How much work would it take to push a # 4 kg # weight up a # 14 m # plane that is at an incline of # pi / 4 #?
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[ W = m \cdot g \cdot d \cdot \sin(\theta) ]
[ W = 4 , \text{kg} \cdot 9.8 , \text{m/s}^2 \cdot 14 , \text{m} \cdot \sin\left(\frac{\pi}{4}\right) ]
[ W \approx 400 , \text{J} \cdot \sin\left(\frac{\pi}{4}\right) ]
[ W \approx 400 , \text{J} \cdot \frac{\sqrt{2}}{2} ]
[ W \approx 400 , \text{J} \cdot 0.707 ]
[ W \approx 282.8 , \text{J} ]
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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.
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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