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To lift the object, the force applied must equal the weight of the object (

F=8 kg⋅10 N/kg=80 Ncap F equals 8 kg center dot 10 N/kg equals 80 N Using

P=1200 J15 s=80 Wcap P equals the fraction with numerator 1200 J and denominator 15 s end-fraction equals 80 W 3. Power of a Moving Vehicle A motorboat develops a pulling force of while moving at a speed of . Find the engine's power. Convert Speed to SI Units:

v=90 km/h=90000 m3600 s=25 m/sv equals 90 km/h equals the fraction with numerator 90000 m and denominator 3600 s end-fraction equals 25 m/s Since , we can use Calculate Power:

Samostoiatelnaia Rabota 10 - Srednii Uroven Fizika 7 Klass

To lift the object, the force applied must equal the weight of the object (

F=8 kg⋅10 N/kg=80 Ncap F equals 8 kg center dot 10 N/kg equals 80 N Using samostoiatelnaia rabota 10 srednii uroven fizika 7 klass

P=1200 J15 s=80 Wcap P equals the fraction with numerator 1200 J and denominator 15 s end-fraction equals 80 W 3. Power of a Moving Vehicle A motorboat develops a pulling force of while moving at a speed of . Find the engine's power. Convert Speed to SI Units: To lift the object, the force applied must

v=90 km/h=90000 m3600 s=25 m/sv equals 90 km/h equals the fraction with numerator 90000 m and denominator 3600 s end-fraction equals 25 m/s Since , we can use Calculate Power: To lift the object