An extension cord is used with an electric weed trimmer, Ask an Expert

Academics

An extension cord is used with an electric weed trimmer that has a resistance of 18.3 ?. The extension cord is made of copper (resistivity 1.72 x 10-8 ohm m) wire that has a cross-sectional area of 1.60 x 10-6 m2. The combined length of the two wires in the extension cord is 88.5 m.

(a) Determine the resistance of the extension cord.

(b) The extension cord is plugged into a 120-V socket. What voltage is applied to the trimmer itself?

View complete question

Physics, Academics

Category:- Physics
Reference No.:- M91068752

Have any Question?Write your Review or question?

Related Questions in Physics

Question a real image is four times as far from a lens as

Question: A real image is four times as far from a lens as is the object. What is the object distance, measured in focal lengths? The response must be typed, single spaced, must be in times new roman font (size 12) and m ...

Question youre the ceo of a courier company and you decide

Question: You're the CEO of a courier company, and you decide to select an electric car for your fleet of vehicles. A particular car has a mass of 1500 kg and is powered by 26 12-V batteries connected in series, for a to ...

Question ten days after it was launched toward mars in

Question: Ten days after it was launched toward Mars in December 1998, the Mars Climate Orbiter spacecraft (mass 629 kg) was 2.87x10^6 km from the earth and traveling at 1.20x10^4 km/hr relative to the earth. At this tim ...

Question your physics textbook is sliding to the right

Question: Your physics textbook is sliding to the right across the table. Part A Identify all forces acting on the object and draw a free-body diagram. Draw the vectors starting at the black dot. The location and orienta ...

Question an object is 40 cm in front of a concave mirror

Question: An object is 40 cm in front of a concave mirror with focal length of 20 cm. what is the postition of the image using ray tracing? The response must be typed, single spaced, must be in times new roman font (size ...

The ball was thrown from 190 m height building the initial

The ball was thrown from 19.0 m height building. The Initial velocity is 39.2 M/S and it creates 30 degree angel with the horizontal surface.. Find the Max height the ball can reach, range and velocity before it hits the ...

Question a person stands on a scale in an elevator as the

Question: A person stands on a scale in an elevator. As the elevator starts, the scale has a constant reading of 584 N. As the elevator later stops, the scale reading is 398 N. Assume the magnitude of the acceleration is ...

Questio a pump is required to lift a mass of 850 kg of

Questio: A pump is required to lift a mass of 850 kg of water per minute from a well of depth 13.8 m and eject it with a speed of 17.2 m/s. part A. How much work is done per minute in lifting the water? part B. How much ...

Question suppose the emf generated by a coil rotating in a

Question: Suppose the emf generated by a coil rotating in a magnetic field is zero at t=0, and increases to its first peak at t0=0.11ms. A) What is the angular velocity of the coil in rad/s? B) At what time (relative to ...

Question a standard 100 w 120 v lightbulb contains a

Question: A standard 100 W (120 V) lightbulb contains a 7.0-cm-long tungsten filament. The high-temperature resistivity of tungsten is 9.0 x 107m. What is the diameter of the filament? The response must be typed, single ...

4,153,160 Questions Asked
13,132 Experts
2,558,936 Questions Answered

Ask Experts for help!!

Looking for Assignment Help?

Start excelling in your Courses, Get help with Assignment

Write us your full requirement for evaluation and you will receive response within 20 minutes turnaround time.

Ask Now Help with Problems, Get a Best Answer

Recent Questions

Ask Physics Expert