Science: due in 5 minutes plz help me!
just in 2-5 sentences is ok Thank you!!!

Explanation:

When the sun rises every morning, it brings light and heat into earth. Plants need energy to live, so they convert the sun's light into chemical energy. (photosynthesis). Then animals eat those plants. Without the sun, we would not have any food, and very little sources of light.

what was the acceleration of the 2 kg cart?

⇒ 16.0 cm/s2

what was the acceleration of the 4 kg cart?

⇒ 8.1 cm/s2

what was the acceleration of the 6 kg cart?

⇒ 5.3 cm/s2

explanation:

v=uf/(u-f)

= 5.-10/(5+10) convex lens has negative focal length