Spherical Mirrors: An object is 5.7 cm from a spherical concave mirror. If the image is 4.7 cm tall and 10 cm from the mirror, how tall is the object?
A. 12 cm
B. 11 cm
C. 8.2 cm
D. 2.7 cm
Answer: D
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When a body moves in circular motion at constant speed, the velocity and acceleration point __________
Fill in the blank(s) with correct word
Which of the following questions are NOT addressed during the publishing and maintaining web design phase?
A. Who updates the content? B. What size limits exist for the website? C. Will you host the website on an internal web server or will you contract with an external vendor? D. How will you ensure your website navigation is both user-controlled and user-based?
The presence of a magnetic field is a good indication that
A) the Earth's interior is similar to Mercury's, as both have fields. B) a huge iron meteorite lies somewhere high up in the mantle, not in the core. C) the Earth has a liquid metal outer core, spinning rapidly as it rotates. D) the Earth's interior has had time to solidify, with a rigid bar magnet created. E) the Earth's interior must be completely molten to the center.
Mantle material behaves like a gas
a. True b. False Indicate whether the statement is true or false