Pre-physics-1

Which formular is being used to find the displacement?

• ∆x= x2 -x1

• ∆x= x2 + x1

• ∆x= x1 - x2

• ∆x= x1 + x2

What x2 means?

• The starting point

• The ending point

• The speed

• No correct answer

What x1 means?

• The starting point

• The ending point

• The speed

• no correct answer

What is the difference between vector and scalar quantities?

• Vector quantity has only direction

• Vector quantity has no direction

• Vector quantity has only magnitude

• Vector quantity has direction and magnitude

What formular is used for finding avergae velocity?

• v(avg) =∆x / ∆x

• v (avg) =∆t/∆t

• v (avg) = ∆x / ∆t

• v =∆t / ∆x

Which formular is used for finding acceleration?

• a (avg) = ∆t / ∆v

• a (avg) = ∆v / ∆t

• a (avg) = ∆x / ∆t

• a (avg) = ∆t / ∆x

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