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2 years ago

What would be the scenario of negative acceleration

2 answers:

7 0

Negative acceleration refers to any object that has a force acting on it in a direction that is opposite to what it is initially travelling in. In this scenario the object may: ... travel at a slower speed, in the opposite direction, OR. travel at a slower speed and in the same direction (known as deceleration), OR.

Vika [28.1K]2 years ago

6 0

Answer:

In this scenario the object may travel at a slower speed, in the opposite direction, or travel at a slower speed and in the same direction

Explanation:

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A leaf change color is evidence of which type of chemical change?

garri49 [273]

Answer:

changes like leaves turning color in the fall are chemical changes. They involve chemical reactions. Bonds break in chemicals and new bonds form. Substances change into new chemical compounds.

Explanation:

6 0

2 years ago

In which of the following compounds is the mass ratio of chromium to oxygen closest to 1.62 to 1.00?

ohaa [14]

Answer:

The answer to your question is letter A

Explanation:

Data

Mass ratio 1.62 to 1.00

Atomic mass Cr = 52 g

Atomic mass O = 16

Process

1.- Calculate the proportion Chromium to Oxygen to each possible solutions

a) CrO₃ = $\frac{52}{16 x 3} = \frac{52}{48} = 1.08$

b) CrO₂ = $\frac{52}{16 x 2} = \frac{52}{32} = 1.63$

c) CrO = $\frac{52}{16} = 3.25$

d) Cr₂O = $\frac{52 x 2}{16} = \frac{104}{16} = 6.5$

8 0

2 years ago

Why is stainless steel harder than pure iron

lord [1]

Something made of pure iron is softer than steel because the atoms can slip over one another. If other atoms like carbon are added, they are different from iron atoms and stop the iron atoms from sliding apart so easily. This makes the metal stronger and harder.

3 0

2 years ago

Read 2 more answers

In the SI units, what makes the base units special

djverab [1.8K]

Answer:

All other units are gotten from them

6 0

2 years ago

A chemist weighed out 19.9 g of aluminum. Calculate the number of moles of aluminum she weighed out.

vodomira [7]

Aluminum is 26.982 grams per mole, so 26.982/19.9 will give you the moles 1.3558794

3 0

3 years ago