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3 years ago

10

You can tell when you are in an earthquake s shadow zone. a. True b. False

2 answers:

Verdich [7]3 years ago

5 0

your answer would be A. true

Sonbull [250]3 years ago

4 0

The correct answer is False

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In 1986, several robotic spacecrafts were sent into space to study the Halley's Comet. Which of these statements best explains w

Archy [21]

<span>c. They help discard some myths about objects in space.

When we learn something new, then we know more stuff,
and that helps us avoid ignorance and superstition.

The REAL question is:
</span><span>Why should we continue to send robotic spacecrafts,
and NOT spacecrafts piloted by people ?</span>

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3 years ago

3. Which of the following magnetic scenarios will repel each

Nastasia [14]

Answer:

option C (1 and 4)

Explanation:

Like poles repel each other, unlike poles attract each other

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3 years ago

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During which month is the bacteria population just under 1 million?

Thepotemich [5.8K]

D. March because it is just below the 1 million marker on the graph and it is the only one that low.

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3 years ago

What is the mass of a cylinder of lead that is 1.80 in in diameter, and 4.12 in long. the density of lead is 11.4 g/ml?

Sedbober [7]

1950 g This is the answer due to the kilograms of lead being distributed

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3 years ago

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A skier leaves the horizontal end of a ramp with a velocity of 31.0 m/s and lands 156.3 m from the base of a ramp how high is th

BartSMP [9]

<u>Answer:</u>

The height of ramp = 124.694 m

<u>Explanation:</u>

Using second equation of motion,

$s = ut + \frac{1}{2}at^2$

From the question,

u = 31 m/s; s = 156.3 m, a=0

substituting values

$156.3 = 31\times t + 0$

t = $\frac{156.3}{31 }$

= 5.042 s

Similary, for the case of landing

t = 5.042 s; initial velocity, u =0

acceleration = acceleration due to gravity, g = 9.81 $m/s^2$

Substituting in $h = ut + \frac{1}{2}gt^2$

$h = 0 + \frac{1}{2} \times 9.81 \times (5.042)^2$

h = 124.694 m

So height of ramp = 124.694 m

3 0

3 years ago