Answer:
(c) more than 500
Explanation:
Until 2019, more than 3000 planetary systems have been discovered that contain more than 4000 exoplanets, since some of these systems contain multiple planets. Most known extrasolar planets are gas giants equal to or more massive than the planet Jupiter, with orbits very close to its star.
Answer:19ohms
Explanation:
equivalent resistance=5+2+12
equivalent resistance=19ohms
While he is lifting the dumbell as the definition of work done = moving a mass through a distance = F x d
50km / 2.5 = 20 km per hour
