A car travelling at 50m/s produces a force of 200N. What is the power of the engine in kilowatts(KW).
2 answers:
Answer:
10 kilowatts or 10,000 kw
Explanation:
Power = Force × Velocity
Given that:
Velocity of car is 50 m/s
The force is 200N
The power would be:
P = 200 × 50
P = 10,000 W
Notice that it only reaches watts because of the unit of the velocity is m/s. Standard unit to make Kw is km.
Since:
1 kw = 1000 w
10 kw = 10000 w
Credits to the person below me for correction.
Answer:
10 KW
Explanation:
The speed of the car is 50m/s.
The force of 200N is produced.
Power (W) = Velocity (m/s) × Force (N)
Power (W) = 50 × 200
Power (W) = 10000
1 Nm/s = 1 Watt
The power in Watts is 10000. The question asks for the power in kilowatts.
1 kilowatts = 1000 Watts
10000/1000 = 10 kilowatts
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