Question

A pulse has a speed of 5cm.s^-1. How far does it travel in 2,5s?​

Answer 1

12.5

Step-by-step explanation:

Its 5m per second times 2.5 seconds so it's 12.5m

Answer 2

`\boxed {\boxed {\sf 12.5 \ centimeters}}`

Step-by-step explanation:

We are asked to find how far a pulse travels or the distance. Distance is the product of speed and time.

`d= s * t`

The speed of the plus is 5 centimeters per second and the time is 2.5 seconds.

• s= 5 cm/s
• t= 2.5 s

Substitute the values into the formula.

`d= 5 \ cm/s * 2.5 \ s`

Multiply. Note that the units of seconds will cancel each other out.

`d= 12.5 \ cm`

The pulse travels 12.5 centimeters.