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    In the absence of air resistance, a projectile launched at an angle of 15 o above the horizontal will have the same       range as a projectile launched at which of the following angles?                                                                             

2.5 kg and 3.0 kg mass are released 25 m above ground (neglect air resistance)  

I agree to uphold my school’s Academic Code of Integrity, which includes:Not receiving any assistance on this exam, including but not limited to the use of tutors or AI. Not using a calculator. Not using notes.

Using the picture below, answer the following questions: a) What is the full name of this chart? (1 marks) b) If you rubbed amber on teflon, what charge would each material have? (1 marks)  c) Explain thoroughly how you know which material gained which charge in question b. Use the chart below to help you in your explanation. (1 marks)  d) If you rubbed nylon on nylon, what charge would each piece generate? Describe why. (1 marks)

Which procedure will result in only the blue lightbulbs operating?

When flying to visit your family in Vancouver, you notice some small rods sticking out of the wing of the airplane you are on.What is the purpose of these structures?

You have learned that resistance in a wire changes with both the length and diameter of the wire. Which wire would offer the most resistance to an electrical current?

What happens when silk is rubbed on a glass rod?  

Which of the following statements about the transfer of a charge from one object to another is true?

A short circuit not only causes devices on the normal circuit to stop working, but it also presents a safety concern. What is this safety concern?