Applied Mechanics and Graphic Statics A ball is dropped from a height of 16 m on a horizontal floor. If it rebounds to a height of 9 m after striking the floor, the coefficient of restitution between ball and floor is 43834 43894 43924 43864 43834 43894 43924 43864 ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics The centre of gravity of a trapezoidal dam section whose top width is a, bottom width is band the vertical side is a, from its vertical face is (b² + bc + c²)/3 (b + c) (a² + ab + b²)/3 (a + b) None of these (a² + ab + c²)/3 (a + c) (b² + bc + c²)/3 (b + c) (a² + ab + b²)/3 (a + b) None of these (a² + ab + c²)/3 (a + c) ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics The centre of gravity of a triangle is at the point where three Bisectors of the angle of the triangle meet None of these Perpendicular bisectors of the sides of the triangle meet Medians of the triangle meet Bisectors of the angle of the triangle meet None of these Perpendicular bisectors of the sides of the triangle meet Medians of the triangle meet ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics The moment of inertia of a hollow circular section whose external diameter is 8 cm and internal diameter is 6 cm, about centroidal axis, is 237.5 cm⁴ 137.5 cm⁴ 337.5 cm⁴ 437.5 cm⁴ 237.5 cm⁴ 137.5 cm⁴ 337.5 cm⁴ 437.5 cm⁴ ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics The maximum displacement of a particle executing S.H.M. corresponds to Zero kinetic energy and maximum potential energy Minimum kinetic energy and minimum potential energy Maximum kinetic energy and maximum potential energy Zero potential energy and maximum kinetic energy Zero kinetic energy and maximum potential energy Minimum kinetic energy and minimum potential energy Maximum kinetic energy and maximum potential energy Zero potential energy and maximum kinetic energy 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 60° 58° 59° 57° 60° 58° 59° 57° ANSWER DOWNLOAD EXAMIANS APP