During Mr. Nye's science class, students were expected to identify various substances using physical properties they could easily measure. Mr. Nye gave each of the five groups a green, metal cube. The students had to identify what metal the cube was made of. The length of each side was 3.0 cm and the mass was 270 grams. What property should Mr. Nye's science students use to identify the metal in the cubes?

A) color

B) density

C) mass

D) volume

Answers

Answer 1

Answer: Density is the best property to use, as while multiple different metals could create cubes with the same color, mass, or volume, no different metal could create a cube with the same mass and volume. Density is based on mass and volume, and as a result no two different metals will have the same density.

Answer 2

Answer: Hey there

The students should use density.

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If sediment is pushed along the underside of a glacier, what would occur?

Answers

When sediment is pushed along the underside of the glacier, striations occur. Striations are "Scratches" that look like long, parallel grooves. This also shows the direction that the glacier has moved in. Sediment gets pushed along the underside due to the flowing of the glacier.

Answer:

Glacial Striations

Explanation:

Glacier is an erosion agent that transports and deposits sediments.

Due to the weight and gradual flow of a glacier, it carves along parts of the mass beneath it, these parts are known as sediments, this movement causes marks to appear on the land beneath it. These marks are called Glacial Striations.

A graduated cylinder has 20 ml (cm3) of water placed in it. An irregularly shaped rock is then dropped in the graduated cylinder and the volume of the rock and water in the cylinder now reads 30 ml (cm3). The mass of the rock dropped into the graduated cylinder is 23 grams.a.) Find the volume of the rock dropped into the graduated cylinder.
b.) Find the density of the rock dropped into the graduated cylinder.

Answers

A) Volume = displacement
Therefore the rock has a volume of 10mL
B) density = Mass/ Volume
Therefore density = 23/10 = 2.3 per unit volume

Final answer:

The volume of the rock dropped into the graduated cylinder is 10 ml. The density of the rock is 2.3 g/ml.

Explanation:

We first determine the volume of the rock dropped into the graduated cylinder. The initial volume of water in the cylinder is 20 ml, and after placing the rock, the total volume increases to 30 ml. Therefore, the volume of the rock is the total volume minus the initial volume of the water, which is 30 ml - 20 ml = 10 ml.

Next, we find the density of the rock. The formula for density is mass/volume. Given that the mass of the rock is 23 grams and the volume is 10 ml, the density of the rock would be mass/volume = 23 grams / 10 ml = 2.3 g/ml.

Learn more about Density here:

brainly.com/question/34199020

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If the current through R1 is 2A what is the current through R2

Answers

The answer to that one depends on whether the resistors are connected in series or in parallel. That's an item of information that we don't have.

How do geologist locate the epicenter of an earthquake?

Answers

by taking measurements from 3 seismograms.

The frequency of wave A is 250 hertz and the wavelength is 30 centimeters. The frequency of wave B is260 hertz and the wavelength is 25 centimeters. Which is the faster wave?

Answers

Wave A will be faster than the wave B because $V_A > V_B$

What is the frequency of the wave?

The frequency of the wave is defined as the cycle completed by the wave per second.

Now it is given in the question:

Frequency of wave A = 250 hertz

The wavelength of wave A= 30 cm

Frequency of wave B = 260 hertz

The wavelength of wave B= 25 cm

Now for finding which wave is faster we will calculate the velocity of the wave.

For Wave A

$V_A=f*\lambda=250* 30=7500\ (cm)/(s)$

For wave B

$V_B=f*\lambda=260* 25=6500\ (cm)/(s)$

We can see that the velocity of wave A is higher than the velocity of wave B.

Thus wave A will be faster than the wave B because $V_A > V_B$

To know more about the frequency of waves follow

brainly.com/question/12215474

Use the equation v=fλ
Wave A
250×30×10^-2=75 m/s
Wave B
260×25×10^-2=65 m/s

Therefore
Wave A is faster

In a clarinet, the reed end of the instrument acts as a node and the first open hole acts as an antinode. because the shape of the clarinet is nearly cylindrical, its harmonic series approximately follows that of a pipe closed at one end. What harmonic series is predominant in a clarinet?

Answers

The first and the third harmonics are predominant because they produce odd partials.

We know that the clarinet is a wind instrument. Wind instruments are those instruments that produce sound when a column of air is vibrated inside the instrument.

The clarinet closely follows the harmonics of a pipe that is open at one end. Hence, the first and the third harmonics are predominant because they produce odd partials.

Learn more about harmonics: brainly.com/question/1984022

The first and third, because it only produces odd partials.

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