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natta225 [31]
3 years ago
13

PLS ANSWER FAST WILL GIVE BRAINLEST!!!

Physics
1 answer:
Kipish [7]3 years ago
8 0

Answer:

2 Newtons

Explanation:

F = ma

Therefore, your mass would be 1kg and your acceleration would be 2m/s/s

Plug the numbers into the equation:

(1kg)(2m/s/s)

which will equal

2 Newtons

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What kind of friction is occurring between a pencil and desktop when you flick the pencil?
DanielleElmas [232]
The third one sliding friction
Explanation:
8 0
2 years ago
The quantum mechanical approach to atomic structure permits the calculation of 1. the most probable distance between any two spe
miss Akunina [59]

Answer:

2. a region about the nucleus in which an electron of specified energy will probably be found

Explanation:

With quantum mechanics we can find the wave function that describes the movement of the particles, the interpretation of this wave function is through the probability density (φ* φ).

This probabilistic interpretation of the energies, position and amounts of motion electrons allow us to find the region around the nucleus where an electron of specific energy can be found with a given probability.

The correct answer is 2

3 0
3 years ago
Two points are located on a rigid wheel that is rotating with decreasing angular velocity about a fixed axis. Point A is located
Norma-Jean [14]

d.Both points have the same instantaneous angular velocity.

Explanation:

Let's analyze each option one by one:

a.the angular velocity at point A is greater than that of point B.  --> FALSE. In fact, for a rigid body (such as the rigid wheel in this problem), all the points along the body rotates with the same angular velocity. This is because the angular velocity is defined as

\omega=\frac{\theta}{t}

where \theta is the angular displacement and t is the time taken. Therefore, all the points rotate by the same angle \theta in the same time t.

b.Both points have the same centripetal acceleration.  --> FALSE. The centripetal acceleration of a point along the disk is given by

a_c=\omega^2 r

where \omega is the angular velocity and r is the distance of the point from the axis of rotation. Here A is located farther away from the axis with respect to B, so it will have a greater centripetal acceleration.

c.Both points have the same tangential acceleration.  --> FALSE. The tangential acceleration is given by

a_t = \alpha r

where \alpha is the angular acceleration. \alpha is the same for every point for a rigid body, but r is not (A is located farther away), so A and B do not have same tangential acceleration.

d.Both points have the same instantaneous angular velocity.  --> TRUE. This is true for what we said at point A).

e.Each second, point A turns through a greater angle than point B. --> FALSE. The two points cover the same angular displacement in the same time, since they have same angular velocity.

Learn more about circular motion:

brainly.com/question/2562955

brainly.com/question/6372960

#LearnwithBrainly

4 0
3 years ago
A ball rolling on grass has more friction than a ball rolling on tile
Dmitry_Shevchenko [17]

Answer:

When you slide an object there is less friction than when you roll it. an object's acceleration (change in speed) depends on the mass of the object and the amount of force applied on it. an object at rest stays at rest unless a force acts on it. ... A ball rolling on grass has more friction than a ball rolling on tile.

6 0
2 years ago
Read 2 more answers
Which of the following is an example of a difference between planets in the solar system?
viva [34]

Answer:

A planet can have a surface made of either liquid or gas.

Hope it helped brainiest plz and thank you.

Explanation:

Which of the following is an example of a difference between planets in the solar system?

"A planet can have a surface made of either liquid or gas."

that's the answer:A planet can have a surface made of either liquid or gas.

3 0
2 years ago
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