An object 50-cm high is placed 1.0 m in front of a converging lens whose focal length is 1.5 m. Determine the image height (in cm)
a. 77
b. 150
c. 52
d. 17
e. 83
b
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Austenitic stainless steel has the _________-centered-cubic crystal structure at room temperature.
Fill in the blank(s) with the appropriate word(s).
Three 2.50-?C charges are placed on tiny conducting spheres at the ends of 1.00 m-long strings that are connected at 120° angles as shown below. The magnitude, in N, of the tension in any one of the strings is
?
?
A. 1.88 × 10?2. B. 3.25 × 10?2. C. 3.75 × 10?2. D. 6.50 × 10?2. E. 7.50 × 10?2.
The following data refer to a car traveling west: t (s) 0 1 2 3 4 -------------------------- v (m/s) 30 25 20 15 10 Find the magnitude and direction of the acceleration
A hunter aims a rifle at an angle of 10° above the horizontal. The hunter fires a bullet while simultaneously dropping another bullet from the side of the rifle. The bullet to hit the ground first is
A) the dropped one. B) the fired one. C) both hit at the same time