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3 years ago

Discuss how lawmakers could use scientific knowledge to help them make decisions that would benefit society.

1 answer:

7 0

Scientific knowledge is very firm in its facts and pieces of evidence that create a more precise definition. If lawmakers are able to use the scientific method in making a decision, it will make a big change and will be beneficial to the society. The set of rules will be more arranged, specific and restrictive that might change justice, tax, and law.

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The eye of a hurricane passes over grand bahama island in a direction 60.0Â° north of west with a speed of 41.0 km/h. three hour

Ksivusya [100]

initial velocity is given as 41 km/h at 60 degree North of West

$v_i = -41 cos60\hat i + 41 sin60 \hat j$

$v_i = -20.5 \hat i + 35.5 \hat j$

After some time the velocity is given as

$v_f = 25 \hat j$

now we can find the acceleration

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

$a = \frac{25\hat j - (-20.5 \hat i + 35.5 \hat j)}{3}$

$a = 6.83 \hat i - 3.5 \hat j$

now the distance is given by

$d = v*t + \frac{1}{2} at^2$

$d = (-20.5 \hat i + 35.5 \hat j)*4.5 + 0.5*(6.83 \hat i - 1.5 \hat j)* 4.5^2$

$d = -92.25\hat i + 159.75\hat j + 69.15\hat i - 15.19\hat j$

$d = -23.1 \hat i + 144.56\hat j$

so the magnitude of distance is

$d = \sqrt{23.1^2 + 144.56^2} = 146.4 km$

8 0

3 years ago

Read 2 more answers

In the illustration above the moon is in the position called

larisa [96]

Answer: new moon I think

Explanation:

8 0

3 years ago

Read 2 more answers

What general path do hurricanes in North America travel?

Nostrana [21]

Answer:

The hurricanes in North America generally move northwestward

3 0

3 years ago

A polar bear starts at the North Pole. It travels 1.0 km south, then 1.0 km east, then 1.0 km north, then 1.0 km west to return

stiks02 [169]

Answer:

The average speed of the bear is 5.3 km/h.

Explanation:

Hi there!

The average <u>speed</u> is calculated as the distance traveled divided by the time in which that distance was covered. The bear traveled 4 km (1 km south, 1 km east, 1 km north and 1 km west) in 45 min. It does not matter the direction at which the bear traveled, only how much distance the bear moved. So the average speed (a.s) will be:

a.s = d/t

Where:

d = traveled distance.

t = time in which that distance was covered.

$a.s = \frac{4 km}{45 min(\frac{1 h}{60 min}) } = 5.3\frac{km}{h}$

The average speed of the bear is 5.3 km/h.

Notice that if the question would have asked to find the average <u>velocity,</u> the answer would have been zero because the total displacement of the bear was zero (it returned to the initial point). The average velocity is calculated as the displacement over time.

3 0

4 years ago

A hypothesis can also be called

Oksanka [162]

An educated guess pretty much

3 0

4 years ago