Physics, 18.03.2021 03:10 Beltrand504
While hammering a nail, you put in 30 Joules of work. The hammer then puts out 10 J of
work on the nail. What is that hammer's efficiency?
A. 300%
B. 40%
С. 33%
D. 33 J
Answers: 3
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The items in the following list are all units of matter. which is the smallest unit that retains the properties of the matter? a.) atom b.) compound c.) electron d.) element
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What accounts for an increase in the temperature of a gas that is kept at constant volume? a. energy has been removed as heat from the gas. b. energy has been added as heat to the gas. c. energy has been removed as work done by the gas. d. energy has been added as work done by the gas.
Answers: 2
While hammering a nail, you put in 30 Joules of work. The hammer then puts out 10 J of
work on the...
Mathematics, 30.03.2020 16:14
Mathematics, 30.03.2020 16:14
Mathematics, 30.03.2020 16:14