young man owns a canister vacuum cleaner marked "535 W [at] 120 V" and a Volkswagen Beetle, which he wishes to clean. He parks the car in his apartment parking lot and uses an inexpensive extension cord 15.0 m long to plug in the vacuum cleaner. You may assume the cleaner has constant resistance. (a) If the resistance of each of the two conductors in the extension cord is 0.900 N, what is the actual power delivered to the cleaner? (b) If instead power is to be at least 525 W, what must be the diameter of each of two identical copper conductors in the cord he buys? (c) Repeat part (b) assuming the power is to be at the least 532 W.
young man owns a canister vacuum cleaner marked "535 W [at] 120 V" and a Volkswagen Beetle, which he wishes to clean. He parks the car in his apartment parking lot and uses an inexpensive extension cord 15.0 m long to plug in the vacuum cleaner. You may assume the cleaner has constant resistance. (a) If the resistance of each of the two conductors in the extension cord is 0.900 N, what is the actual power delivered to the cleaner? (b) If instead power is to be at least 525 W, what must be the diameter of each of two identical copper conductors in the cord he buys? (c) Repeat part (b) assuming the power is to be at the least 532 W.
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Chapter1: Units, Trigonometry. And Vectors
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I am struggling to understand 42 in the picture provided. Can someone please help me?! I tried setting it up, but I just don’t think I’m doing it correctly. Thanks!
![|Problems
735
maximum power that can safely be delivered to any one resis-
w tor is 25.0 W. (a) What is the maximum potential difference
that can be applied to the terminals a and b? (b) For the volt-
age determined in part (a), what is the power delivered to
each resistor? (c) What is the total power delivered to the
combination of resistors?
42. A young man owns a canister vacuum cleaner marked
"535 W [at] 120 V" and a Volkswagen Beetle, which he
wishes to clean. He parks the car in his apartment parking
lot and uses an inexpensive extension cord 15.0 m long to
plug in the vacuum cleaner. You may assume the cleaner has
1o constant resistance. (a) If the resistance of each of the two
ai conductors in the extension cord is 0.900 Q, what is the
Tomactual power delivered to the cleaner? (b) If instead
the power is to be at least 525 W, what must be the diameter
of each of two identical copper conductors in the cord he
buys? (c) Repeat part (b) assuming the power is to be at
least 532 W.
43. W Calculate the power delivered to each resistor in the circuit
shown in Figure P21.43.
2.00 N
18.0 V
3.00 2
1.00 Q
4.00 Q
Figure P21.43](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fc8854ffd-431b-44a2-b47e-daec534c3a26%2F69876c8e-e1c4-4f5a-abd7-2d87b261490e%2Foh1fd1dn_processed.jpeg&w=3840&q=75)
Transcribed Image Text:|Problems
735
maximum power that can safely be delivered to any one resis-
w tor is 25.0 W. (a) What is the maximum potential difference
that can be applied to the terminals a and b? (b) For the volt-
age determined in part (a), what is the power delivered to
each resistor? (c) What is the total power delivered to the
combination of resistors?
42. A young man owns a canister vacuum cleaner marked
"535 W [at] 120 V" and a Volkswagen Beetle, which he
wishes to clean. He parks the car in his apartment parking
lot and uses an inexpensive extension cord 15.0 m long to
plug in the vacuum cleaner. You may assume the cleaner has
1o constant resistance. (a) If the resistance of each of the two
ai conductors in the extension cord is 0.900 Q, what is the
Tomactual power delivered to the cleaner? (b) If instead
the power is to be at least 525 W, what must be the diameter
of each of two identical copper conductors in the cord he
buys? (c) Repeat part (b) assuming the power is to be at
least 532 W.
43. W Calculate the power delivered to each resistor in the circuit
shown in Figure P21.43.
2.00 N
18.0 V
3.00 2
1.00 Q
4.00 Q
Figure P21.43
![CHAP 21 (42)
A Young
man owns a canister vacuun mar ked "535 W [at]120V"and a
VelYswagen Beetle, which he wishes to clean. He parks the car in his
partment parking lot and uses an inexpensive extension Cord 15.m long
to plug
in the vacuium cleaner, You may assume the cleaner has constant
Tesistance, A)if the resistance of each of the two cConductors in the
extension cord is .900 2, what is' the actual power delivered to the cleaner.
B)lf instead the power is to be at least 525 W, what must be the diameter
of each of two identica ) copper conductors in the cord he buys? c) Repeat
part b) assuming the power is to be at least 532W.
P=IAV =
I?R=
(AV)?
エ= AV
R= .90052
12
R
P= 535 W
V= 120 V
I=P
AV
AV = RI
R = Av -
* CORD HAS TWO CONDUCTORS
A) P= IAY
2
P= (AV\
AV
120°
900?](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fc8854ffd-431b-44a2-b47e-daec534c3a26%2F69876c8e-e1c4-4f5a-abd7-2d87b261490e%2Fqadf46l_processed.jpeg&w=3840&q=75)
Transcribed Image Text:CHAP 21 (42)
A Young
man owns a canister vacuun mar ked "535 W [at]120V"and a
VelYswagen Beetle, which he wishes to clean. He parks the car in his
partment parking lot and uses an inexpensive extension Cord 15.m long
to plug
in the vacuium cleaner, You may assume the cleaner has constant
Tesistance, A)if the resistance of each of the two cConductors in the
extension cord is .900 2, what is' the actual power delivered to the cleaner.
B)lf instead the power is to be at least 525 W, what must be the diameter
of each of two identica ) copper conductors in the cord he buys? c) Repeat
part b) assuming the power is to be at least 532W.
P=IAV =
I?R=
(AV)?
エ= AV
R= .90052
12
R
P= 535 W
V= 120 V
I=P
AV
AV = RI
R = Av -
* CORD HAS TWO CONDUCTORS
A) P= IAY
2
P= (AV\
AV
120°
900?
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