An interferometer consists of maximum of two telescopes connected to each other
Indicate whether the statement is true or false
False
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Planets would crash into the Sun if it weren't for
A) their tangential velocities. B) their vast distances from the Sun. C) the inverse-square law. D) their relatively small masses. E) the fact that they are beyond the main gravitation of the Sun.
On a muggy day, water molecules in the air that strike our bodies
A) transfer some of their kinetic energy to us. B) gain kinetic energy as they change phase. C) form an insulating layer on our bodies.
How can a star's blackbody spectrum be used to determine the temperature of a star?
What will be an ideal response?
The electric field created by a moving negative charge
A. describes concentric circles about the direction of motion. B. points in the direction opposite to the velocity. C. points in the direction of motion. D. points away from the charge. E. points toward the charge.