A body of mass 1 kg is pushed across a horizontal table by a force of 1 N. The observed acceleration is 0.7 m/s2. The force of friction opposing the motion is ________ N.
Fill in the blank(s) with the appropriate word(s).
0.3
.3
Physics & Space Science
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If the temperature of the bubble described in problem T7T.8 was 320 K when it formed, what is its approximate final temperature when it reaches the surface?
A. 40 K B. 80 K C. 320 K D. 1280 K E. 2560 K F. Other (specify)
Physics & Space Science
Galaxies contain 10 times as much dark matter as visible matter
a. True b. False Indicate whether the statement is true or false
Physics & Space Science
Study this H-R diagram. What is the spectral type of the star Sirius? (The red arrow helps you locate Sirius on the diagram.)
A) A B) 102 C) main sequence D) blue
Physics & Space Science
The universe was two minutes old when ________ started to form from deuterium fusion
Fill in the blank(s) with correct word
Physics & Space Science