The tesla roadster electric car is rated at 16.8kw how much energy does it use during a one hour drive

the tesla roadster electric car is rated at 16.8kw how much energy does it use during a one hour drive answer in mj

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  1. (16.8 kW) means (16,800 joules/second)

    Energy in 1 hour = (1 hour) x (16,800 J/s) x (3,600 s/hour)

    Energy = (16,800 x 3,600) J

    Energy =  60,480,000 Joules

    Energy = 60.48 MJ

  2. [tex]6.05\cdot 10^7 J[/tex]

    Explanation:

    Energy is related to power by:

    [tex]E=Pt[/tex]

    where P is the power and t is the time. In this problem, we have:

    [tex]P=16.8 kW=16800 W[/tex]

    [tex]t=1 h=3600 s[/tex]

    So, the energy used in one hour is

    [tex]E=(16800 W)(3600 s)=6.05\cdot 10^7 J[/tex]

  3. [tex]E = 60.5 MJ[/tex]

    Explanation:

    As we know that power is defined as rate of energy

    So we will have

    [tex]P = \frac{E}{t}[/tex]

    so we will have

    [tex]E = P \times t[/tex]

    [tex]P = 16.8 kW[/tex]

    [tex]t = 1 hour[/tex]

    [tex]t = 3600 s[/tex]

    now we have

    [tex]E = (16.8 \times 10^3)(3600)[/tex]

    [tex]E = 60.5 MJ[/tex]

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