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3 years ago

Which of these are types of meteorites? Select all that apply.

1 answer:

8 0

The types of meteorites are iron, stone and iron-stony meteorites. The stony-iron meteorites account for less than 2% of all known meteorites. They comprised of roughly equal amounts of nickel-iron and stone and are divided into two groups: pallasites and mesosiderites. The answers are only B and C

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A car has a mass of 1.00 × 103 kilograms, and it has an acceleration of 4.5 meters/second2. What is the net force on the car

Novay_Z [31]

Answer:

$4.5 *10^{3}\ kgm/s^{2}$

Explanation:

Given:

$Mass= 1.00 * 10^{3} \ kilograms,\\Acceleration =4.5\ meters/second^{2}$

As we know that

Force=Mass * Acceleration

Putting the value of mass and Acceleration we get ,

$Force\ = \ 1.00 * 10^{3} * 4.5\ m/s^{2}$

$Force\ =4.5 * \ 10^{3} \ kgm/s^{2}$

Therefore Net force is : $4.5 *10^{3}\ kgm/s^{2}$

0 0

3 years ago

Relative motion can best be defined as

creativ13 [48]

Relative motion is the motion of an object relative to another object,
or as it would appear to an observer stuck to the other object and
riding on it.

6 0

3 years ago

How do we know the age of the canyon diablo meteorite ?

Nostrana [21]

Answer:

how ever many layers it has i think

Explanation:

4 0

3 years ago

When comparing saturated and naturally occurring unsaturated fats, the unsaturated fats have __________ and are __________ at ro

Len [333]

Answer: have "cis C=C double bonds" and "liquid" at room temperature.

Explanation:

The unsaturated fatty acids have one or more C=C double bonds in the cis formation. Thus, this results in the molecules not been as stable as the saturated fats. They have weaker intermolecular bonds thus resulting in lower melting point . The consequently results in it being liquid at room temperature.

5 0

3 years ago

supposed the Kingfisher Dives with an average speed of 4.6 m / s for 1.4 seconds before hitting the water. What is the height fr

timama [110]

Answer:

h = 1.07 m

Explanation:

It is given that,

The average sped of the kingfisher, v = 4.6 m/s

Time, t = 1.4 s

Final speed, v = 0 (as it hits the water)

We need to find the height from which the bird dove. Let the height is h. According to the conservation of energy.

$mgh=\dfrac{1}{2}mv^2\\\\h=\dfrac{v^2}{2g}\\\\h=\dfrac{(4.6)^2}{2\times 9.8}\\\\h=1.07\ m$

So, the bird dove from a height of 1.07 m.

3 0

3 years ago