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? 5.41 sec 4.65 sec 2.87 sec 3.44 sec 5.41 sec 4.65 sec 2.87 sec 3.44 sec ANSWER DOWNLOAD EXAMIANS APP
Physics It is easier to roll a stone up a sloping road than to lift it vertical upwards because Work done in rolling is more than in lifting. Work done in both is same but the rate of doing work is less in rolling. Work done in lifting the stone is equal to rolling it. Work done in rolling a stone is less than in lifting it. Work done in rolling is more than in lifting. Work done in both is same but the rate of doing work is less in rolling. Work done in lifting the stone is equal to rolling it. Work done in rolling a stone is less than in lifting it. ANSWER DOWNLOAD EXAMIANS APP
Physics The sudden fall of atmospheric pressure indicates Rain Storm Cold weather Fair weather Rain Storm Cold weather Fair weather ANSWER DOWNLOAD EXAMIANS APP
Physics Bolometer is used to measure Temperature Wavelength Frequency Velocity Temperature Wavelength Frequency Velocity ANSWER DOWNLOAD EXAMIANS APP
Physics Which one among the following components is used as an amplifying device? Transformer Diode Capacitor Transistor Transformer Diode Capacitor Transistor ANSWER DOWNLOAD EXAMIANS APP
Physics The wave of theory of light is based on The laws of reflection The laws of refraction Huyghens' principle The inverse square law The laws of reflection The laws of refraction Huyghens' principle The inverse square law ANSWER DOWNLOAD EXAMIANS APP
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