Every isolated proton in the universe is surrounded by its own
A) electric field.
B) gravitational field.
C) both of these
D) neither of these
Answer: C
Physics & Space Science
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If the momentum of a ball is doubled, then the kinetic energy is
A. 0.5 times larger. B. 2 times larger. C. 3 times larger. D. 4 times larger. E. 5 times larger.
Physics & Space Science
Distant galaxies tend to be much bluer than those nearby
Indicate whether the statement is true or false
Physics & Space Science
A ball thrown upwards reaches a maximum height and then comes back down to the original level. At the peak of the motion the velocity and acceleration are both zero
Indicate whether the statement is true or false
Physics & Space Science
What is the usual symbol used to represent an amount of charge?
a. C c. e b. q d. none of the above
Physics & Space Science