The following four forces act on a 4.00 kg object: F1 = 300 N east F2 = 700 N north F3 = 500 N west F4 = 600 N south What is the acceleration of the object?
A) 224 N in a direction 63.4° north of west
B) 300 N in a direction 63.4° north of west
C) 300 N in a direction 26.6° north of west
D) 224 N in a direction 26.6° north of west
E) 2100 N in a direction 26.6° north of west
D
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A solar eclipse that occurs when the Moon's umbra does not reach Earth's surface is called
a. a total solar eclipse. b. a partial solar eclipse. c. an annular solar eclipse. d. a penumbral solar eclipse. e. an umbral solar eclipse.
The temperature of boiling water is
A) 100°C. B) 212°F. C) both of these
A curved mirror that produces an enlarged image will also have a greater field of view than a plane mirror
a. True b. False Indicate whether the statement is true or false
A convex mirror with focal length of –16.2 cm forms an image 11.7 cm behind the surface. Where is the object located as measured from the surface?
a. 22.2 cm b. 4.50 cm c. 6.79 cm d. 42.1 cm e. 11.7 cm