Statics The equation of motion of a particle starting from rest along a straight line is x = t³ - 3t²+ 5. The ratio of the accelerations after 5 sec and 3 sec will be 2 3 4 5 2 3 4 5 ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics A satellite is said to move in a synchronous orbit if it moves at an altitude of 36,000 km with a maximum velocity of about 11,000 km per hour 8000 km per hour 7000 km per hour 9000 km per hour 11,000 km per hour 8000 km per hour 7000 km per hour 9000 km per hour ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics A ball moving with a velocity of 5 m/sec impinges a fixed plane at an angle of 45° and its direction after impact is equally inclined to the line of impact. If the coefficient of restitution is 0.5, the velocity of the ball after impact will be 1.5 m/sec 0.5 m/sec 2.5 m/sec 3.5 m/sec 1.5 m/sec 0.5 m/sec 2.5 m/sec 3.5 m/sec ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics A ball of mass 250 g moving on a smooth horizontal table with a velocity of 10 m/sec hits an identical stationary ball ‘B’ on the table. If the impact is perfectly plastic, the velocity of the ball ‘B’ just after impact would be None of these 10 m/sec Zero 5 m/sec None of these 10 m/sec Zero 5 m/sec ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics If the velocity of projection is 4 m/sec and the angle of projection is α°, the maximum height of the projectile from a horizontal plane, is u² cos² α/2g u² sin² α/2g u² sin 2α/2g u² tan² α/2g u² cos² α/2g u² sin² α/2g u² sin 2α/2g u² tan² α/2g ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics The ends of a string weighing w/metre are attached to two points at the same horizontal level. If the central dip is very small, the horizontal tension of the string throughout is wl²/8d wl²/16d wl/4d wl²/4d wl²/8d wl²/16d wl/4d wl²/4d ANSWER DOWNLOAD EXAMIANS APP
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