2 years ago

Where is the centre of mass of a uniform cube located?

Physics

1 answer:

Stella [2.4K]2 years ago

8 0

Answer:

NICE QUESTION

Explanation:

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He was moving at 31 m/s

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A 65-kg person walks from the ground to the roof of a 100 m tall building. How much gravitational potential energy does she have

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3 years ago

The parking brake on a 1200kg automobile has broken, and the vehicle has reached a momentum of 7800kg.M/s. What is the velocity

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v=p/m

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3 years ago

A tuning fork labeled 392 Hz has the tip of each of its two prongsvibrating with an amplitude of 0.600mma) What is the maximum s

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a) 1.48 m/s

The tuning fork is moving by simple harmonic motion: so, the maximum speed of the tip of the prong is related to the frequency and the amplitude by

$v_{max}=\omega A$

where

$v_{max}$ is the maximum speed

$\omega$ is the angular frequency

A is the amplitude

For the tuning fork in the problem, we have

$\omega=2\pi f=2 \pi(392 Hz)=2462 rad/s$ , where f is the frequency

$A=0.600 mm=6\cdot 10^{-4} m$ is the amplitude

Therefore, the maximum speed is

$v_{max}=(2462 rad/s)(6\cdot 10^{-4}m)=1.48 m/s$

b) $3.0\cdot 10^{-5} J$

The fly's maximum kinetic energy is given by

$K=\frac{1}{2}mv_{max}^2$

where

$m=0.0270 g=2.7\cdot 10^{-5} kg$ is the mass of the fly

$v_{max}=1.48 m/s$ is the maximum speed

Substituting into the equation, we find

$K=\frac{1}{2}(2.7\cdot 10^{-5}kg)(1.48 m/s)^2=3.0\cdot 10^{-5} J$

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3 years ago

One reason why display rules differ across cultures is because ___________. A. values and beliefs differ across cultures B. some

Soloha48 [4]

Answer:

The correct answer would be C, certain display rules are more appropriate than others.

Explanation:

I hope this helps you:)

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3 years ago

Where is the centre of mass of a uniform cube located?​

Where is the centre of mass of a uniform cube located?