Physics, 16.12.2019 15:31 SophieStar15
Aramp is often used to raise an object. if 90 joules of energy are needed to lift an object to a platform but 100 joules are used in rolling the object up the ramp, what is the efficiency of the ramp?
Answers: 1
Physics, 21.06.2019 19:30
The us government wants to allocate billions of dollars in the next 10 years to assure our future energy security. the funds will be spread among a variety of possible energy resources. where do you think the government should put the greatest support: solar energy, wind energy, clean coal, oil exploration, gas exploration, or a combination of sources? are there other efforts that should be explored? support your position with cited information for both questions.
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Physics, 22.06.2019 03:00
The respiratory system removes oxygen and water from the body. select the best answer from the choices provided t f
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Physics, 22.06.2019 11:30
This punnett square shows the cross between two pants. one parent has round seeds (rr). and the other parent has wrinkled seeds (rr) which best describes their offspring as shown in this cross?
Answers: 1
Physics, 22.06.2019 17:20
Properties seen when one one substance changes to another are known as properties
Answers: 1
Aramp is often used to raise an object. if 90 joules of energy are needed to lift an object to a pla...
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