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MakcuM [25]
3 years ago
13

Mac and Tosh are arguing in the cafeteria. Mac says that if he flings the Jell-O with a greater speed it will have a greater ine

rtia. Tosh argues that inertia does not depend upon speed, but rather upon mass. Who do you agree with? Explain why.
Physics
1 answer:
Verdich [7]3 years ago
3 0

Based on their discussion, tosh' idea is right. because intertia does not depends on speed rather upon mass. The more mass an object has the more inertia it has. If an object is heavy, it has a tendency to remain steady and will not be moving.

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A CD has an initial angular speed of 600 rpm. If the disc stop rotating after 4 seconds, what is its angular acceleration?
Elza [17]

Answer:

-15.708 rad/s^2

Explanation:

First, let us covert everything to the same unit. For me, I find dealing with radians/sec more intuitive, but you can solve it in rpm. We are told that the initial angular speed is 600 rpm and after 4 seconds it stops. Let's convert 600 rpm into radians/sec. To do this, multiply by 2*pi/60. This gives 62.83 rad/s. Now let's review our info:

\omega_i = 600rpm = 62.83rad/s\\\omega_f = 0\\t = 4s\\\alpha = ?

Now we look up angular kinematics equations and the equation that has these parameters is

\omega=\omega_0+\alpha t

Substitute our values in:

\omega=\omega_0+\alpha t\\0=62.83\frac{rad}{s}+\alpha *(4s)\\\alpha = -15.708\frac{rad}{s^2}

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3 years ago
Mike drives his car 60 km in 55 minutes. What is the<br> average speed?
finlep [7]

Answer:

0.0050m/s

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You see the moon rising, just as the sun is setting. What phase is the moon in?.
Readme [11.4K]

Answer:

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a bucket of mass 1.90 kg is whirled in a vertical circle of radius 1.45 m . at the lowest point of its motion the tension in the
NeTakaya

The speed of the bucket is v = 4.61 m/sec

For the free body diagram, and apply Newton's second law:

T - mg = m(v2/r)

Plug in known values,

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What is motion?

Motion is  the change of position or direction of a body over time. Movement along a line or curve is called a translation. Movement that changes the direction of the body is called rotation. In both cases, all points on the body have the same speed (directional speed) and the same acceleration (time rate of change of speed). The most common motion combines both translation and rotation.

There are 6 types of motion

  • Oscillatory Motion.
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  • Periodic Motion.
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To learn more about motion, refer;

brainly.com/question/3421105

#SPJ4

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1 year ago
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