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? 2.87 sec 3.44 sec 5.41 sec 4.65 sec 2.87 sec 3.44 sec 5.41 sec 4.65 sec ANSWER DOWNLOAD EXAMIANS APP
Physics Intensity of sound at a point is ____ its distance from the source. directly proportional to square of directly proportional to inversely proportional to inversely proportional to square of directly proportional to square of directly proportional to inversely proportional to inversely proportional to square of ANSWER DOWNLOAD EXAMIANS APP
Physics What is the other name of Galileo's law of falling bodies? Newton's first law Newton's second law Newton's third law Law of motion Newton's first law Newton's second law Newton's third law Law of motion ANSWER DOWNLOAD EXAMIANS APP
Physics A single fixed pulley is used to draw water from a well because Velocity ratio is low Efficiency is 100% Force is applied in a convenient direction Mechanical advantage is high Velocity ratio is low Efficiency is 100% Force is applied in a convenient direction Mechanical advantage is high ANSWER DOWNLOAD EXAMIANS APP
Physics The dimension of Planck constant equals to that of Power Momentum Angular momentum Energy Power Momentum Angular momentum Energy ANSWER DOWNLOAD EXAMIANS APP
Physics At hill stations, the boiling point of water will be More than that at sea level Same as at sea level Equal to the melting point of ice Less than that at sea level More than that at sea level Same as at sea level Equal to the melting point of ice Less than that at sea level ANSWER DOWNLOAD EXAMIANS APP
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