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A toy plane moves at a constant speed of 2m/s. How long will it travel a distance of 42 meters?
A. 21 sec
B. 24 sec
C. 84 sec
D. 210 sec

Respuesta :

Matheng

Answer:

option A. 21 sec

Step-by-step explanation:

Speed = the distance over the time

Given:

Speed = 2 m/s  and distance = 42 m and time = t

So,

2 = 42/t

Solve for t

t = 42/2 = 21 sec.

The answer is option A. 21 sec

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