Rupel pushes a box 7.00 m by applying a 25.0-N horizontal force. What work does she do?
a. 3.57 J
b. 0.280 J
c. 175 J
d. –175.0 J
e. 25.0 J
c
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Which star is the closest if all have the same apparent brightness?
A. a temperature 6000 K main sequence star B. a red giant C. a temperature 10000 K main sequence star D. a main sequence star with a luminosity 100 times that of the Sun E. white dwarf
How many types of quarks are there, and how many types of antiquarks?
A.) 24 quarks and 24 antiquarks. B.) 12 quarks and 6 antiquarks. C.) 6 quarks and 6 antiquarks. D.) 3 quarks and 3 antiquarks. E.) 30 quarks and 0 antiquarks.
Which path correctly indicates the motion of the pendulum bob after the string is cut when the pendulum is at the bottom of its swing?
A. A
B. B
C. C
Jane drove her car from Columbus, Ohio to
Cleveland, Ohio. She traveled a total distance of 140 mi in 2.8 hours. Her average speed was a) 50 mi/h b) 0.02 mi/h c) 56 mi/h d) 350 mi/h