Q: If C ⃗ = A ⃗ + B ⃗ , what must be true about the directions and magnitudes
If C ⃗ = A ⃗ + B ⃗, what must be true about the directions and magnitudes of A ⃗ and B ⃗ if C = A + B? What must be true about the directions and magnitudes of A ⃗ and B ⃗ if C = 0?
See AnswerQ: If A ⃗ and B ⃗ are nonzero vectors, is it possible for both A ⃗ . B ⃗ and A ⃗ × B ⃗ to be zero? Explain.
If A ⃗ and B ⃗ are nonzero vectors, is it possible for both A ⃗ . B ⃗ and A ⃗ × B ⃗ to be zero? Explain.
See AnswerQ: Let A ⃗ represent any nonzero vector. Why is A ⃗ / A a unit vector,
Let represent any nonzero vector. Why is / A a unit vector, and what is its direction? If u is the angle that makes with the +x-axis, explain why ( A ⃗ / A)* ...
See AnswerQ: Figure 1.7 shows the result of an unacceptable error in
Figure 1.7 shows the result of an unacceptable error in the stopping position of a train. If a train travels 890 km from Berlin to Paris and then overshoots the end of the track by 10.0 m, what is the...
See AnswerQ: Sketch the six graphs of the x- and y-components
Sketch the six graphs of the x- and y-components of position, velocity, and acceleration versus time for projectile motion with x0 = y0 = 0 and 0 6 a0 6 90°.
See AnswerQ: When a Dodge Viper is at Elwood’s Car Wash, a BMW
When a Dodge Viper is at Elwood’s Car Wash, a BMW Z3 is at Elm and Main. Later, when the Dodge reaches Elm and Main, the BMW reaches Elwood’s Car Wash. How are the cars’ average velocities between the...
See AnswerQ: (a) If A ⃗ . B ⃗ = 0, does it necessarily follow that A = 0 or B = 0? Explain.
(a) If A ⃗ . B ⃗ = 0, does it necessarily follow that A = 0 or B = 0? Explain. (b) If A ⃗ × B ⃗ = 0, does it necessarily follow that A = 0 or B = 0? Explain.
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