Question #162865

A lizard is running across the road at a speed of 2.8 m/s. To be safely on the other side of the road, the lizard needs to run 3.0 meters. How long will it take for the lizard to run 3.0 meters? Round to a tenth of a second.

Expert's answer

**Q162865**

A lizard is running across the road at a speed of 2.8 m/s. To be safely on the other side of the road, the lizard needs to run 3.0 meters. How long will it take for the lizard to run 3.0 meters? Round to a tenth of a second.

**Solution:**

We are given the speed with which the lizard is running and also the distance he needs to run so as to reach safely on other side of the road.** **

We can use the formula of speed and find the time required for the lizard to reach other side of the road.

Speed of lizard, s = 2.8 m/s

distance he needs to run = 3.0 m.

We are already given speed and distance in the SI unit, so there is no need for us to

do the conversion. Plug speed and distance in the formula.

"speed (m\/s) = \\frac{distance (m) }{time(s)} = \\frac{d}{t}"

"2.8m\/s = \\frac{3.0m}{t };"

Arranging this equation for 't' we have

"t = \\frac{3.0m}{2.8m\/s} = 1.07 s ;"

which to tenth of a second is written as 1.1s.

**Hence the lizard will take*** 1.1 seconds*** to reach safely to other side of the road. **

Learn more about our help with Assignments: Chemistry

## Comments

## Leave a comment