natalie2sheffield
08.05.2021 •
Physics
A centripetal force of 250 N is exerted on a 2.2 kg discus as it rotates uniformly in a horizontal circle of radius 0.85 m. Calculate the speed of the discus in both m/s and rotations per minute?
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Ответ:
133m/s
Explanation:
b/c 250÷2.2÷0.85=133
Ответ:
The net force is the combined force of all individual forces acting on an object. Newton's First Law can be seen to be the special case in the Second Law when F, the net force, is zero. When that happens, the acceleration a must also be zero.