Inertia: tendency of an object to resist changes in its velocity. An object at rest has zero velocity - and (in the absence of an unbalanced force) will remain with a zero velocity. Such an object will not change its state of motion (i.e., velocity) unless acted upon by an unbalanced force.
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Answer:
a. Rods are about 1000 times more sensitive than cones.
Explanation:
The answer choice shown is a direct copy of the first line of the problem statement. It doesn't appear to be any more complicated than that. (It's a reading comprehension question.)
Answer:
Explanation:
Given:
force applied,
displacement caused,
<u>Work done by the force on the cart:</u>
Negative work means that the force and displacement have an obtuse angle between them.
The shadow would subsequently drop the temperature in the city, forcing warmer air to rush in and violently destroy countless buildings. There would also be “black rain,” which would be the radioactive ash and dust that would liquify and pour down on the city and we would all die.