Physics Light from the star, Alpha Centauri, which is nearest to the earth after the sun, reaches the earth in 42 years 4.2 years 4.2 seconds 42 seconds 42 years 4.2 years 4.2 seconds 42 seconds ANSWER DOWNLOAD EXAMIANS APP
Physics Supersonic plane fly with the speed greater than the speed of sound less than the speed of sound of sound of light greater than the speed of sound less than the speed of sound of sound of light ANSWER DOWNLOAD EXAMIANS APP
Automobile Engineering in ME The capacity of a battery is usually expressed in terms of Amperes Volts Ampere hours Weight Amperes Volts Ampere hours Weight ANSWER DOWNLOAD EXAMIANS APP
Physics Mach number is used in connection with the speed of aircraft sound spacecraft ships aircraft sound spacecraft ships ANSWER DOWNLOAD EXAMIANS APP
Physics On a stationary sail boat, air is blown from a fan attached to the boat. The boat moves in the same direction in which air blows does not move spins around moves in opposite direction in which the air is blown moves in the same direction in which air blows does not move spins around moves in opposite direction in which the air is blown ANSWER DOWNLOAD EXAMIANS APP