Answer: The value of x is -6.
Explanation:
To calculate the value of 'x', we need to solve each function happening inthe equation.
The equation provided to us is 
To solve this, we will multiply 4x with 2 and then subtract the like terms and finally, we evaluate the value of 'x'.

Hence, the value of x will be -6.
The impulse is equal to the variation of momentum of the object:

where m is the mass object and

is the variation of velocity of the object.
The ball starts from rest so its initial velocity is zero:

. So we can rewrite the formula as

or

and since we know the impulse given to the ball (I=16 Ns) and its mass (m=2 kg), we can find the final velocity of the ball:
The light that hits the surface of it is scattered.
The required value of the index of refraction of glass is 1.5.
Given data:
The speed of light in a vacuum is,
.
The speed of light in a glass is,
.
Light has the tendency to travel from one medium to another, then the difference between the speeds of light in various mediums is determined by a term, known as the index of refraction. The mathematical expression for the index of refraction of glass is,
n = c / v
Solving as

Thus, we can conclude that the required value of the index of refraction of glass is 1.5.
Learn more about the index of refraction here:
brainly.com/question/17156275