Physics, asked by awmprovat, 6 hours ago

A racing car completing 100 m straight in 2 seconds. What is the average speed of a car that travels for 3 hours and covers 40 km in the first hour, 45 km in the second hour, and 35 km in the third hour?

Answers

Answered by Anonymous
32

\sf\small\red{Given:-}

\bullet\rm \:  speed \: in \: 1 \: hour = 45  \: \frac{(kilometres)}{(hour)}

\bullet\rm \: speed \: in \: 2 \: hour  = 40 \:  \frac{(kilometres)}{(hour)}

\bullet\rm \: speed \: in \: 3 \: hour = 45 \frac{(kilometres)}{(hour)}

\sf\small\red{Find:-}

\bullet\rm \: average \: speed \: of \: car.

\sf\small\red{Solution:-}

Now,We know that.

 \rm  average \: speed =  \frac{total \: distance}{time}

\rm \rightarrow \frac{45 + 40 + 35}{3}

\rm \rightarrow \frac{120}{3}

\rm \rightarrow \red {40   \: \frac{kilometres}{hour} }

\rule{29mm}{1mm}

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