Physics, 14.02.2020 19:19 faizanaj3978
The apparent visual magnitude of a star is 7.3. This tells us that the star is .
(A) one of the brighter stars in the sky.
(B) not visible to the unaided eye.
(C) bright enough that it would be visible even during the day.
(D) very close to Earth.
Answers: 1
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After a car's engine has been running for a while, if you stand near the car's engine you can often feel heat coming from the engine as a result of a. radiation b. convection c. conduction
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In order of decreasing light-transmitting capabilities of materials, which is the correct sequence? a. transparent -> translucent -> opaque b. opaque -> transparent -> translucent c. opaque -> translucent -> transparent d. translucent -> transparent -> opaque
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Identify the correct relation showing that the radius r of the orbit of a moon of a given planet can be determined from the radius r of the planet, the acceleration of gravity at the surface of the planet, and the time τ required by the moon to complete one full revolution about the planet. determine the acceleration of gravity at the surface of the planet jupiter knowing that r = 71 492 km and that t= 3.551 days and r= 670.9 × 10^3 km for its moon europa.
Answers: 2
The apparent visual magnitude of a star is 7.3. This tells us that the star is .
(A) one...
(A) one...
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