Vector Addition and Subtraction

Question 1

Check all expressions whose sum represents the same vector as (r + s) + t.

Question 2

[___], [___]

Revolt · Accepted Answer

5, 3

Question 3

2a + b – 3cc + 2(a – d) + bd – 4a – 2b ✔ 5(a – c) + 3(b – d)

Revolt · Accepted Answer

5(a – c) + 3(b – d)

Question 4

2a + b – 3c✔ c + 2(a – d) + bd – 4a – 2b 5(a – c) + 3(b – d)

Revolt · Accepted Answer

c + 2(a – d) + b

Question 5

The magnitude of w is approximately [___].

Revolt · Accepted Answer

26; The magnitude of w is approximately .: 26; The angle between w and u is approximately °.: 32.2

Question 6

22.5✔ 32.257.8X 67.5

Revolt · Accepted Answer

✔ 32.2

Question 7

2a + b – 3cc + 2(a – d) + bd – 4a – 2b ✔ 5(a – c) + 3(b – d)

Revolt · Accepted Answer

✔ 5(a – c) + 3(b – d)

Vector Addition and Subtraction Answers