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A cart rolling down an incline for 5.0 seconds has an acceleration of 4.0 m/s2. If the cart has a beginning speed of 2.0 m/s, what is its final speed?

Answer 1

Olivia Askew

#22 ms^-1#

Applying #v=u+at# (all the symbols are bearing their conventional meaning)

Here,#u=2ms^-1,t=5,a=4ms^-2#

So,#v=2+4*5=22ms^-1#

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Answer 2

Elena Albarran

The final speed of the cart is 22.0 m/s.

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Answer from HIX Tutor

When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.

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