Applied Mechanics and Graphic Statics Time of flight of a projectile on a horizontal plane, is 2u cotα/g 2u cosα/g 2u sinα/g 2u tanα/g 2u cotα/g 2u cosα/g 2u sinα/g 2u tanα/g ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics The angles between two forces to make their resultant a minimum and a maximum respectively are 180° and 90° 90° and 180° 180° and 0° 0° and 90° 180° and 90° 90° and 180° 180° and 0° 0° and 90° ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics The velocity of a moving body, is None of these A vector quantity A constant quantity A scalar quantity None of these A vector quantity A constant quantity A scalar quantity ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics If the angle of projection is double the angle of inclination (α) of the plane on which particle is projected, the ratio of times of flight up the inclined plane and down the inclined plane, will be 2 cos α ½ sin α ½ cos α ½ tan α 2 cos α ½ sin α ½ cos α ½ tan α ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics Time required to stop a car moving with a velocity 20 m/sec within a distance of 40 m, is 3 sec 2 sec 4 sec 5 sec 3 sec 2 sec 4 sec 5 sec ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics The ends of a string weighing w/metre are attached to two points at the same horizontal level. If the central dip is very small, the horizontal tension of the string throughout is wl²/4d wl/4d wl²/8d wl²/16d wl²/4d wl/4d wl²/8d wl²/16d ANSWER DOWNLOAD EXAMIANS APP