The resultant force vector R (in newtons) is:
Bracket ADO is acted on by forces F and T and couple M (see figure). Assume that F 5 8 N, T 5 9 N and
M 5 12 N?m. Joint coordinates are in meters.
(A) -5i + 7j + 1k
(B) -3i + 4j - 3k
(C) -6i + 5j + 4k
(D) -3i + 6j + 2k
(D) -3i + 6j + 2k
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A baseball thrown from the outfield is released from shoulder height at an initial velocity of 28.3 m/s at an initial angle of 30.0° with respect to the horizontal. If it is in its trajectory for a total of 4.00 s before being caught by the third baseman at an equal shoulder-height level, what is the ball's net vertical displacement during its 4.00-s trajectory?
a. 98.0 m b. 9.80 m c. 10.2 m d. zero e. 20.4 m
The only probe into the atmospheres of any jovian planet was launched by
A) Voyager 2 into Titan's atmosphere. B) Huygens into Saturn's equatorial belt. C) Cassini into Saturn's clouds. D) Pathfinder into Mars' atmosphere. E) Galileo into Jupiter's equatorial zone.
A compound microscope consists of an objective lens of focal length f0 and an eyepiece that by itself produces an angular magnification 25.0
The microscope is designed so that the object to be viewed is on the left side of the objective lens and is focused in a plane that is 28.00 cm away from the right-hand (or inside) focal point of the objective lens. When properly adjusted, the eyepiece and the objective lens are 29.90 cm apart. The eyepiece magnification is based on an image at infinity and a near point at 25.0 cm. What is f0?
Magnifying Glass With the Image at the Near Point of the Eye: Consider a magnifying glass with a power of 3.0 diopters.(a) What is the maximum angular magnification for a person with a near point at 25 cm?(b) What is the angular magnification when viewing with a relaxed eye?
Fill in the blank(s) with the appropriate word(s).