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anonymous
 one year ago
The velocity of an object increases from –10 m/s to –15 m/s in 2.0 s. What is the average acceleration of the object?
+2.5 m/s2
–2.5 m/s2
+12.5 m/s2
–12.5 m/s2
anonymous
 one year ago
The velocity of an object increases from –10 m/s to –15 m/s in 2.0 s. What is the average acceleration of the object? +2.5 m/s2 –2.5 m/s2 +12.5 m/s2 –12.5 m/s2

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Rushwr
 one year ago
Best ResponseYou've already chosen the best response.1\[Acceleration = \frac{ \Delta V }{ \Delta t }\]

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0WHAT DOES THAT MEAN?

Rushwr
 one year ago
Best ResponseYou've already chosen the best response.1delta V = final velocity  initial velocity Delta T = time difference.

Rushwr
 one year ago
Best ResponseYou've already chosen the best response.1Did u get it ? Substitute and get the answer !!!

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0I dont understand anything

Rushwr
 one year ago
Best ResponseYou've already chosen the best response.1Do u understand the question ?

Rushwr
 one year ago
Best ResponseYou've already chosen the best response.1Haven't u learned this lesson at school ?

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0I go to online school and its harder to understand

Rushwr
 one year ago
Best ResponseYou've already chosen the best response.1okai Acceleration is the rate of change of velocity. Velocity is the rate of change of speed. We do have equations for acceleration. But if we are asked to find the average acceleration then we use only the below equation \[Average acceleration = \frac{ Final velocity  initial velocity }{ time difference}\]

Rushwr
 one year ago
Best ResponseYou've already chosen the best response.1Here the final velocity is 15ms^1 Initial velocity is 10ms^1 and the time difference is 2s now substitute and see

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0how would I do that?

Rushwr
 one year ago
Best ResponseYou've already chosen the best response.1\[Acceleration = \frac{ 15  (10) }{ 2 } = \frac{ 5 }{ 2 } = 2.5ms ^{1}\]
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