Questions by Rui Costa

Questions by Rui Costa

How does light interact with leaves to begin the process of photosynthesis?

asked Oct 21, 2018

1 answer

3 votes

166k views

Kinetic energy and mass are____ proportional.

asked Jun 27, 2018

2 answers

2 votes

102k views

As of 2015, how many U.S. cents does it cost to make a penny?

asked Aug 7, 2017

1 answer

3 votes

232k views

Find the amount of the discount on a $234 item with a discount of 15% A. $35.01 B. $40.00 C. $23.40 D. $35.10

asked Jun 14, 2017

2 answers

5 votes

122k views

How long does it take an acorn to hit the ground after dropping from the branch of a tree 12.5 m high? Remember that g=9.8 m/s^2! 1.0 s, 5.0 s, 2.6 s, or 1.6 s **not sure about this!! :(

asked Apr 4, 2017

1 answer

5 votes

110k views

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