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andrezito [222]
3 years ago
13

Which term describes a test that scientist use to answer a question?

Physics
1 answer:
antoniya [11.8K]3 years ago
8 0
The scientific method?
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The correct answer is D,

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A wheel has a rotational inertia of 16 kgm2. Over an interval of 2.0 s its angular velocity increases from 7.0 rad/s to 9.0 rad/
german

Answer:

<h2>128.61 Watts</h2>

Explanation:

Average power done by the torque is expressed as the ratio of the workdone by the toque to time.

Power = Workdone by torque/time

Workdone by the torque = \tau \theta = I\alpha * \theta

I is the rotational inertia = 16kgm²

\theta = angular\ displacement

\theta = 2 rev = 12.56 rad

\alpha \ is \ the\ angular\ acceleration

To get the angular acceleration, we will use the formula;

\alpha = \frac{\omega_f^2- \omega_i^2}{2\theta}

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Workdone by the torque = 16 * 1.28 * 12.56

Workdone by the torque = 257.23 Joules

Average power done by the torque = Workdone by torque/time

=  257.23/2.0

= 128.61 Watts

8 0
3 years ago
The unit used to measure electric current is the ampere (A). Now, assume that the current delivered at a wall socket reaches the
pav-90 [236]

Answer:

T = 0.017s

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period is the time it takes a particle to make one oscillation

An electric current is periodic in nature

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So there must have been 10 cycles (10 periods) in 0.17s.   let 'T'  be the period:

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T=\frac{0.17}{10}

10T = 0.17

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Is Mars a gas planet or a rocky planet?
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By plotting the locations of earthquakes

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