When a green colored object is illuminated by a green light it will appear as what color to the human eye?

956

---

What is the difference between a lens and a mirror?

1110

---

When gravity is the only force acting on an object the object is in what?

1122

---

Which way do twin screw props on a boat rotate when propelling the boat forward?

930

---

A car traveling at 30mph ( =13.4 m/s) & it slams on its brakes. ( The car is decelerated by the force of the friction 0.7..f *distance x. (Weight=mg) how far will the cargo before it stops?

883

---

What does hull speed mean?

1162

---

This person established the one fluid theory of electricity and performed some of the first investigations into electrical grounding and insulation:

961

---

What is a positron?

1062

---

Does solar radiation contain a complete spectrum of all forms of electromagnetic radiation?

939

---

How do you magnetize metal?

1054

---

What is geocentric?

1076

---

Does a soccer ball go faster in the air on a cold or hot day?

1009

---

how many neutrons and how many protons are present in a single deuterium nucleus?

1073

---

Why do you not collapse under the pressure created by the atmosphere?

1058

---

How is nuclear fission different from nuclear fusion?

1064

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