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Question1

What is speed of a car going v = 1mph in SI units? Observe that you will require changing from miles to meters and from hours to seconds. You can do each conversion individually. Utilize the facts that 1 mile = 1609m and 1hour = 3600s.

Question2

A slide projector needs to make a 99 cm high image of a 2.0 cm tall slide. The screen is 260 cm from the slide. Imagine that it is a thin lens. What focal length does the lens require?

Question3

A 27 pound meteorite struck a car, leaving a dent 27 cm deep in the trunk. If meteorite struck the car with a speed of 620 m/s, what was the magnitude of its deceleration, assume it to be constant?

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