Ansel places an object 30 cm from a thin, convex lens along the axis. If a real image forms at a distance of 15 cm from the lens, what is the focal length of the lens?

a. 15 cm
c. 7.5 cm
b. 10 cm
d. 30 cm


B

Physics & Space Science

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The creation of elements inside a star is called _______________

a. nucleosynthesis b. fission c. production d. transmutation

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One of the most important mechanical properties of metals is their capacity for ______________deformation.

Fill in the blank(s) with the appropriate word(s).

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A high tide is occurring at Charleston, South Carolina (45°W, 64°N). Which listed longitude is experiencing a low tide occurring?

a. 135°E b. 65°E c. 45°E d. 45°W e. 145°W

Physics & Space Science

A projectile leaves the ground at 150 m/s and reaches a maximum height of 0.57 km. If there was no air resistance, at what angle above the horizontal did it leave the ground?

What will be an ideal response?

Physics & Space Science