Phys101
Term: 122
Online HW-Ch02-Lec01
Q1:
Vector V3 in the diagram is equal to:
A. ⃗
⃗
B. ⃗
⃗
C. ⃗
⃗
D. ⃗
E. ⃗
Ans:
Q2:
In the diagram, A has magnitude 12 m and B has magnitude 8m. The x component of
A + B is about: (Give your answer in three significant figures form)
Ans:
⃗
⃗
⃗
√
Q3:
Given two vectors A = 3 j + 6 k and B = 15 j + 21 k. Find the magnitude of vector C
that satisfies equation 2A + 3C - B = 0. (Give your answer in three significant figures
form)
Ans:
⃗
⃗)
(⃗
(
̂
̂
((
KFUPM-Physics Department
̂)
̂
⃗
̂)
̂
(
(
̂
̂ ))
̂
̂)
̂
̂
√
1