# How much work would it take to horizontally accelerate an object with a mass of #8 kg# to #7 m/s# on a surface with a kinetic friction coefficient of #9 #?

Using the equation

Now, we can use Newton's second law to find the acceleration of the object:

Starting from an assumed state of rest:

Finally, using the equation

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To horizontally accelerate an object with a mass of 8 kg to 7 m/s on a surface with a kinetic friction coefficient of 9, the work done would be 252 joules.

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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.

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.

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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