A car’s engine generates 100,000 w of power as it exerts a force of 10,000 n. How long does it take the car to travel 100 m?.
1 answer:
Answer:
10
Explanation:
Engine generates 100,000\ W power
Force exerts F=10,000\ N
Distance traveled d=100\ m
work done is given by
W=F\cdot d\\W=10,000\times 100\\W=10^5\ J
Also, Energy is given as
\Rightarrow E=P\cdot t
Insert the values
\Rightarrow 10^6=100,000\times t\\\\\Rightarrow t=\dfrac{10^6}{10^5}\\\\\Rightarrow t=10\ s
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