Earth is trying to fall into the sun but it keeps on missing it. why?
What will be an ideal response?
because the earth had a side ways velocity
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Why couldn't Newton determine the value of the gravitational constant?
a. The constant was too large to measure with existing instruments. b. The constant was too small to measure with existing instruments. c. If the gravitational constant were known, the mass of Earth could be calculated. d. Although Newton believed there was a constant, no one has ever discovered one. e. Although the right equipment and techniques for this measurement existed, Newton did not have access to them.
Why won't Pluto collide with Neptune?
What will be an ideal response?
As monochromatic light passes from air to glass and back to air, changes occur in its
A) wavelength. B) speed. C) both of these D) neither of these
An induced emf is produced in a loop or complete circuit whenever the number of magnetic field lines passing through the plane of the loop or circuit changes
Indicate whether the statement is true or false