Which of the following research questions would be the most appropriate selection for a student studying space exploration?
O A. Is space travel the future of human kind?
OB. What potential resources could be gained from the rise of asteroid mining?
OC. Should we stop funding NASA?
D. Have we been visited by aliens?

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

the answer is neither ball has a charge.

because if they were both positively charged, they will repel each other.

if they were positively and negatively charged, they will seek.

the answer is 3.1 his answer is wrong mines is right