Question

The second one says 6cm and 3cm if you can't see.
A. True
B. False

Answer 1

The statement about using the Pythagorean theorem to calculate the length of a resultant vector from two perpendicular vectors is true. Given vectors of 6 cm and 3 cm, the theorem allows us to determine the resultant vector's length as approximately 6.71 cm. So, the given statement is A. True

Step-by-step explanation:

Understanding the Pythagorean Theorem in Vector Calculation

When dealing with vectors, the Pythagorean theorem can be a powerful tool.

Specifically, it is used to calculate the magnitude (or length) of a resultant vector when the vectors that are being added are perpendicular to each other.

For instance, if we have two orthogonal vectors with lengths of 6 cm and 3 cm, by applying the Pythagorean theorem:

c2 = a2 + b2

We can calculate the length of the resultant vector (c) as follows:

c2 = 62 + 32 => c2 = 36 + 9 => c2 = 45

Thus, c = √45, which is approximately 6.71 cm.

In this context, the statement 'We can use Pythagorean theorem to calculate the length of the resultant vector obtained from the addition of two vectors which are at right angles to each other.' is true.

Therefore, the given statement is A. True

Answer 2

Main Answer

The statement "The second one says 6cm and 3cm if you can't see" is True because it's providing an alternative measurement for someone who cannot see the actual size of the object being referred to. The answer is: A. True.

Explanation

This statement is true because it's providing an alternative measurement for someone who cannot see the actual size of the object being referred to.

The statement is implying that if someone cannot see the object's size, they can be informed that it measures 6cm or 3cm, depending on the specific context being discussed.

This type of statement is commonly used in technical or scientific fields where precise measurements are critical, and it helps to ensure that everyone involved in the discussion has a clear understanding of the object's size, regardless of whether they can see it or not. The answer is: A. True.