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A car's wheel has a rotational inertia of 2.0\,\text {kg} \cdot \text m^22.0kg⋅m 2 2, point, 0, start text, k, g, end text, dot, start text, m, end text, squared. The wheel initially has a counterclockwise angular speed of 6.0\,\dfrac{\text {rad}}{\text s}6.0 s rad ​ 6, point, 0, start fraction, start text, r, a, d, end text, divided by, start text, s, end text, end fraction, but has a constant clockwise torque of 15 \,\text N \cdot \text m15N⋅m15, start text, N, end text, dot, start text, m, end text applied for 4.0\,\text s4.0s4, point, 0, start text, s, end text.

2 Answers

8 votes

Answer:

6.0

Step-by-step explanation:

If this is the problem on Khan Academy, I had done this and this was the correct answer.

User Niboshi
by
3.8k points
4 votes

Answer:

-48

Step-by-step explanation:

User Mkaj
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3.5k points