Answer:
A kg of cotton is heavier.
Explanation:
Because in air, cotton gets upthrust that's why weighing machine gives less weight than its actually have.
for eg: If cotton has 800g weight, the machine shows a kg(1kg) when measure in air due to upthrust.
I hope this will be helpful for you.
CsCl, when dissolved in water, produces the solution with a ph closest to 7.00.
<h3>What is pH?</h3>
In chemistry, pH, historically denoting "potential of hydrogen" (or "power of hydrogen"), is a scale used to specify the acidity or basicity of an aqueous solution.
Acidic solutions (solutions with higher concentrations of H+ ions) are measured to have lower pH values than basic or alkaline solutions.
The pH scale is logarithmic and inversely indicates the concentration of hydrogen ions in the solution.
Solutions with a pH less than 7 are acidic, and solutions with a pH greater than 7 are basic.
Solutions with a pH of 7 at this temperature are neutral (e.g. pure water).
The neutral value of the pH depends on the temperature – being lower than 7 if the temperature increases above 25 °C.
The pH value can be less than 0 for very concentrated strong acids, or greater than 14 for very concentrated strong bases.
To learn more about pH: brainly.com/question/491373
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Answer:
the car’s final displacement is 60 m
Explanation:
Given;
initail velocity of the car, u = 0
acceleration of the car, a = 0.8 m/s²
time of motion, t = 10 s
The first displacement of the car:
The second displacement of the car;
acceleration, a = 0.4 m/s², time of motion, t = 10 s
The final displacement of the car;
x = x₁ + x₂
x = 40 m + 20 m
x = 60 m
Therefore, the car’s final displacement is 60 m
Answer:
Even though cars are designed to crumple up and absorb impacts, their energy still poses a major risk to the driver and passengers. ... Airbags help your body stop more slowly, reducing the risk of injury and death.
Explanation: