50km / 2.5 = 20 km per hour
Answer:

Explanation:
Some data in the problem are missing.
Missing values:
Radius of the cylinder: 13 cm
Height of the cylinder: 4 cm
The volume of a cylinder is given by

where
r is the radius of the base of the cylinder
h is the height of the cylinder
In this problem, we have:
r = 13 cm (radius)
h = 4 cm (height)
Therefore, the volume of the cylinder is:

A cuz the soil wi;l have the most tiny rock particularly i think feel free to ask any questions marked brailiest would be appreciated
I believe this would be frequency, as wavelength measures the waves themselves, and a period is a section of time. Wave speed is the speed of their movement.
1.)Baking powder NaHCO3; sodium bicarbonate Used for baking for cooking, releases CO2 in reaction with other ingredients.
2.)Detergent Sodium sulphate, sodium hydroxide and phosphatecompounds Used for washing clothes.
3.)Toothpaste Calciuym carbonate, sodium flouride Used for cleaning teeth.
4.)Salt NaCl; Sodium Chloride Used in seasoning for cooking; also used as preservative.
5.)Vinegar C2H4O2
acetic acid, ethanoic acid
Used as preservative and for seasoning foods. Utilized for various household cleaning uses.