Question

Toy car in a science experiment covers 1.6 meters in half a second. If a the car travels at a steady speed, how far will it go in 10 seconds? A.. 0.8 m B.. 8 m C. 16 m D. 32 m

Answer 1

The answer is D. 32 m.

The simple equation that connects speed (v), time (t), and distance (d) can be expressed as:
$v= \frac{d}{t}$         ⇒ $d=v*t$

It is given:
$v = \frac{1.6m}{0.5s} = \frac{1.6m*2}{0.5s*2}= \frac{3.2m}{1s} = 3.2 m/s$
t = 10 s
d = ?

So:
$d= v*t=3.2m/s*10s = 32m$