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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One of the most important mechanical properties of metals is their capacity for ______________deformation.
Fill in the blank(s) with the appropriate word(s).
Physics & Space Science
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
The creation of elements inside a star is called _______________
a. nucleosynthesis b. fission c. production d. transmutation
Physics & Space Science