Applied Mechanics and Graphic Statics Pick up the correct statement from the following. The kinetic energy of a body Remain constant Before impact is more than that after impact Before impact is less than that after impact Before impact is equal to that after impact Remain constant Before impact is more than that after impact Before impact is less than that after impact Before impact is equal to that after impact ANSWER DOWNLOAD EXAMIANS APP
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 —rad/sec 10 None of these —rad/sec 30 —rad/sec 20 —rad/sec 10 None of these ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics The Centre of gravity of a 10 × 15 × 5 cm T section from its bottom, is 5.0 cm 7.5 cm 8.75 cm 7.85 cm 5.0 cm 7.5 cm 8.75 cm 7.85 cm ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics A ball moving on a smooth horizontal table hits a rough vertical wall, the coefficient of restitution between ball and wall being 1/3. The ball rebounds at the same angle. The fraction of its kinetic energy lost is 43833 43864 44052 43839 43833 43864 44052 43839 ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics The velocity of a moving body, is A vector quantity A scalar quantity None of these A constant quantity A vector quantity A scalar quantity None of these A constant quantity ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics A particle is dropped from the top of a tower 60 m high and another is projected upwards from the foot of the tower to meet the first particle at a height of 15.9 m. The velocity of projection of the second particle is 18 m/sec 20 m/sec 16 m/sec 22 m/sec 18 m/sec 20 m/sec 16 m/sec 22 m/sec ANSWER DOWNLOAD EXAMIANS APP