If a spaceship of proper length 40 m is measured to have a length 30 m, how fast is it moving?
A. 0.50 c
B. 0.81 c
C. 0.75 c
D. 0.66 c
E. 0.43 c
D. 0.66 c
Physics & Space Science
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Boiling water burns are less damaging than steam burns because boiling water
A) doesn't condense and release additional energy. B) has less energy per kilogram than steam. C) both of these D) none of the above
Physics & Space Science
A student adds two displacement vectors that have the magnitudes of 12.0 m and 5.0 m. What is the range of possible answers for the magnitude of the resultant vector?
What will be an ideal response?
Physics & Space Science
The gas in an HII region is ________ hydrogen
Fill in the blank(s) with correct word
Physics & Space Science
Power: When 5.00 A is flowing through an 10.0-? device, how much power is being dissipated in the device?
A. 50.0 W B. 250 W C. 500 W D. 2.50 kW
Physics & Space Science