Physics A tennis ball machine serves a ball vertically into the air from a height of 2 feet, with an initial speed of 110 feet per second. After how many seconds does the ball attain its maximum height? 3.44 sec 5.41 sec 2.87 sec 4.65 sec 3.44 sec 5.41 sec 2.87 sec 4.65 sec ANSWER DOWNLOAD EXAMIANS APP
Physics Copper wires are generally used for electrical power transmission instead of iron wire because : Copper is cheaper than iron Copper is lighter than iron Copper can take higher power than iron Copper is a better conductor of electricity than iron Copper is cheaper than iron Copper is lighter than iron Copper can take higher power than iron Copper is a better conductor of electricity than iron ANSWER DOWNLOAD EXAMIANS APP
Physics Speed regulation of synchronous motor is Zero 0.005 0.25 0.01 Zero 0.005 0.25 0.01 ANSWER DOWNLOAD EXAMIANS APP
Physics Heat stored in water vapour is Absolute heat Relative heat Specific heat Latent heat Absolute heat Relative heat Specific heat Latent heat ANSWER DOWNLOAD EXAMIANS APP
Physics Where do the electrical charges reside in a charged conductor? At the core Outer surface of the body Depended upon the nature of the body Throughout the body At the core Outer surface of the body Depended upon the nature of the body Throughout the body ANSWER DOWNLOAD EXAMIANS APP
Physics Global warming is expected to result in Change in coast line Increase in level of sea Change in crop pattern All of these Change in coast line Increase in level of sea Change in crop pattern All of these ANSWER DOWNLOAD EXAMIANS APP
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