Physics The centre of gravity of a sprinter during the race lies At the centre of the body Ahead of his feet To the left side of the body Behind his feet At the centre of the body Ahead of his feet To the left side of the body Behind his feet ANSWER DOWNLOAD EXAMIANS APP
Physics What is the minimum velocity required for a rocket to overcome earth's gravity and travel into space? 11.2 km/sec 18 km/sec 21 km/sec 35 km/sec 11.2 km/sec 18 km/sec 21 km/sec 35 km/sec ANSWER DOWNLOAD EXAMIANS APP
Physics In the case of bodies falling under gravity which of the following remains constant at a given place? Acceleration All listed here Kinetic energy Potential energy Acceleration All listed here Kinetic energy Potential energy ANSWER DOWNLOAD EXAMIANS APP
Physics The focal length of a concave mirror with a radius of curvature of 20.0 cm is : 15 cm 20 cm 10 cm 5 cm 15 cm 20 cm 10 cm 5 cm ANSWER DOWNLOAD EXAMIANS APP
Physics The recoiling of gun is an example of which of the following? Law of Conservation of Linear Momentum Law of Conservation of Energy Conversion of Kinetic Energy to Potential Energy Law of Conservation of Angular Momentum Law of Conservation of Linear Momentum Law of Conservation of Energy Conversion of Kinetic Energy to Potential Energy Law of Conservation of Angular Momentum ANSWER DOWNLOAD EXAMIANS APP
Physics Water is used in car radiator because of its Easy availability High specific heat capacity Low boiling point Low density Easy availability High specific heat capacity Low boiling point Low density ANSWER DOWNLOAD EXAMIANS APP