Some call it "air resistance", and others just call it "drag".
People who went out and sailed on the sea and then they went on missions
Answer:
The value is
Explanation:
From the question we are told that
The mass of the car is
The period of the circular motion is
The radius is
Generally the frequency of the circular motion is
=>
=>
football hemets have pads that are filled with air and thick foam so when they are hit the foam asorbs the hit and the air keeps the hard outer shell of the helmet from hiting the players head