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# Automotive Power Driving Uphill How much power must an automobile engine expend E t0 move 1200-kg car up 1590 grade at 90 kmh (Figure 7.15)? Assume that - 25%0 of t...

## Question

###### Automotive Power Driving Uphill How much power must an automobile engine expend E t0 move 1200-kg car up 1590 grade at 90 kmh (Figure 7.15)? Assume that - 25%0 of this power is dissipated overcoming air resistance and friction: 90 km/h1200 kg15% gradeFlgure 7.15 We want t0 calculate tlie power needed to move cai Up hill at colstant speed:"Instead of 15% grade use 15 degree incline"

Automotive Power Driving Uphill How much power must an automobile engine expend E t0 move 1200-kg car up 1590 grade at 90 kmh (Figure 7.15)? Assume that - 25%0 of this power is dissipated overcoming air resistance and friction: 90 km/h 1200 kg 15% grade Flgure 7.15 We want t0 calculate tlie power needed to move cai Up hill at colstant speed: "Instead of 15% grade use 15 degree incline"

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