answersLogoWhite

0

A 1984 penny is made of 97.5% zinc and 2.5% copper. Since 1982, the composition of pennies in the United States changed to primarily zinc with a thin copper coating.

User Avatar

AnswerBot

2y ago

What else can I help you with?

Related Questions
Trending Questions
What is the difference between an absolute threshold and a just noticeable difference? Why does the same side of the moon always face Earth? How do you know if your physic or not? How do you get brush to spin on Dyson vacuum? Why oil and grease and not water is used in machines as lubricant? How much time would it take for the sound of thunder to travel 2000 meters if sound travels a speed of 330 meters per second? How does energy undergo variation in an oscillating pendulum? Do you convert 2 kmol to kg? How unequel heating effects tornadoes? What Color of light absorbed by a blue object? What is the principle of the gas thermometer? What is the difference between sleep and asleep? What is the significance of the keyword "wfxd" in the context of physics and how does it relate to the concept of work being done? What is a measure of a material s ability to transmit fluids through interconnected pore spaces? What is the movement of people one place to another? A ball rolls off the end of a table with a speed of 2 mpers It hits the ground after 3 s If the tableop is 1 m from the floor what was the horizontal distance from the end of the table traveled by? Solar radiation that is not reflected is absorbed by what? How would one convert 15 seconds in to hours? How does Newton's third law of motion, which states that for every action there is an equal and opposite reaction, impact the movement of objects in the physical world? Why does an iceberg float in the ocean?