Mathematics: For the winter, a duck flies 10.0 m/s due south against a gust of wind with a speed of 2.5 m/s. what is the resultant velocity of the duck? a. 12.5 m/s south c. 7.5 m/s south b. 12.5 m/s south d. 7.5 m/s south

For the winter, a duck flies 10.0 m/s due south

Ответ:

carelee1269

09.06.2020

The duck is flying south at 10 m/s. He is flying into a headwind. Thus the headwind is slowing him down. The headwind is going from south to north.

Add two vectors together.

10 m/s + (-2.5 m/s) = 7.5 m/s.

Answer C

Hope it helps.

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Ответ:

mithydizon1553

05.08.2021

Mathematics

2000000 bricks

Step-by-step explanation:

The computation of the number of bricks to be used is shown below:

The Volume of brick is

= (15 × 8 × 5)cm^3

= 600 cm^3

And, the Volume of wall is

= (1500 × 1000 × 800)cm^3

= 1200000000 cm^3

Now Bricks needed is

= 1200000000 cm^3 ÷ 600cm^3

= 2000000 bricks

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For the winter, a duck flies 10.0 m/s due south against a gust of wind with a speed of 2.5 m/s. what is the resultant velocity of the duck?
a. 12.5 m/s south
c. 7.5 m/s south
b. 12.5 m/s south
d. 7.5 m/s south

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