Is the element Ci (metal or non-metal) ?
1 answer:
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Answer: The equation for kinetic energy is
Explanation:
Kinetic energy is the energy possessed by the virtue of object's motion. It is defined as the work needed to move a body of a given mass from rest to its velocity.
Mathematically,
where,
m = mass of the body
v = velocity of the body.
Hence, above equation relates kinetic energy to the mass and velocity of the body.
The mass of a coin : 2.2613 g
<h3>Further explanation </h3>Algebraic expressions in mathematics are a combination of coefficients, numbers, variables, constants and arithmetic operations such as addition, subtraction, multiplication, and division.
The main composition of algebraic expressions are:
- 1. phrases
algebraic forms separated by arithmetic operations
consists of one phrase (monomial) to many phrases (polynomial)
- 2. variables
is a value that can be changed, can be in the form of letters, for example, x, y, a, b, etc.
- 3. constants
is a fixed value, can be a number
- 4. arithmetic operations ⇒ +, - , : , x
<em>If 100 coins have a total mass of 226.13g. What is the mass of a coin</em>
We can make this statement in the form of an algebraic equation :
100 coins=226.13 g
then the mass of a coin :