Respuesta :

marcthemathtutor

Answer:

3.78 m/s

Explanation:

Recall that the formula for average speed is given by

Speed = Distance ÷ Time taken

Where,

Speed = we are asked to find this

Distance = given as 340m

Time taken = 1.5 min = 1.5 x 60 = 90 seconds

Substituting the values into the equation:

Speed = Distance ÷ Time taken

= 340 meters  ÷ 90 seconds

= 3.777777 m/s

= 3.78 m/s (round to nearest hundredth)

TheAnimeGirl

Answer:

3.78 m/s

Option D is the right option.

solution,

Distance travelled=340 metre

Time taken= 1.5 minutes ( 1 minute=60 seconds)

=1.5* 60

=90 seconds

Now,

Average speed:

[tex] \ \frac{distance \: travelled \: }{time \: taken} \\ = \frac{340 \: m}{90 \: s} \\ = 3.78 \: metre \: per \: second[/tex]

Hope this helps...

Good luck on your assignment..

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