F = ma
F = 58.8
a = 9.81
58.8 = 9.81m
m = 58.8/9.81 = 5.99 kg
Answer:
Bases are substances that dissolve in water to release hydroxide ions ... Chalk and oven cleaner are examples of familiar products that contain bases
The answer is c) Electrical energy
Answer:
The wood is oak.
Explanation:
Given data:
Mass of wood = 70 g
Volume of wood = 103 cm³
Wood is oak = ?
Solution:
We will calculate the density of wood then we will compare it with literature value.
Density = mass/ volume
d = 70 g/ 103 cm³
d = 0.68 g/cm³
The density of oak is 0.59 - 0.90 g/cm³.
So its true, wood is oak.
