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vlabodo [156]
3 years ago
11

Football Player Position Mass (kg) Velocity (m/s) Half back 60 8 Tight end 90 6 Full back 110 5 Lineman 120 3 Based on the data

shown in the table, what is most likely being tested? A) Does the speed of a player affect his mass? B) How are mass and speed related in football? C) Which positions have the fastest speed and biggest mass? Eliminate D) How does the speed of a player change as his mass is increased?
Chemistry
2 answers:
katrin [286]3 years ago
5 0
Whether the speed of the player is affected by his weight is being tested.
A) The speed is affected by the player's mass.
B) As the mass increases, the velocity of the player decreases.
C) The fastest speed is the Half Back and the biggest mass if Lineman.
D) As the mass increases, the velocity of the player decreases.
Andreas93 [3]3 years ago
4 0

Answer:

D) How does the speed of a player change as his mass is increased

Explanation:

Since the data in the table shows us a clear increase in mass first, and a decrease in velocity corresponding to that increase in mass, the study most likely is trying to research the effects of an increase in the mass of the player and how it would affect its velocity. AS you can see in the table, the most heavy players are also the slowest and the quickest players are also the thinest, so there is a direct inverse correlationship.

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4 Identify Give an example of a physical change and an example of a chemical change.
AysviL [449]

Answer:

Answer below

Explanation:

Physical changes dont change the chemical makeup of an object. An example would be to tear a piece of paper. Tearing the paper doesnt change how the paper was made chemically

Chemical changes on the other hand do change the chemical makeup of an object. An example of a chemical change would be to bake a cake. The reason being that the chemical makeup of the cake batter is changed so that the actual cake is formed.

8 0
2 years ago
A 25 g substance has a temperature increase of 17’c when it absorbs 340 J of heat. What is it’s specific heat?
Irina-Kira [14]

Answer:

25 x 17 x 340

Explanation:

5 0
3 years ago
In the periodic table of elements, what do all of the elements in group 2 have in common?
Alika [10]

Answer: Option (C) is the correct answer.

Explanation:

The elements of group 2 are also known as alkaline earth metals. Thus, each element of group 2 is an alkaline earth metal.

Group 2 contains six elements from to bottom which are as follows.

Beryllium (Be), Magnesium (Mg), Calcium (Ca), Strontium (Sr), Barium (Ba) and Radium (Ra). Out of which radium is a radioactive element.


5 0
3 years ago
Read 2 more answers
When a negatively charged species is most appropriately depicted as a hybrid of several resonance forms, the negative charge pre
Varvara68 [4.7K]

Answer:

True

Explanation:

Resonance is a concept that was introduced when it was not possible to represent a compound with a single Lewis structure. Lewis formulas represent localized electrons, either shared by two atoms in a covalent bond or as non-shared electrons belonging to a given atom. Certain organic compounds, especially those containing multiple bonds can be described by more than one Lewis structure. In these cases, the true Lewis structure has an electronic distribution that is a "hybrid" of all possible Lewis structures of that molecule. Each of Lewis's structures is known as resonance or canonical forms and they are related to each other by a double-headed arrow, where all possible positions of electrons in that molecule are represented.

This type of compound has multiple bonds (double or triple) where electrons are not fixed, but move quickly between atoms, "resonating" between the different Lewis structures. For this reason, when a resonance hybrid has a negative charge, this charge moves between the different resonant structures.

Many times, an intermediate Lewis structure is drawn, with dotted lines, simulating approaching the real structure of the compound, and where this phenomenon of electron and charge mobility can be observed. For example, as we can observe in the ozone resonance image.

5 0
2 years ago
alculate the concentration of H3O⁺in a solution that contains 5.5 × 10-5M OH⁻at 25°C. Identify the solution as acidic, basic, or
docker41 [41]

Answer:

[H₃O⁺] = 1.82 x 10⁻¹⁰M

Explanation:

[H₃O⁺][OH⁻] = Kw = 1.0 x 10⁻¹⁴ = [H₃O⁺](5.5 x 10⁻⁵) => [H₃O⁺] = (1.0 x 10⁻¹⁴/5.5 x 10⁻⁵)M = 1.82 x 10⁻¹⁰M

3 0
3 years ago
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