Skip to main content

Computer Science

A
Anonymous

Oct 17, 2024

a 120V general purpose circuit should have circuit breakers or fuses with values of?

What are the appropriate circuit breaker or fuse ratings for a 120V general-purpose circuit? Should they be rated at 15A, 20A, 50A, 100A, or 120/240A?
9 answers 29
A
Anonymous

Dec 10, 2024

A 1500 W electric heater is plugged into the outlet of a 120 V circuit that has a 20 A circuit breaker.?

You plugged a 1500 W electric heater into a 120 V outlet, which is protected by a 20 A circuit breaker. Additionally, you connected an electric hair dryer with power settings of 600 W, 900 W, 1200 W,...
1 answers 54
A
Anonymous

Nov 18, 2024

A 20.0μF capacitor initially charged to 30.0μC is discharged through a 1.40kΩ resistor. How long does it take?

A 20.0 μF capacitor, initially charged to 30.0 μC, is discharged through a 1.40 kΩ resistor. How long will it take for the capacitor's charge to decrease to 3.00 μC? Please provide your answer in mill...
1 answers 35
A
Anonymous

Dec 08, 2024

A __________ headlight lens can cut the amount of light it emits by 90%.?

What type of headlight lens can reduce the amount of light it emits by 90%?
3 answers 17
T
Trever Pacocha

Oct 10, 2024

A conveyor belt carries supplies from the first floor to the second

A conveyor belt transports supplies from the first floor to the second floor, which is 12 feet higher. The belt makes a 60-degree angle with the ground. How far do the supplies travel from one end of...
2 answers 35
A
Anonymous

Jan 16, 2025

A crane lifts the 15000 kg steel hull of a ship out of the water. (a) Determine the tension in the crane’s cable when the hull is submerged?

A crane is lifting the 15,000 kg steel hull of a ship out of the water. (a) What is the tension in the crane’s cable when the hull is submerged in the water? (b) What is the tension in the cable when...
1 answers 33
L
Lisandro Robel

Nov 12, 2024

A device called oscilloscope can be used to demonstrate

An oscilloscope is a device that can be used to demonstrate and analyze electrical signals by visualizing their waveforms. How does an oscilloscope function, and what are some practical applications o...
8 answers 59
E
Emelia Hegmann II

Oct 21, 2024

A freezer has a coefficient of performance of 6.30. The freezer is advertised as using 466 kW-h/yr?

A freezer has a coefficient of performance (COP) of 6.30 and is advertised as using 466 kWh per year. Note: One kilowatt-hour (kWh) represents the amount of energy consumed by a 1-kW appliance operat...
1 answers 53
A
Anonymous

Oct 17, 2024

A hand exerciser utilizes a coiled spring?

Determine the force needed to compress the spring by 0.0508 m if a force of 89.0 N is required to compress the spring by 0.0191 m.
3 answers 19
A
Anonymous

Nov 23, 2024

A question for bike riders, How come the back wheel is always following the front one, Is that odd or what. ?

Have you ever noticed how the rear wheel of a bike seems to follow the front wheel closely? Why does this happen, and is it something unusual? I'd love to hear your thoughts and insights on this!
3 answers 54