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 4.65 sec 2.87 sec 3.44 sec 5.41 sec 4.65 sec 2.87 sec ANSWER DOWNLOAD EXAMIANS APP
Physics What is the fundamental unit of amount of a substance? Meter Mole Kelvin Candela Meter Mole Kelvin Candela ANSWER DOWNLOAD EXAMIANS APP
Physics In which of the following processes is energy released ? Respiration Ingestion Photosynthesis Absorption Respiration Ingestion Photosynthesis Absorption ANSWER DOWNLOAD EXAMIANS APP
Physics Rotameter is used to measure Flow of fluids Density of fluids Vortex flow Velocity of fluid in pipes Flow of fluids Density of fluids Vortex flow Velocity of fluid in pipes ANSWER DOWNLOAD EXAMIANS APP
Physics Which determines the frequency of a sound wave? Medium Amplitude Source Speed Medium Amplitude Source Speed ANSWER DOWNLOAD EXAMIANS APP
Physics A bucket of water is hung from a spring balance. A piece of iron is suspended in the water without touching the sides or touching the bottom of the bucket. The reading of the spring balance Varies with the increase of depth of the immersion of the iron piece Will increase Will decrease Does not change Varies with the increase of depth of the immersion of the iron piece Will increase Will decrease Does not change ANSWER DOWNLOAD EXAMIANS APP