Is air travel time the same whether or not the plane is flying with or against the rotation of the earth?

538

---

What is meant by 4th dimension?

557

---

How do you calculate shaft power?

539

---

What is the measure of the force of gravity on an object?

527

---

What is the longest lasting synthetic periodic element?

617

---

What is the law of machines?

576

---

How much does sea salt weigh per cubic foot?

554

---

How do you convert from pascal to torr?

570

---

Is a sewing needle magnetic or non magnetic?

619

---

Why have the electron and the proton the same charge whereas the proton is 1836 times heavier?

606

---

Does weight affect how far you jump?

569

---

What are wave fronts?

583

---

What are the three particles that make up an atom?

528

---

What are the steps to the scientific notation?

552

---

What happens when you travel across the dateline?

518

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