Unlike spherical mirrors, spherical lenses do not have a focal length equal to ______________
Fill in the blank(s) with correct word
R/2
Physics & Space Science
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An athlete can perform a certain number of pushups. The same athlete scaled up in size can do
A) fewer pushups. B) the same number of pushups. C) more pushups.
Physics & Space Science
You toss a ball to your friend. When the ball reaches its maximum altitude, its velocity is
A) zero. B) horizontal. C) 9.8 m/s2. D) vertical. E) 9.8 m/s.
Physics & Space Science
An iron barge 25. m long and 4.0 m wide has a mass of 100,000.kg. What minimum depth of water is needed to float it?
What will be an ideal response?
Physics & Space Science
Which of the following is a true "wave," as physicists define the term?
A) light B) water flowing downhill in a mountain stream C) ocean waves coming into a beach D) None of the above. E) All of the above.
Physics & Space Science