Physics
If two bodies of different masses, initially at rest, are acted upon by the same force for the same time, then the both bodies acquire the same:

Acceleration
Kinetic energy
Momentum
Velocity

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Physics
Which one of the following is not a property of electromagnetic waves?

Electromagnetic waves do not show interference and diffraction.
Electromagnetic waves do not require a medium to propagate.
Oscillating electric field and magnetic field are perpendicular to each other.
Electromagnetic waves are transverse waves

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Physics
It takes much longer to cook food in the hills than in the plains, because

in the hills the humidity is high and therefore a lot of heat is absorbed by the atmosphere leaving very little heat for cooking
n the hills the atmospheric pressure is lower than that in the plains and therefore water boils at a temperature lower than 100oC causing an increase in cooking time
due to low atmospheric pressure on the hills, the water boils at a temperature higher than 100oC and therefore water takes longer to boil
in the hills the atmospheric density is low and therefore a lot of heat is lost to the atmosphere

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