Physics Mach number is used in connection with the speed of ships sound aircraft spacecraft ships sound aircraft spacecraft ANSWER DOWNLOAD EXAMIANS APP
Physics Light from the star, Alpha Centauri, which is nearest to the earth after the sun, reaches the earth in 42 seconds 4.2 seconds 4.2 years 42 years 42 seconds 4.2 seconds 4.2 years 42 years ANSWER DOWNLOAD EXAMIANS APP
Physics On a cold day when the room temperature is 15°C, the metallic cap of a pen becomes much colder than its plastic body, though both are at the same temperature of 15°C, because : Plastics have a lower density than metals Metals have higher thermal capacity than plastics Plastics have a higher thermal conductivity than metals Metals are good conductors of heat Plastics have a lower density than metals Metals have higher thermal capacity than plastics Plastics have a higher thermal conductivity than metals Metals are good conductors of heat ANSWER DOWNLOAD EXAMIANS APP
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? 4.65 sec 5.41 sec 2.87 sec 3.44 sec 4.65 sec 5.41 sec 2.87 sec 3.44 sec ANSWER DOWNLOAD EXAMIANS APP
Physics Vehicle tyres are inflated properly To go fast and save fuel. To ensure smooth running. To allow the vehicle to take more load. To avoid skidding and to minimise friction To go fast and save fuel. To ensure smooth running. To allow the vehicle to take more load. To avoid skidding and to minimise friction ANSWER DOWNLOAD EXAMIANS APP
Physics The moment of inertia of a body does not depend upon The mass distribution in the body The axis of rotation of the body The angular speed of the body The mass of the body The mass distribution in the body The axis of rotation of the body The angular speed of the body The mass of the body ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS