Physics
When the speed of car is doubled, then what will be the braking force of the car to stop it in the same distance ?

Four times
Half
Two times
One-fourth

ANSWER DOWNLOAD EXAMIANS APP

Physics
Inside an aeroplane, flying at a high altitude,

normal atmospheric pressure is maintained by the use of air pumps.
the pressure inside is less than the pressure outside.
normal humidity and partial vacuum are maintained.
the pressure is the same as that outside.

ANSWER DOWNLOAD EXAMIANS APP