Physics, 10.05.2021 19:10, heavenmckissack21
What do you think the egg shell is made from? Why can you draw this conclusion?
Which materials reacted immediately with the acid? What did they have in common?
Which samples, if any, took more time to react with the acid? Why do you think they took more time?
Which samples, if any, did not react with the acid? Why do you think they did not react?
Why was it necessary to use a control?
Answers: 1
Physics, 22.06.2019 17:30, RegencySlayer5304
Alarge cruise ship of mass 7.00 ✕ 107 kg has a speed of 11.6 m/s at some instant. (a) what is the ship's kinetic energy at this time? (b) how much work is required to stop it? (give the work done on the ship. include the sign of the value in your answer.) (c) what is the magnitude of the constant force required to stop it as it undergoes a displacement of 3.00 km?
Answers: 2
Physics, 22.06.2019 18:30, ptrlvn01
Two 2.0-cm-diameter disks face each other, 1.0 mm apart. they are charged to ±10 nc. what is the electric field strength between the disks? a proton is shot from the negative disk toward the positive disk. what launch speed must the proton have to just barely reach the positive disk?
Answers: 1
What do you think the egg shell is made from? Why can you draw this conclusion?
Which materials re...
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