Physics, 26.02.2020 19:08 tiwaribianca475
What is a tree doing when it is growing from the energy it receives from the sun?
A: It’s is taking advantage of energy flowing from high to low
B: it is taking advantage of energy flowing from low to high
C: it is in violation of the law of the second law of thermodynamics
Answers: 1
Physics, 22.06.2019 07:10
Polly is pushing a box across the floor with a force of 30 n. the force of gravity is –8 n, and the normal force is 8 n. which value could describe the force of friction if polly could not move the box?
Answers: 2
Physics, 22.06.2019 08:30
A40.0 l tank of ammonia has a pressure of 12.7 kpa. calculate the. volume of the ammonia if it’s pressure is changed to 8.4 kpa while its temperature remains constant.
Answers: 3
Physics, 22.06.2019 13:30
The two stars in a certain binary star system move in circular orbits. the first star, alpha, has an orbital speed of 36 km/s. the second star, beta, has an orbital speed of 12 km/s. the orbital period is 137 d. a) what is the mass of the star alpha? b) what is the mass of the star beta?
Answers: 1
Physics, 22.06.2019 14:00
Ascientific blank must be testable and capable of being proven false?
Answers: 1
What is a tree doing when it is growing from the energy it receives from the sun?
A: It’...
A: It’...
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