3 years ago

All living things contain organic compounds. True False

Biology

1 answer:

telo118 [61]3 years ago

8 0

Hello I know the answer to your question the answer is true

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Which statement is not true of introduced species?

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3 years ago

A bus changes its velocity from 5 m/s to 15 m/s in 5 seconds. What is its acceleration?

sladkih [1.3K]

Answer:

$\boxed {\boxed {\sf A. \ 2 \ m/s^2}}$

Explanation:

Acceleration is the rate of velocity's change with time.

We can calculate it by dividing the change in velocity over time.

$a=\frac{v_f-v_i}{t}$

Let's define the variables. The final velocity is 15 meters per second. The initial velocity is 5 meters per second. The time is 5 seconds.

$v_f= 15 \ m/s \\v_i= 5 \ m/s \\t= 5 \ s$

Substitute the values into the formula.

$a=\frac{15 \ m/s- 5 \ m/s}{5 \ s }$

Solve the numerator first.

15 m/s - 5 m/s= 10 m/s

$a=\frac{10 \ m/s}{5 \ s}$

Divide.

$a= 2 \ m/s/s = 2 \ m/s^2$

The acceleration of the bus is <u>2 meters per second squared.</u>

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3 years ago