Question
A car drives for half an hour at constant speed and uses 30 MJ over a distance of $40 \mathrm{km}$. What was the traction force to the road and its speed?
Step 1
We know that 1 MJ = $10^6$ Joules. So, 30 MJ = $30 \times 10^6$ Joules = $3 \times 10^9$ Joules. Show more…
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