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3 years ago

Help ... plz

Physics

1 answer:

Alona [7]3 years ago

3 0

<u>Benefits of strength and muscular endurance exercises and two examples:</u>

Of several purposes, muscle strength and endurance are beneficial, like as follows

increasing potential to do things such as doing daily routine work

carrying boxes or wood cutting before getting exhausted
reducing the risk of injury
helping you to maintain a healthy body weight
contributing to healthier muscles and bones

enhancing morale and feeling about yourself.

The two examples for strength and muscular endurance exercises are: Plank and Body weight squats.

Squats shape the human body part which is used to sit (butt) and entire body, reduce fat, strengthen posture, increase blood circulation, boost your flexibility.

While plank helps to reinforce the heart, hikes metabolism, decline back pain by supporting backbone, improved joint health, balance mood and relieved stress.

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Calculate the net force on particle q1. First, find the direction of the force particle q2 is exerting on particle q1. Is it pus

ValentinkaMS [17]

The net force on particle particle q1 is 13.06 N towards the left.

<h3>Force on q1 due to q2</h3>

F(12) = kq₁q₂/r₂

F(12) = (9 x 10⁹ x 13 x 10⁻⁶ x 7.7 x 10⁻⁶)/(0.25²)

F(12) = -14.41 N (towards left)

<h3>Force on q1 due to q3</h3>

F(13) = (9 x 10⁹ x 7.7 x 10⁻⁶ x 5.9 x 10⁻⁶)/(0.55²)

F(13) = 1.352 N (towards right)

<h3>Net force on q1</h3>

F(net) = 1.352 N - 14.41 N

F(net) = -13.06 N

Thus, the net force on particle particle q1 is 13.06 N towards the left.

Learn more about force here: brainly.com/question/12970081

#SPJ1

8 0

2 years ago

Is electricity a fuel

labwork [276]

YES, ELECTRICITY CONCERNS ENERGY WHICH IS USED AS A FUEL . IN MODERN DAY TECH, MOST MACHINES USE ELECTRICITY AS A FUEL SUCH AS THE ELECTRONIC TRAIN IN TOKYO, JAPAN.

8 0

2 years ago

Read 2 more answers

What is the Orbital Notation for Radon

Marina CMI [18]

Answer:

[Rn]7s2

Explanation:

3 0

3 years ago

Why doesn’t a machine that increases force break the law of conservation of energy?

USPshnik [31]

Answer:

A machine in which work input equals work output. energy can be used to do work, work can be used to transfer energy. The change in the kinetic energy of an object is equal to the net work done on the object.

hope this helps

8 0

3 years ago

A type of Lead (Pb) ion has a + 4 oxidation number. Sulfur (S) has a — 2 oxidation number. What would be the chemical formula fo

serious [3.7K]

Answer: The chemical formula for the compound of these two elements is $PbS_2$

Explanation:

For formation of a neutral ionic compound, the charges on cation and anion must be balanced. The cation is formed by loss of electrons by metals and anions are formed by gain of electrons by non metals.

Here metal lead is having an oxidation state of +4 called as $Pb^{4+}$ cation and sulphur non metal has oxidation state of -2 called as $S^{2-}$ . Thus they combine and their oxidation states are exchanged and written in simplest whole number ratios to give neutral $PbS_2$

The chemical formula for the compound of these two elements is $PbS_2$

4 0

3 years ago