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3 years ago

What is the streak of a mineral used for

Physics

2 answers:

Savatey [412]3 years ago

6 0

Answer:

Streak of a mineral is used to identify a specific mineral.

Explanation:

Streak of a mineral is a color of a particular mineral in its powder form. Geologist carry out "Streak Test" to identify the mineral type by its color. Here's how:

For example: we have a mineral like Hematite which consists several different specimens in it and each specimen possess different colors like black, red, brown or silver. But all of these specimens gives a combined streak of reddish color which is a characteristic of Hematite Mineral.

ad-work [718]3 years ago

5 0

The streak of a mineral is used for identifying what the mineral may be.

Hope this helps :)

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Shuffle a deck of cards and turn over the first card. What is the sample space of the experiment? How many outcomes are in the e

True [87]

Answer:

The sample space contain 52 entities as shown in explanation.

The event that first card is a heart, contains 13 outcomes as shown in the explanation.

Explanation:

The sample space will contain 52 entities as follows:

Sample Space = {Heart 1, Heart 2,Heart 3,Heart 4,Heart 5,Heart 6,Heart 7,Heart 8,Heart 9,Heart Jack,Heart Queen, Heart King,Heart A,Spade 1, Spade 2,Spade 3,Spade 4,Spade 5,Spade 6,Spade 7,Spade 8,Spade 9,Spade Jack,Spade Queen, Spade King,Spade A, Diamond 1, Diamond 2,Diamond 3,Diamond 4,Diamond 5,Diamond 6,Diamond 7,Diamond 8,Diamond 9,Diamond Jack,Diamond Queen, Diamond King,Diamond A, Club 1, Club 2,Club 3,Club 4,Club 5,Club 6,Club 7,Club 8,Club 9,Club Jack,Club Queen, Club King,Club A}

There will be 13 outcomes in the event that first card is a heart, as follows:

Event(first card hearts) = {Heart 1, Heart 2,Heart 3,Heart 4,Heart 5,Heart 6,Heart 7,Heart 8,Heart 9,Heart Jack,Heart Queen, Heart King,Heart A}

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2 years ago

A change in the structure of DNA in the egg cell could result in a

Ilya [14]

Answer: A mutation

Explanation: because it changes the DNA sequence of a gene

4 0

2 years ago

Read 2 more answers

object x and y fall from a same height and object x is heavier than y which object would fall faster qnd y

hjlf

Answer: They’d fall at the same speed, because air resistance is the only thing that makes an object fall faster than another. There’s a video somewhere on the internet of a bowling ball and a feather falling at the same speed in a vacuum, if you look for it. Hope this helps!

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2 years ago

A dumbbell-shaped object is composed by two equal masses, m, connected by a rod of negligible mass and length r. If I_1 is the m

Paraphin [41]

Answer:

I2>I1

Explanation:

This problem can be solved by using the parallel axis theorem. If the axis of rotation of a rigid body (with moment of inertia I1 at its center of mass) is changed, then, the new moment of inertia is gven by:

$I_2=I_{1}+Md^2$

where M is the mass of the object and d is the distance of the new axis to the axis of the center of mass.

It is clear that I2 is greater than I1 by the contribution of the term Md^2.

I2>I1

hope this helps!!

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2 years ago

A 1.5m wire carries a 4 A current when a potential difference of 63 V is applied. What is the resistance of the wire?

Korvikt [17]

Resistance = voltage / current
Resistance = 63 / 4
Resistance = 15.75 ohms

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2 years ago