What is an example of an electron source?

Battery

Lead Wire

Light Bulb

A yellow ball with a mass of 2 kg is rolling across the floor at 3 m/s. A red ball with a mass of 3 kg is rolling across the sam floor at 3 m/s. Which ball has a greater kinetic energy, and why?

A heterozygous orange tiger is crossed with a homozygous orange tiger, white is recessive

Two ladders of uniform density and equal mass m are propped up against each other at angles from the frictionless ground. A rope of tension T connects the two horizontally a distance / from the center of each ladder. Each ladder is of length L.

A hydraulic machine can be used to lift extremely heavy objects. why is the fluid in the hydraulic machine a liquid rather than a gas?

Steel is a mixture of iron and carbon. It can be separated into iron and carbon by melting it. What is steel? A. A compound B. An element C. A molecule D. An alloy

Which type of reaction will for a chemical bonded combination

What kind of change is salt dissolving in water

Which of these is the most effective way for manny to cool down after kickboxing? start static stretches to increase his flexibility walk around to lower his heart rate sit and catch his breath to avoid light-headedness run one to three miles to

One of the driving forces of plate motion is: A. volcanic eruptions along coastlines B. meteor impacts in the ocean basins C. convection currents in the mantle D. hot liquid magma in the inner core

Which element is required for the combustion of fossil fuels? nitrogen hydrogen oxygen carbon