Technician A says heavy-duty and regular coil springs have the same wire diameter. Technician B says a heavy-duty coil spring has a shorter free height than a regular-duty coil spring. Who is correct?

A. A only
B. B only
C. Both A and B
D. Neither A nor B


Answer: B

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Read the setting on the vernier scale in the accompanying figure.

What will be an ideal response?

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What will be an ideal response?

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Overpopulation has led to many dogs and cats being destroyed

Indicate whether the statement is true or false

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A battery with the ability to produce 5 amperes of current for 20 hours would have a rating of ____ amp-hours.

a. 4 b. 25 c. 100 d. 520

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