Physics, 26.08.2019 20:00 jonmorton159
Select the correct answer. which category of materials does concrete belong to and why? a. it’s a synthetic polymer because it’s a product of a chemical reaction. b. it’s an alloy because it contains layers of different components. c. it’s a ceramic because it contains substances such as sand and clay. d. it’s a composite because it’s a mixture of cement, sand, and other granular pieces.
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How does the amount of energy required to hold each proton and neutron in the nucleus compare to the energy released when they are removed?
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As a pendulum bob swings back and forth several times, the maximum height it reaches becomes less and less. this is because more and more of the pendulum bob's energy is being transformed into a. heat energy b. kinetic energy c. potential energy d. kinetic energy and potential energy
Answers: 2
Select the correct answer. which category of materials does concrete belong to and why? a. it’s a s...
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