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Digiron [165]
2 years ago
9

Some athletes like runners or sprinters may train by attaching a small parachute to their upper body. The parachute opens behind

them as they run, resulting in a drag force acting on the athlete. Such athletes would never use this in actual competition, though. Explain how using a parachute like this might make an athlete stronger and why they wouldn’t actually use the parachute during a competition even though they trained with it.
Chemistry
1 answer:
vagabundo [1.1K]2 years ago
5 0

Answer:

when using would make an athlete stronger when they keep on training with it.

they don't actually use it during a competition because it slows them down and they won't be able to perform well during Competition even though they trained with it

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Alexa has a sample of gold that has a density of 19.32g/cm. She measured its mass to be
JulijaS [17]

Answer:

The volume of gold is 3.3 cm³.

Explanation:

Density:

Density is equal to the mass of substance divided by its volume.

Units:

SI unit of density is Kg/m³.

Other units are given below,

g/cm³, g/mL , kg/L

Formula:

D=m/v

D= density

m=mass

V=volume

Symbol:

The symbol used for density is called rho. It is represented by ρ. However letter D can also be used to represent the density.

Given data:

Mass of gold = 63 g

Density of gold = 19.32 g/cm³

Volume of gold = ?

Solution:

d = m/v

v = m/d

v = 63 g/ 19.32 g/cm³

v = 3.3 cm³.

8 0
3 years ago
If honey has a density of 1.36 g/ml what is the mass of 1.25 qt reported in kilograms
yawa3891 [41]
Answer;
1.6 kg.

Solution;
 
The density is 1.36 g/ml;

The volume is 1.25 qt
However; 1 qt = 946.35 ml 

Mass is given by; density × volume;
    = 1.25 qts × 946.25 ml/qt × 1.36 g/ml =1609 g 
but; 1 kg = 1000 g
Hence the mass = 1609/1000 = 1.609 Kg or 1.61 (sig figs)

7 0
4 years ago
Threats faced by the Everglades and the Louisiana wetlands.
Viefleur [7K]

Answer:

Invasive species, runoff pollution, and climate change.

Explanation:

Invasive species, such as Burmese pythons, threaten the Florida Everglades because they are not native to the natural habitat. Pythons eat the native animals, but they don't have any predators.

Pollution from nearby farms and roads enters the water and damages the ecosystem of the Everglades and Louisiana wetlands. Toxic chemicals lead to detrimental effects for both humans and wildlife.

Humans have drained swampy areas to allow for development. However, this has led to the Everglades drying up and even burning in recent years.

6 0
4 years ago
Ionic bonds are ___________ than covalent bonds and are ___________ common in cells.
sammy [17]

Answer:

Ionic bonds are stronger than covalent bonds

8 0
2 years ago
In the balanced molecular equation for the neutralization of sodium hydroxide with sulfuric acid, the products are:
earnstyle [38]

The balanced molecular equation for the neutralization of sodium hydroxide with sulfuric acid is:

Sodium hydroxide + Sulfuric acid →  Sodium sulfate +water

<h3>What is the balanced molecular equation?</h3>

A balanced equation is an equation for a chemical reaction in which the number of atoms for each element in the reaction and the total charge is the same for both the reactants and the products. In other words, the mass and the charge are balanced on both sides of the reaction.

In the given reaction, the reactants have been sulfuric acid and sodium hydroxide. Thus, these are written on the left side of the right arrow. The sodium sulfate and water have been the products and written on the right side of the right arrow.

The balanced molecular equation for the neutralization of sodium hydroxide with sulfuric acid is:

Sodium hydroxide + Sulfuric acid →  Sodium sulfate +water

Learn more about balanced molecular equations here:

brainly.com/question/4025301

#SPJ4

7 0
2 years ago
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