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3 years ago

What does Newton's third law of motion state?

Biology

2 answers:

olchik [2.2K]3 years ago

7 0

Answer:EVERY OBJECT REMAIN AT THE STATE OF REST IN A UNIFORM MOTION UNLESS AN EXTERNAL FORCE ACTED UPON IT

Explanation:

anyanavicka [17]3 years ago

4 0

Answer;

it states that “ for every reaction, the there is an opposition reaction”.

Explanation;

“ if A exert a force F on B, B exerts the same but opposite force -F on A”

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3 years ago

True or false? There are only a few places in the food supply where pathogens can be introduced

Dmitriy789 [7]

Answer:

False

Explanation:

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2 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