08-11-2019
Physics

contestada

What is the tension in a cord 5 m long if a mass of 2 kg is attached to it and is being spun around in a circle at a speed of 5 m/s?
40 N
10 N
30 N
20 N

Respuesta :

MathPhys MathPhys

08-11-2019

Answer:

10 N

Explanation:

∑F = ma

T = m v² / r

T = (2 kg) (5 m/s)² / (5 m)

T = 10 N

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