andrewjewell2005
07.05.2021 •
Physics
A stone tied to the end of a string of length 2.0 m is whirled in a circle at constant speed v. What is the speed if it speed is moves through an angle of 1.57 radians in a time of 0.40 seconds?
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Ответ:
D. Position
Explanation:
10 m/s to the north means that an object is moving to the north and it doesn't matter neither the time nor the velocity.
This statement is just telling us the direction in which this object is moving.