Physics, 11.11.2020 04:00 Lilbre9444
Alex used to spend two hours a day playing video games after school. He has replaced one of the video game playing hours with an hour of running. What do you predict will be a result of this change? (3 points)
A decrease in his appetite and an increase in his energy level
An increase in his energy level and an increase in his stamina
An decrease in his energy level and decrease in his appetite
A decrease in his stamina and a decrease in his energy level
Answers: 1
Physics, 22.06.2019 06:00
An object moves from position +34m to the position -15m in 15 seconds. what is the total displacement? what is the total velocity?
Answers: 3
Physics, 22.06.2019 12:50
Air is contained in a variable-load piston-cylinder device equipped with a paddle wheel. initially, air is at 400 kpa and 17°c. the paddle wheel is now turned by an external electric motor until 75 kj/kg of work has been transferred to air. during this process, heat is transferred to maintain a constant air temperature while allowing the gas volume to triple. calculate the required amount of heat transfer in kj/kg.
Answers: 2
Physics, 22.06.2019 15:50
The california mussel (mytilus californianus) attaches itself to a rock or other solid surface with a bundle of filaments known as the byssus. imagine that 15.0 j of work is done to stretch the distal end of the byssus. it releases 10.8 j of thermal energy as it relaxes. what is the resilience of the distal end of the byssus?
Answers: 2
Physics, 23.06.2019 02:00
How is an electron dot structure used to represent a covalent bond?
Answers: 2
Alex used to spend two hours a day playing video games after school. He has replaced one of the vide...
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