Answer:
velocity = frequency * wavelength
Given the wavelength one must also have the frequency.
Answer:
Infrasound
but the longer the wavelength of a soundwave, the more it diffracts
Explanation:
The answer to this question is C
Answer:
The correct answer is A.
Objects in free fall accelerate due to <u>gravity</u>.
Explanation:
Momentum can help an object to keep its state of motion at a constant velocity when no external force is applied. It can never accelerate the object.
According to the laws of motion, we know that acceleration is produced in a body only when a Force is applied in the direction of motion of body.
During a free fall, only the force of gravity is acting on an object and that too in the direction of its motion. Hence, the acceleration produced in a free falling object is due to gravity.
The cold air sinks as it is heavier
