When two galaxies collide, they pass through each other and their stars almost never collide
Indicate whether the statement is true or false
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A major league pitcher is recorded as having thrown a 105 mph fastball. What is the speed of the pitch in m/s? One mile is equivalent to 1609m.
A. 15 m/s B. 235 m/s C. 47 m/s D. 34 m/s
Explain Occam's Razor
What will be an ideal response?
The International Space Station is orbiting at an altitude of about 370 km above the earth's surface. The mass of the earth is 5.976 × 1024 kg and the radius of the earth is 6.378 × 106 m
(a) Assuming a circular orbit, what is the period of the International Space Station's orbit? (b) Assuming a circular orbit, what is the speed of the International Space Station in its orbit?
If the universe is accelerating, it will expand forever
Indicate whether the statement is true or false