Which illustrates the first law of thermodynamics?
a) a bicycle pump gets warm when use...
Physics, 29.09.2019 06:00 shanedietz44ovi6rb
Which illustrates the first law of thermodynamics?
a) a bicycle pump gets warm when used.
b) stoves radiate energy into a room.
c) absolute zero cannot be reached.
d) a refrigerator makes objects colder.
Answers: 2
Physics, 22.06.2019 03:00
1. a net force of 100 newton’s is applied to a wagon for 5 seconds. this causes the wagon to undergo a change in momentum of
Answers: 2
Physics, 22.06.2019 05:30
Mutt and jeff are running along a path each pushing a cart loaded with rocks. if mutt's wagon has a mass two times greater than jeff's and they want to stay together, arriving at their destination at the same time, what must happen? a) jeff should slow down so mutt can catch up. b) mutt must use half as much force to push his cart. c) mutt must use twice as much force to push his cart. d) mutt and jeff will use the same force, but mutt will take bigger steps.
Answers: 1
Physics, 22.06.2019 08:30
Researchers determine that the biodiversity in a woodland region is declining. they identify two major threats to the region's biodiversity, a method to address each threat, and the expected outcome of each method. this information is shown in the table. a) reforestation would not benefit many species because most forest species live on the ground. b) reforestation would take the longest time to be effective because trees take several years to grow. c) biological augmentation would benefit only a few species because is is typically not very effective. d) biological augmentation would take less time to ve effective because it targets the majority of prey species.
Answers: 3
Physics, 22.06.2019 23:40
What is the magnitude of the gravitational force acting on the earth due to the sun?
Answers: 1
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