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# A car is moving along a straight road at a steady speed. It travels $150\ m$ in $5\ seconds$ :

(a) What is its average speed ?

(b) How far does it travel in $1\ second$ ?

(c) How far does it travel in $6\ seconds$ ?

(d) How long does it take to travel $240\ m$ ?

As given, a car is moving along a straight road at a steady speed. It travels $150\ m$ in $5\ seconds$.

**(a) **Distance traveled $=150\ m$

Time $=5\ s$

Therefore, average speed $=\frac{total\ distance}{time}$

$=\frac{150\ m}{5\ s}$

$=30\ m/s$

**(b) **Distance traveled in $1\ second=averaeg\ speed\times time=30\ m/s\times1\ s=30\ m$

**(c) **Distance traveled in $6\ seconds=speed\times time=30\ m/s\times 6\ s=180\ m$

**(d) **As known, $time=\frac{distance}{speed}$

$=\frac{240\ m}{30\ m/s}$

$=8\ s$

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