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frutty [35]
3 years ago
9

A car travels a distance of 540km in 6 hours. What speed did it travel at?

Physics
2 answers:
maria [59]3 years ago
4 0

Speed v = distance travelled / time taken

v = d / t

v =  540 / 60h

v =   9 km /h

const2013 [10]3 years ago
4 0

The speed of the car that travels a distance of 540km in 6 hours is 90km/hr

Explanation:

Given:

Distance the car travels =540km

Time taken by the car to travel 540 km= 6 hours

To Find:

Rate at which the car travels=?

Solution:

\text { formula for speed }=\frac{\text { distance }}{\text { time }}

Substituting the known values,

\text { formula for speed }=\frac{\text {distance}}{\text {time}}

\text { formula for speed }=\frac{540}{6}

\text { formula for speed }=90 \mathrm{km} / \mathrm{hr}

Thus the  speed of car is 90 \mathrm{km} / \mathrm{hr}

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The coefficient of rolling friction will be "0.011".

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⇒  \mu_rmg=ma

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