Question

If |A + B| 2 = A2 + B2 , then: A. the angle between A...

If |A + B| 2 = A2 + B2 , then:

A. the angle between A and B must be 60°.

B. A and B must be parallel and in the same direction.

C. A and B must be parallel and in the opposite direction.

D. either A or B must be zero.

E. None of the above is true.

Science   Physics   
0 0
Add a commentTranscribed image text
Next >

Homework Answers

Answer #1

0 0
Know the answer?
Your Answer:

Post as a guest

Your Name:

What's your source?

Earn Coins

Coins can be redeemed for fabulous gifts.

Log In

Sign Up

Not the answer you're looking for?
Ask your own homework help question
Similar Questions
If |(A) + (B)|2 = A2+ B2, then:
If |(A) + (B)|2 = A2+ B2, then:
Prove the statement: For all integers a, b,and c, if a2 + b2 = c2, then...
Prove the statement: For all integers a, b,and c, if a2 + b2 = c2, then a or b is even.
The Kc for the following reaction is 56.2 at 305°C. A2(g) + B2(g) 2 C(g) If...
The Kc for the following reaction is 56.2 at 305°C. A2(g) + B2(g) 2 C(g) If a reaction is initiated with 2.4 M of each substance, what is the equilibrium concentration of C? a. 0.76 M b. 5.7 M c. 4.3 M d. 1.2 M e. 2.4 M please show work
Find the exact value sin ?(2 arctan(−a/b)+arccos(a))?,where a>0, b>0, and a2+b2 =1.
Find the exact value sin ?(2 arctan(−a/b)+arccos(a))?,where a>0, b>0, and a2+b2 =1.
Let a, b ∈Z and n ∈N. (a) True/False: If a2 ≡ b2 (mod n), then...
Let a, b ∈Z and n ∈N. (a) True/False: If a2 ≡ b2 (mod n), then a ≡ b (mod n). (b) True/False: If a ≡ b (mod p) and a ≡ b (mod q) for distinct primes p and q, then a ≡ b (mod pq). Justify your answers properly.
b. The table below suggests which of the following? (1pt) Factor B B1 B2 Factor A...
b. The table below suggests which of the following? (1pt) Factor B B1 B2 Factor A A1 60 70 A2 40 50 [ ] A: Main effect of A only [ ] B: Main effect of B only [ ] C: Both main effects (only) [ ] D: Both main effects and an interaction c. The table below suggests which of the following? (1pt) Factor B B1 B2 Factor A A1 60 100 A2 40 50 [ ] A: Main...
A four-input (A1, A2, B1, B2) and two-output (Y1, Y2) “BUT” gate has the following behavior:...
A four-input (A1, A2, B1, B2) and two-output (Y1, Y2) “BUT” gate has the following behavior: • Y1 is 1 if A1 and B1 are 1 but either A2 or B2 is 0 • Y2 is defined symmetrically a. Write logic expressions for Y1 and Y2 outputs of the BUT gate b. Draw the corresponding logic diagram using AND gates, OR gates, and inverters c. Write a behavioral-style Verilog model for the BUT gate
Prove: If n ≡ 3 (mod 8) and n = a2 + b2 + c2 +...
Prove: If n ≡ 3 (mod 8) and n = a2 + b2 + c2 + d2, then exactly one of a, b, c, d is even. (Hint: What can each square be modulo 8?)
The Kc for the following reaction is 5.62 at 305°C. A2(g) + B2(g) 2 C(g) If...
The Kc for the following reaction is 5.62 at 305°C. A2(g) + B2(g) 2 C(g) If a reaction is initiated with 2.4 M of each substance, what is the equilibrium concentration of C?
In the linear model, suppose a researcher uses Y1 / X1 as an estimator for B2....
In the linear model, suppose a researcher uses Y1 / X1 as an estimator for B2. Also, suppose B1 = 0, then the expectation of the estimator, i.e., E( Y1 / X1 ) is: A) B2 B) 0 C) close to B2 with probability close to 1, when N is large D) None of the Above
ADVERTISEMENT
Need Online Homework Help?

Get Answers For Free
Most questions answered within 1 hours.

Ask a Question
ADVERTISEMENT