Samostoiatelnaia: Rabota 10 Srednii Uroven Fizika 7 Klass

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

P=300 N⋅25 m/s=7500 W (or 7.5 kW)cap P equals 300 N center dot 25 m/s equals 7500 W (or 7.5 kW) Quick Check Table 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