The quantity that can be zero if body remains in motion for some time

A person walks 1 mile every day for exercise, leaving her front porch at 9:00 am. and returning to her front porch at 9:25 am. W

Alexxx [7]

Answer: 0

Explanation:

Given that:

Distance walked per day = 1 mile

Starting position = front of house

Final position = front of house(initial position).

In other to aid understanding; Displacement simply refers to the shortest or least distance measured from an individual's initial position to his final point.

Here,

Assume, front of house = point A

Then , initial position = point A (front of house)

Final position, = point A (front of house)

Hence, the shortest distance between final and initial positions is :

Point A - Point A = 0

Since, starting point is the same as the final point, then Displacement = 0

5 0

3 years ago

Example of first, second and third law of motion.

statuscvo [17]

Examples of Newton's three law of motion.

First law of motion: A rocket being launched up in the atmosphere.

Second law of motion:while riding a bicycle, a bicycle acts as a mass and our legs pushing on the pedals of the bicycle is the force.

Third law of motion:when we jump off from the boat,the boat moves backward.

Hope,it will helpyouu!

4 0

3 years ago

Is it possible for the momentum of a system consisting of two carts on a low-friction track to be zero even if both carts are mo

tamaranim1 [39]

Answer:

Yes, if the carts are travelling into opposite directions

Explanation:

The total momentum of a two carts system is the sum of the momenta of the individual carts:

$p=p_1 +p_2 = m_1 v_1 + m_2 v_2$

where

m1, m2 are the masses of the two carts

v1, v2 are the velocities of the two carts

In order to have a total momentum of zero, we must have

$m_1 v_1 + m_2 v_2 = 0\\m_1 v_1 = - m_2 v_2$ (1)

Let's remind that velocity (and so, momentum as well) is a vector quantity: this means that it has a direction, so when summing together the momenta, we must also consider the sign of the velocity, depending on its direction.

Therefore, if the two carts are moving in opposite directions, the signs of the two velocities will be opposite. For example, we can have

$v_1 > 0 \\v_2 < 0$

This means that the condition in eq.(1) can be satisfied, provided that the two carts are travelling into opposite directions.

8 0

3 years ago

You connect a 9V battery to a capacitor consisting of two circular plates of radius 0.066 m separated by an air gap of 2.0 mm. W

mel-nik [20]

The charge on the positive plate is 1.734* $10^{-12}$ C

Given,

V=9v, R=0.066m Gap(G)=2.0mm=0.0020m ∈=8.85* $10^{-12}$

We know C=∈ * $\frac{A}{G}$ = 8.85* $10^{-12}$ * $\frac{\pi *0.066^{2} }{0.002}$ =19.275* $10^{-12}$ F

Also, Q = C V = 19.275* $10^{-12}$ * 9 = 1.734* $10^{-12}$ C

<h3>Charge </h3>

When charged matter is exposed to an electromagnetic field, its electric charge—a property of matter—causes it to feel a force. A charge on an electric field might be positive or negative. Like and unlike charges are attracted to one another while being repelled by the other. Neutral describes a thing without any net charge. Electric charge is a conserved property; in an isolated system, the net charge, or the sum of the positive and negative charges, is constant. Subatomic particles transport electrical charge. The protons in atoms' nuclei carry positive charge in normal matter, while the electrons carry negative charge.

Learn more about charge here:

brainly.com/question/19886264

#SPJ4

3 0

2 years ago

How to do this problem

marusya05 [52]

The answer I'm pretty sure is 3

4 0

3 years ago

Read 2 more answers

The quantity that can be zero if body remains in motion for some time ​

The quantity that can be zero if body remains in motion for some time