Physics, 21.12.2020 19:00 jokihahorton510
It takes light 4 hours and 10 minutes to travel from the sun to the Planet Neptune. How far is Neptune from the sun?
a. 1.2 Γ 10^8 km
b. 4.5 Γ 10^9 km
c. 12 Γ 10^8 km
d. 45 Γ 10^9 km
Answers: 3
Physics, 21.06.2019 15:30
Which describe reflection? check all that apply. light bounces off a boundary.
Answers: 1
Physics, 21.06.2019 18:30
If a textbook weighs 37.2 n on venus, and the book has a mass of 4.4 kg, what is the strength of gravity on venus? 8.9 m/s28.9 m/si don't have enough information,9.8 m/s2
Answers: 1
Physics, 21.06.2019 23:30
Awoman stands a distance d from a loud motor that emits sound uniformly in all directions. the sound intensity at her position is an uncomfortable 2.0Γ10-3 w/m2. at a distance 2.6 times as far from the motor, what are (a) the sound intensity and (b) the sound intensity level relative to the threshold of hearing?
Answers: 1
Physics, 22.06.2019 09:00
In a heat engine if 1000 j of heat enters the system the piston does 500 j of work, what is the final internal energy of the system if the initial energy was 2000 j? 1. write the equation 2.list out your known variables 3.plug the numbers into the equations 4.solve 5.write your solution statement that includes initial energy and final
Answers: 1
It takes light 4 hours and 10 minutes to travel from the sun to the Planet Neptune. How far is Neptu...
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