Applied Mechanics and Graphic Statics If a flywheel increases its speed from 10 rpm to 20 rpm in 10 seconds, then its angular acceleration is —rad/sec 30 —rad/sec 20 None of these —rad/sec 10 —rad/sec 30 —rad/sec 20 None of these —rad/sec 10 ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics If y is force and x is velocity, then dimensions of —=r are dx2 M’L-‘T1 M2L’T3 M’L-‘T0 M’^T’ M’L-‘T1 M2L’T3 M’L-‘T0 M’^T’ 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 24 m/sec 12 m/sec 48 m/sec 6 m/sec 24 m/sec 12 m/sec 48 m/sec 6 m/sec ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics If the horizontal range is 2.5 times the greatest height, the angle of projection of the projectile, is 59° 58° 60° 57° 59° 58° 60° 57° 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 Half the original velocity in the opposite direction Original velocity in the opposite direction Half the original velocity in the same direction Original velocity in the same direction Half the original velocity in the opposite direction Original velocity in the opposite direction Half the original velocity in the same direction Original velocity in the same direction ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics A stone of mass 1 kg is tied to a string of length 1 m and whirled in a horizontal circle at a constant angular speed 5 rad/sec. The tension in the string is, 25 N 15 N 5 N 10 N 25 N 15 N 5 N 10 N ANSWER DOWNLOAD EXAMIANS APP
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