What is Resistance?

Hydrogen has three isotopes 1H 2H 3H what is the diffrence

A stretched string is 2.11 m long and has a mass of 19.5 g. When the string is oscillated at 440 Hz, which is the frequency of the standard A pitch that orchestras tune to, transverse waves with a wavelength of 16.1 cm travel along the string.

What are the two rolls of decomposers in an ecosystem

A roller coaster car travels up and down the hills of its track. Neglecting friction, the sum of its kinetic and potential energy A. equals the sum of the thermal energy generated by friction during the ride. B.

A substance that contains only one kind of matter is known as a (n)

A water pump draws about 9 A when connected to 240 V. What is the cost (with electrical energy at 13 cents per kWh) of running the pump for 16 h? (Give your answer in dollars)

On an appliance cord, what is the conductor and what is the insulator

A ceiling fan draws a current of 0.625 A and has a voltage of 120 V. The resistance of the ceiling fan, to the nearest whole number, is ___ Ω.

If an electrically neutral atom has 4 protons and 4 neutrons and it loses 2 electrons, what is its charge? A) positive 2 B) negative 2 C) neutral D) varies

In which atmospheric layer are almost all water-based clouds formed?