A 2000-kg automobile is driven down an incline. Then the brakes are applied, causing a constant total braking force (applied by the road on tires) of 7 kN. The work done by the weight is _kN·m, when the automobile has a displacement of s=6m. (Express the answer to three significant figures and g-9.81m/s²) 5°
A 2000-kg automobile is driven down an incline. Then the brakes are applied, causing a constant total braking force (applied by the road on tires) of 7 kN. The work done by the weight is _kN·m, when the automobile has a displacement of s=6m. (Express the answer to three significant figures and g-9.81m/s²) 5°
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Transcribed Image Text:A 2000-kg automobile is driven down an incline. Then the brakes are applied, causing a
constant total braking force (applied by the road on tires) of 7 kN. The work done by the weight
is _kN m, when the automobile has a displacement of s=6m. (Express the answer to
three significant figures and g-9.81m/s²)
5°
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