One major advantage of alternating current over direct current is that you can use alternating current with a device known as a

transformer. The reason why alternating current works in transformers but direct current does not is?

A 70 watt light bulb is run by a 120 v circuit. how many amps does it use

What is the equivalent resistance of a series circuit with the following resistors: 10 ohms, 35 ohms, and 150 ohms?

How fast must an object move before its length appears to be contracted to one-fourth its proper length?

A car has an initial velocity of 11.2 m / sec. the car accelerates at 10.0 m / s2 for 8.0 seconds. what is the velocity of the car at the end of the 8.0 seconds?

Which parameter of glass is measured with a hot stge microscope

Basic of Archimedes's principle of how fluid can make body to float and sink.

A bullet is accelerated down the barrel of a gun by hot gases produced in the combustion of gun powder. What is the average force (in N) exerted on a 0.0500 kg bullet to accelerate it to a speed of 625 m/s in a time of 1.10 ms (milliseconds)

Your boss at the Cut-Rate Cuckoo Clock Company wants to save money on materials. You are asked to reduce the balance wheel, which is cylindrical, dimensions to one-third their original values.

Which of the following conditions is not necessary to observe an interference pattern between two sets of waves? A) The waves must have the same wavelength. B) The waves must have a constant phase difference.

Calculate the change in velocity of 70 kg object being pulled with 1000N force force 10 s