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 ?

Two times
One-fourth
Four times
Half

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Physics
Air moves from the region where the air ________

Pressure is low to the region where the pressure is high
Humidity is high to the region where the humidity is low
Pressure is high to the region where the pressure is low
Humidity is low to the region where the humidity is high

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