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3 years ago

Under what environmental conditions are you most likely to generate static electricity?

1 answer:

5 0

Mostly when your around carpet or anything related to a carpet because when you do it long enough you will generate static electricity i hope this helps

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Non example of a Mass Number

Zielflug [23.3K]

Are there any options or is it not a multiple choice question.

4 0

4 years ago

A very fine thread is placed between two glass plates on one side and the other side is touching to form a wedge. A beam of mono

ki77a [65]

Answer:

53.3micro meters

Explanation:

See attached file

4 0

4 years ago

A spherical shell rolls without sliding along the floor. The ratio of its rotational kinetic energy (about an axis through its c

True [87]

Answer:

The ratio is $\frac{RE}{TE} = \frac{2}{3}$

Explanation:

Generally the Moment of inertia of a spherical object (shell) is mathematically represented as

$I = \frac{2}{3} * m r^2$

Where m is the mass of the spherical object

and r is the radius

Now the the rotational kinetic energy can be mathematically represented as

$RE = \frac{1}{2}* I * w^2$

Where $w$ is the angular velocity which is mathematically represented as

$w = \frac{v}{r}$

=> $w^2 = [\frac{v}{r}] ^2$

$RE = \frac{1}{2}* [\frac{2}{3} *mr^2] * [\frac{v}{r} ]^2$

$RE = \frac{1}{3} * mv^2$

Generally the transnational kinetic energy of this motion is mathematically represented as

$TE = \frac{1}{2} mv^2$

$\frac{RE}{TE} = \frac{\frac{1}{3} * mv^2}{\frac{1}{2} * m*v^2}$

$\frac{RE}{TE} = \frac{2}{3}$

5 0

3 years ago

What type of system allows matter and energy to enter and exit

ad-work [718]

Should be open system

4 0

4 years ago

A trio of students push a 65 kg crate. The first student pushes 31 N [e], the second student pushes 28 N [s] and the third stude

Verdich [7]

Answer:

The free body diagram is attached.

Explanation:

A force of 31[N] to the east, the second force goes to the south and it is equal to 28[N], the third force goes to the west and it is equal to 39 [N].

We can consider the crate as a particle. And all the forces are acting over the particle.

5 0

3 years ago