Applied Mechanics and Graphic Statics The total kinetic energy of a hoop of mass 2 kg and radius 4 m sliding with linear velocity 8 m/sec and angular velocity 5 radian/sec is 400 J 464 J 64 J 89 J 400 J 464 J 64 J 89 J ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics The piston of a steam engine moves with a simple harmonic motion. The crank rotates 120 r.p.m. and the stroke length is 2 meters. The linear velocity of the piston when it is at a distance of 0.5 metre from the centre, is 5.88 m/sec 8.88 m/sec 12.88 m/sec 10.88 m/sec 5.88 m/sec 8.88 m/sec 12.88 m/sec 10.88 m/sec ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics If ‘α’ is the angular acceleration of a compound pendulum whose angular displacement is ‘θ’, the frequency of the motion is 2π √(α - θ) 2π √(α/θ) (1/2π) √(α/θ) 4π √(α/θ) 2π √(α - θ) 2π √(α/θ) (1/2π) √(α/θ) 4π √(α/θ) ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics A shell of mass 100 kg travelling with a velocity of 10 m/sec breaks into two equal pieces during an explosion which provides an extra kinetic energy of 20000 Joules. If the pieces continue to move in the same direction as before, then the speed of the faster one must be 50 m/sec 40 m/sec 20 m/sec 30 m/sec 50 m/sec 40 m/sec 20 m/sec 30 m/sec ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics Pick up the correct statement from the following. The kinetic energy of a body Before impact is more than that after impact Before impact is equal to that after impact Remain constant Before impact is less than that after impact Before impact is more than that after impact Before impact is equal to that after impact Remain constant Before impact is less than that after impact ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics For maximum range of a projectile, the angle of projection should be 45° 30° 60° None of these 45° 30° 60° None of these ANSWER DOWNLOAD EXAMIANS APP
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