Engineering Mechanics During elastic impact, the relative velocity of the two bodies after impact is __________ the relative velocity of the two bodies before impact. Less than Equal and opposite to Equal to Greater than Less than Equal and opposite to Equal to Greater than ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics If u₁ and u₂ are the velocities of two moving bodies in the same direction before impact and v₁ and v₂ are their velocities after impact, then coefficient of restitution is given by (u₂ + u₁)/(v₂ + v₁) (v₂ - v₁)/(u₁ - u₂) (v₁ - v₂)/(u₁ - u₂) (u₁ - u₂)/(v₁ - v₂) (u₂ + u₁)/(v₂ + v₁) (v₂ - v₁)/(u₁ - u₂) (v₁ - v₂)/(u₁ - u₂) (u₁ - u₂)/(v₁ - v₂) ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics The moment of inertia of a sphere of mass 'm' and radius 'r', about an axis tangential to it, is 2mr²/5 7mr²/5 2mr²/3 7mr²/3 2mr²/5 7mr²/5 2mr²/3 7mr²/3 ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics The total energy possessed by a system of moving bodies Is minimum in the start and maximum at the end Is maximum in the start and minimum at the end Is constant at every instant Varies from point to point Is minimum in the start and maximum at the end Is maximum in the start and minimum at the end Is constant at every instant Varies from point to point ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics The forces, which meet at one point, but their lines of action do not lie in a plane, are called Non-coplanar non-concurrent forces Non-coplanar concurrent forces Coplanar non-concurrent forces Intersecting forces Non-coplanar non-concurrent forces Non-coplanar concurrent forces Coplanar non-concurrent forces Intersecting forces ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics Center of gravity of a thin hollow cone lies on the axis at a height of One-half of the total height above base One-third of the total height above base Three-eighth of the total height above the base One-fourth of the total height above base One-half of the total height above base One-third of the total height above base Three-eighth of the total height above the base One-fourth of the total height above base ANSWER DOWNLOAD EXAMIANS APP
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