Applied Mechanics and Graphic Statics A disc of mass 4 kg, radius 0.5 m and moment of inertia 3 kg.m² rolls on a horizontal surface so that its center moves with speed 5 m/see. Kinetic energy of the disc is 150 J 50 J 400 J 200 J 150 J 50 J 400 J 200 J ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics A particle moves in a straight line and its position is defined by the equation x = 6 t² - t3 where t is expressed in seconds and ‘x’ in meters. The maximum velocity during the motion is 12 m/sec 6 m/sec 24 m/sec 48 m/sec 12 m/sec 6 m/sec 24 m/sec 48 m/sec 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 8000 km per hour 9000 km per hour 7000 km per hour 11,000 km per hour 8000 km per hour 9000 km per hour 7000 km per hour 11,000 km per hour ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics The masses of two balls are in the ratio of 2 : 1 and their respective velocities are in the ratio of 1 : 2 but in opposite direction before impact. If the coefficient of restitution is ½, the velocities of separation of the balls will be equal to Original velocity in the same direction Original velocity in the opposite direction Half the original velocity in the same direction Half the original velocity in the opposite direction Original velocity in the same direction Original velocity in the opposite direction Half the original velocity in the same direction Half the original velocity in the opposite direction ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics The displacement of a particle which moves along a straight line is given by S = 4t³ + 3t²- 10 where ‘S’ is in meters and t is in seconds. The time taken by the particle to acquire a velocity of 18 m/sec from rest, is 1.2 sec 1.5 sec ½ sec 1 sec 1.2 sec 1.5 sec ½ sec 1 sec ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics The instantaneous centre of a member lies at the point of intersection of two lines drawn at the ends of the member such that the lines are inclined to the direction of motion of the ends at 90° 30° 45° 60° 90° 30° 45° 60° ANSWER DOWNLOAD EXAMIANS APP
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