Answer:The fastest recorded human footspeed was recorded between 60 and 80m in Bolt's world record 9.58-second 100m final in Berlin in 2009. Bolt was clocked at 44.72km/h, which is 27.8mph. The Jamaican covered the distance between 60-80m in a time of just 1.61 seconds
Explanation:
pls brainlist too
Answer:
1)
The total work done by outside force is 
2)
The total work done by the electric field is 
3)
The potential energy of the two sphere system is 
4)
The magnitude of the acceleration of sphere A is 
5)
The magnitude of the acceleration of sphere B is 
6)
The magnitude of velocity sphere A after a very long time is 
\
7) The magnitude of velocity sphere B after a very long time is 
Explanation:
The explanation is shown on the first and second uploaded image
Answer: question 1 , would be one question 2 , would be 1 joule and number three would be number one and number four would be , power and last one would be, number two
Explanation: sorry if its wrong
Her acceleration is zero, because her velocity is not changing.
The equal and opposite reaction to the gravitational force of the Earth pulling down on a man standing on the beach is the gravitational force of the man pulling up on the Earth. <em>(A)</em>
To put it in other words ... which should begin to blow your mind if you just take a moment to think about them ...
Your weight on Earth is exactly equal to the Earth's weight on YOU.
