If the force applied(Fa) is pushing down to chair friction goes up. if Fa pushing up, friction goes down. if Fa pushing sideways and the chair stays stationary, friction stay the same. if Fa push sideway and chair moves, friction goes down
Answer:
The average velocity of the entire trip is 42.5 mph east ⇒ answer C
Explanation:
The average velocity of an object is its total displacement divided by
the total time taken.
It is the rate at which an object changes its position from one
place to another.
It is a Vector quantity
A car travels 25.0 miles due east for one hour
Then it travels another 60.0 miles east for an additional hour
We need to find his average velocity of the entire trip
He is travels due east in the whole trip
The total displacement that he travels = 25 + 60 = 85 miles east
He travels the first part in 1 hour and the second part in another hour
The total time for the whole trip = 1 + 1 = 2 hours
The average velocity = total displacement ÷ total time
His average velocity = 85 ÷ 2 = 42.5 miles/hour east
<em>The average velocity of the entire trip is 42.5 mph east</em>
Answer:
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Answer:ummm ok
Explanation:I really don’t get it but ok
The answer is C .Y on the chart. im 100% its right . hope this helps .