Eras are divided first into smaller time units called ______________
Fill in the blank(s) with correct word
periods
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When red and blue light pass through a prism which one bends more?
A. Depends on the material the prism is made of. B. There is no way to predict this. C. Red light D. Blue light
The more its central black hole was fed, the more likely the galaxy was to show up as a quasar
Indicate whether the statement is true or false
An electron (m = 9.11 × 10^-31 kg) has a speed of 0.50 c. Determine the difference between its relativistic kinetic energy and the kinetic energy calculated without considering relativity
a. 3.0 × 10^-15 J b. 2.0 × 10^-15 J c. 1.5 × 10^-15 J d. 2.4 × 10^-15 J e. 1.8 × 10^-15 J
Two masses m1 and m2, are separated by a distance r. The forces of attraction between the two masses is F.
a. if m1 is doubled, how does F change? b. if neither of the masses were changed, but r was doubled, how would F change? c. if r was not changed but both masses were doubled, how would F change? d. if r was halved and both masses were doubled, how would F change?