Consider the voltage phasor in Figure 32.4, shown at three instants of time. (i) Choose the part of the figure, (a), (b), or (c), that represents the instant of time at which the instantaneous value of the voltage has the largest magnitude. (ii) Choose the part of the figure that represents the instant of time at which the instantaneous value of the voltage has the smallest magnitude.

Question

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Answer 1

Textbook Question

Chapter 33, Problem 33.1QQ

Consider the voltage phasor in Figure 32.4, shown at three instants of time. (i) Choose the part of the figure, (a), (b), or (c), that represents the instant of time at which the instantaneous value of the voltage has the largest magnitude. (ii) Choose the part of the figure that represents the instant of time at which the instantaneous value of the voltage has the smallest magnitude.

(i)

Expert Solution

To determine

The correct Figure that represents the largest magnitude of voltage at instant of time.

Answer to Problem 33.1QQ

The largest magnitude of voltage at instant of time represents Figure (c).

Explanation of Solution

A phasor diagram is arrow whose length represents the amplitude of an AC voltage or current. The phasor diagram rotates counterclockwise about the origin with angular frequency of the AC quantity. The maximum rotation of the length of the arrow with angular frequency represents the largest magnitude of voltage. Hence, the Figure (c) represents the largest magnitude of voltage at instant of time

Conclusion:

Therefore, the Figure (c) represents the largest magnitude of voltage at instant of time because of maximum rotation of arrow in counterclockwise with maximum frequency.

(ii)

Expert Solution

To determine

The correct Figure that represents the smallest magnitude of voltage at instant of time.

Answer to Problem 33.1QQ

The smallest magnitude of voltage at instant of time represents Figure (b).

Explanation of Solution

A phasor diagram is arrow whose length represents the amplitude of an AC voltage or current. The phasor diagram rotates counterclockwise about the origin with angular frequency of the AC quantity. The minimum rotation of the length of the arrow with minimum angular frequency represents the minimum voltage. Hence, the Figure(b) represents the minimum voltage at instant of time because of minimum rotation of the length of the arrow with minimum angular frequency represents.

Thus, the Figure (b) represents the smallest magnitude of voltage at instant of time.

Conclusion:

Therefore, the Figure (b) represents the smallest magnitude of voltage at instant of time because of minimum rotation of arrow in counterclockwise with minimum frequency.

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Part C Find the height yi from which the rock was launched. Express your answer in meters to three significant figures. Learning Goal: To practice Problem-Solving Strategy 4.1 for projectile motion problems. A rock thrown with speed 12.0 m/s and launch angle 30.0 ∘ (above the horizontal) travels a horizontal distance of d = 19.0 m before hitting the ground. From what height was the rock thrown? Use the value g = 9.800 m/s2 for the free-fall acceleration. PROBLEM-SOLVING STRATEGY 4.1 Projectile motion problems MODEL: Is it reasonable to ignore air resistance? If so, use the projectile motion model. VISUALIZE: Establish a coordinate system with the x-axis horizontal and the y-axis vertical. Define symbols and identify what the problem is trying to find. For a launch at angle θ, the initial velocity components are vix=v0cosθ and viy=v0sinθ. SOLVE: The acceleration is known: ax=0 and ay=−g. Thus, the problem becomes one of…

Phys 25

Answer 2

Textbook Question

Chapter 33, Problem 33.1QQ

Consider the voltage phasor in Figure 32.4, shown at three instants of time. (i) Choose the part of the figure, (a), (b), or (c), that represents the instant of time at which the instantaneous value of the voltage has the largest magnitude. (ii) Choose the part of the figure that represents the instant of time at which the instantaneous value of the voltage has the smallest magnitude.

(i)

Expert Solution

To determine

The correct Figure that represents the largest magnitude of voltage at instant of time.

Answer to Problem 33.1QQ

The largest magnitude of voltage at instant of time represents Figure (c).

Explanation of Solution

A phasor diagram is arrow whose length represents the amplitude of an AC voltage or current. The phasor diagram rotates counterclockwise about the origin with angular frequency of the AC quantity. The maximum rotation of the length of the arrow with angular frequency represents the largest magnitude of voltage. Hence, the Figure (c) represents the largest magnitude of voltage at instant of time

Conclusion:

Therefore, the Figure (c) represents the largest magnitude of voltage at instant of time because of maximum rotation of arrow in counterclockwise with maximum frequency.

(ii)

Expert Solution

To determine

The correct Figure that represents the smallest magnitude of voltage at instant of time.

Answer to Problem 33.1QQ

The smallest magnitude of voltage at instant of time represents Figure (b).

Explanation of Solution

A phasor diagram is arrow whose length represents the amplitude of an AC voltage or current. The phasor diagram rotates counterclockwise about the origin with angular frequency of the AC quantity. The minimum rotation of the length of the arrow with minimum angular frequency represents the minimum voltage. Hence, the Figure(b) represents the minimum voltage at instant of time because of minimum rotation of the length of the arrow with minimum angular frequency represents.

Thus, the Figure (b) represents the smallest magnitude of voltage at instant of time.

Conclusion:

Therefore, the Figure (b) represents the smallest magnitude of voltage at instant of time because of minimum rotation of arrow in counterclockwise with minimum frequency.

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Answer 3

Textbook Question

Chapter 33, Problem 33.1QQ

Consider the voltage phasor in Figure 32.4, shown at three instants of time. (i) Choose the part of the figure, (a), (b), or (c), that represents the instant of time at which the instantaneous value of the voltage has the largest magnitude. (ii) Choose the part of the figure that represents the instant of time at which the instantaneous value of the voltage has the smallest magnitude.

(i)

Expert Solution

To determine

The correct Figure that represents the largest magnitude of voltage at instant of time.

Answer to Problem 33.1QQ

The largest magnitude of voltage at instant of time represents Figure (c).

Explanation of Solution

A phasor diagram is arrow whose length represents the amplitude of an AC voltage or current. The phasor diagram rotates counterclockwise about the origin with angular frequency of the AC quantity. The maximum rotation of the length of the arrow with angular frequency represents the largest magnitude of voltage. Hence, the Figure (c) represents the largest magnitude of voltage at instant of time

Conclusion:

Therefore, the Figure (c) represents the largest magnitude of voltage at instant of time because of maximum rotation of arrow in counterclockwise with maximum frequency.

(ii)

Expert Solution

To determine

The correct Figure that represents the smallest magnitude of voltage at instant of time.

Answer to Problem 33.1QQ

The smallest magnitude of voltage at instant of time represents Figure (b).

Explanation of Solution

A phasor diagram is arrow whose length represents the amplitude of an AC voltage or current. The phasor diagram rotates counterclockwise about the origin with angular frequency of the AC quantity. The minimum rotation of the length of the arrow with minimum angular frequency represents the minimum voltage. Hence, the Figure(b) represents the minimum voltage at instant of time because of minimum rotation of the length of the arrow with minimum angular frequency represents.

Thus, the Figure (b) represents the smallest magnitude of voltage at instant of time.

Conclusion:

Therefore, the Figure (b) represents the smallest magnitude of voltage at instant of time because of minimum rotation of arrow in counterclockwise with minimum frequency.

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Answer 4

Textbook Question

Chapter 33, Problem 33.1QQ

Consider the voltage phasor in Figure 32.4, shown at three instants of time. (i) Choose the part of the figure, (a), (b), or (c), that represents the instant of time at which the instantaneous value of the voltage has the largest magnitude. (ii) Choose the part of the figure that represents the instant of time at which the instantaneous value of the voltage has the smallest magnitude.

(i)

Expert Solution

To determine

The correct Figure that represents the largest magnitude of voltage at instant of time.

Answer to Problem 33.1QQ

The largest magnitude of voltage at instant of time represents Figure (c).

Explanation of Solution

A phasor diagram is arrow whose length represents the amplitude of an AC voltage or current. The phasor diagram rotates counterclockwise about the origin with angular frequency of the AC quantity. The maximum rotation of the length of the arrow with angular frequency represents the largest magnitude of voltage. Hence, the Figure (c) represents the largest magnitude of voltage at instant of time

Conclusion:

Therefore, the Figure (c) represents the largest magnitude of voltage at instant of time because of maximum rotation of arrow in counterclockwise with maximum frequency.

(ii)

Expert Solution

To determine

The correct Figure that represents the smallest magnitude of voltage at instant of time.

Answer to Problem 33.1QQ

The smallest magnitude of voltage at instant of time represents Figure (b).

Explanation of Solution

A phasor diagram is arrow whose length represents the amplitude of an AC voltage or current. The phasor diagram rotates counterclockwise about the origin with angular frequency of the AC quantity. The minimum rotation of the length of the arrow with minimum angular frequency represents the minimum voltage. Hence, the Figure(b) represents the minimum voltage at instant of time because of minimum rotation of the length of the arrow with minimum angular frequency represents.

Thus, the Figure (b) represents the smallest magnitude of voltage at instant of time.

Conclusion:

Therefore, the Figure (b) represents the smallest magnitude of voltage at instant of time because of minimum rotation of arrow in counterclockwise with minimum frequency.

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Answer 5

Textbook Question

Answer 6

Textbook Question

Answer 7

(i)

Expert Solution

To determine

The correct Figure that represents the largest magnitude of voltage at instant of time.

Answer to Problem 33.1QQ

The largest magnitude of voltage at instant of time represents Figure (c).

Explanation of Solution

A phasor diagram is arrow whose length represents the amplitude of an AC voltage or current. The phasor diagram rotates counterclockwise about the origin with angular frequency of the AC quantity. The maximum rotation of the length of the arrow with angular frequency represents the largest magnitude of voltage. Hence, the Figure (c) represents the largest magnitude of voltage at instant of time

Conclusion:

Therefore, the Figure (c) represents the largest magnitude of voltage at instant of time because of maximum rotation of arrow in counterclockwise with maximum frequency.

(ii)

Expert Solution

To determine

The correct Figure that represents the smallest magnitude of voltage at instant of time.

Answer to Problem 33.1QQ

The smallest magnitude of voltage at instant of time represents Figure (b).

Explanation of Solution

A phasor diagram is arrow whose length represents the amplitude of an AC voltage or current. The phasor diagram rotates counterclockwise about the origin with angular frequency of the AC quantity. The minimum rotation of the length of the arrow with minimum angular frequency represents the minimum voltage. Hence, the Figure(b) represents the minimum voltage at instant of time because of minimum rotation of the length of the arrow with minimum angular frequency represents.

Thus, the Figure (b) represents the smallest magnitude of voltage at instant of time.

Conclusion:

Therefore, the Figure (b) represents the smallest magnitude of voltage at instant of time because of minimum rotation of arrow in counterclockwise with minimum frequency.

Answer 8

(i)

Expert Solution

To determine

The correct Figure that represents the largest magnitude of voltage at instant of time.

Answer to Problem 33.1QQ

The largest magnitude of voltage at instant of time represents Figure (c).

Explanation of Solution

A phasor diagram is arrow whose length represents the amplitude of an AC voltage or current. The phasor diagram rotates counterclockwise about the origin with angular frequency of the AC quantity. The maximum rotation of the length of the arrow with angular frequency represents the largest magnitude of voltage. Hence, the Figure (c) represents the largest magnitude of voltage at instant of time

Conclusion:

Therefore, the Figure (c) represents the largest magnitude of voltage at instant of time because of maximum rotation of arrow in counterclockwise with maximum frequency.

Answer 9

(i)

Expert Solution

Answer 10

(i)

Expert Solution

Answer 11

Expert Solution

Answer 12

To determine

The correct Figure that represents the largest magnitude of voltage at instant of time.

Answer 13

Answer to Problem 33.1QQ

The largest magnitude of voltage at instant of time represents Figure (c).

Answer 14

Explanation of Solution

A phasor diagram is arrow whose length represents the amplitude of an AC voltage or current. The phasor diagram rotates counterclockwise about the origin with angular frequency of the AC quantity. The maximum rotation of the length of the arrow with angular frequency represents the largest magnitude of voltage. Hence, the Figure (c) represents the largest magnitude of voltage at instant of time

Conclusion:

Therefore, the Figure (c) represents the largest magnitude of voltage at instant of time because of maximum rotation of arrow in counterclockwise with maximum frequency.

Answer 15

(ii)

Expert Solution

To determine

The correct Figure that represents the smallest magnitude of voltage at instant of time.

Answer to Problem 33.1QQ

The smallest magnitude of voltage at instant of time represents Figure (b).

Explanation of Solution

A phasor diagram is arrow whose length represents the amplitude of an AC voltage or current. The phasor diagram rotates counterclockwise about the origin with angular frequency of the AC quantity. The minimum rotation of the length of the arrow with minimum angular frequency represents the minimum voltage. Hence, the Figure(b) represents the minimum voltage at instant of time because of minimum rotation of the length of the arrow with minimum angular frequency represents.

Thus, the Figure (b) represents the smallest magnitude of voltage at instant of time.

Conclusion:

Therefore, the Figure (b) represents the smallest magnitude of voltage at instant of time because of minimum rotation of arrow in counterclockwise with minimum frequency.

Answer 16

(ii)

Expert Solution

Answer 17

(ii)

Expert Solution

Answer 18

Expert Solution

Answer 19

To determine

The correct Figure that represents the smallest magnitude of voltage at instant of time.

Answer 20

Answer to Problem 33.1QQ

The smallest magnitude of voltage at instant of time represents Figure (b).

Answer 21

Explanation of Solution

A phasor diagram is arrow whose length represents the amplitude of an AC voltage or current. The phasor diagram rotates counterclockwise about the origin with angular frequency of the AC quantity. The minimum rotation of the length of the arrow with minimum angular frequency represents the minimum voltage. Hence, the Figure(b) represents the minimum voltage at instant of time because of minimum rotation of the length of the arrow with minimum angular frequency represents.

Thus, the Figure (b) represents the smallest magnitude of voltage at instant of time.

Conclusion:

Therefore, the Figure (b) represents the smallest magnitude of voltage at instant of time because of minimum rotation of arrow in counterclockwise with minimum frequency.

Answer 22

Ch. 33 - Consider the voltage phasor in Figure 32.4, shown...Ch. 33 - Consider the AC circuit in Figure 32.8. The...Ch. 33 - Consider the AC circuit in Figure 32.11. The...Ch. 33 - Consider the AC circuit in Figure 32.12. The...Ch. 33 - Label each part of Figure 32.16, (a), (b), and...Ch. 33 - An AC source drives an RLC circuit with a fixed...Ch. 33 - What is the impedance of a series RLC circuit at...Ch. 33 - An inductor and a resistor are connected in series...Ch. 33 - (i) When a particular inductor is connected to a...Ch. 33 - A capacitor and a resistor are connected in series...

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Answer to Problem 33.1QQ

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Answer to Problem 33.1QQ

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