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

Physics & Space Science

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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

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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

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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.

Physics & Space Science

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

Physics & Space Science