Physics What is the minimum velocity required for a rocket to overcome earth's gravity and travel into space? 11.2 km/sec 35 km/sec 21 km/sec 18 km/sec 11.2 km/sec 35 km/sec 21 km/sec 18 km/sec ANSWER DOWNLOAD EXAMIANS APP
Physics The rate of flow of electric charge is measured in Ampere-coulomb Coulomb Ampere Ampere/coulomb Ampere-coulomb Coulomb Ampere Ampere/coulomb ANSWER DOWNLOAD EXAMIANS APP
Physics The sensation of weightlessness in a spacecraft in an orbit is due to the Presence of gravity outside but not inside the spacecraft Acceleration in the orbit which is equal to the acceleration due to gravity outside Fact that spacecraft in the orbit has no energy Absence of gravity outside Presence of gravity outside but not inside the spacecraft Acceleration in the orbit which is equal to the acceleration due to gravity outside Fact that spacecraft in the orbit has no energy Absence of gravity outside ANSWER DOWNLOAD EXAMIANS APP
Physics In which of the following cases, kinetic energy is being used in performing work ? Driving a car to cover a distance Rowing a boat in the lake Paddling the bicycle to cover a distance Wind mill grinding wheat grain Driving a car to cover a distance Rowing a boat in the lake Paddling the bicycle to cover a distance Wind mill grinding wheat grain ANSWER DOWNLOAD EXAMIANS APP
Physics Clouds float in the atmosphere because of their Low density Low pressure Low viscosity Low temperature Low density Low pressure Low viscosity Low temperature ANSWER DOWNLOAD EXAMIANS APP
Physics Visible light has a higher frequency than Ultra violet Radio waves All listed here X rays Ultra violet Radio waves All listed here X rays ANSWER DOWNLOAD EXAMIANS APP