Engineering Mechanics The horizontal range of a projectile (R) is given by R = u² sin2α/g R = u² sinα/g R = u² cos2α/g R = u² cosα/g R = u² sin2α/g R = u² sinα/g R = u² cos2α/g R = u² cosα/g ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics The acceleration of a body sliding down an inclined surface is None of these g sinθ g tanθ g cosθ None of these g sinθ g tanθ g cosθ ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics The Cartesian equation of trajectory is (where u = Velocity of projection, α = Angle of projection, and x, y = Co-ordinates of any point on the trajectory after t seconds.) y = (gx²/2u² cos²α) + x. tanα y = x. tanα + (gx²/2u² cos²α) y = (gx²/2u² cos²α) - x. tanα y = x. tanα - (gx²/2u² cos²α) y = (gx²/2u² cos²α) + x. tanα y = x. tanα + (gx²/2u² cos²α) y = (gx²/2u² cos²α) - x. tanα y = x. tanα - (gx²/2u² cos²α) ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics In order to double the period of simple pendulum, the length of the string should be Quadrupled None of these Doubled Halved Quadrupled None of these Doubled Halved ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics Two balls of equal mass and of perfectly elastic material are lying on the floor. One of the balls with velocity ‘v’ is made to strike the second ball. Both the balls after impact will move with a velocity v/4 v/2 v v/8 v/4 v/2 v v/8 ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics The moment of inertia of a square of side a about its diagonal is a³/12 a⁴/16 a⁴/12 a²/8 a³/12 a⁴/16 a⁴/12 a²/8 ANSWER DOWNLOAD EXAMIANS APP
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