Irregular galaxies, although small, have large H II regions and much on-going star formation for their size
Indicate whether the statement is true or false
TRUE
Physics & Space Science
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When a ball undergoes a one-dimensional elastic collision with a wall, the velocity of the ball is reversed, while the wall remains stationary. Explain why this does not violate conservation of momentum
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Physics & Space Science
The surface gravity of Mars is 3.7 m/s2. If a person with mass of 100 kg were parachuting on Mars, what would be the force exerted by air resistance at terminal velocity?
A. 100 N B. 370 N C. 490 N D. 980 N
Physics & Space Science
What is the audible range of sound frequencies?
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Physics & Space Science
You can increase the internal energy of a gas by heating it or by compressing it
Indicate whether the statement is true or false
Physics & Space Science