two vectors of same units have magnitude of 8 unit and 5 unit. what are the maximum and minimum magnitude of resultant that can be obtained with the two vectors?

Answers

Answer 1

Answer:

Explanation:

Max will be when they are in the same direction: 8 + 5 = 13 units

Min will be when they are in opposite directions 8-5 = 3 units

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If you had a planet to choose from to live in what would it be?

Answers

I personally would live on Mars cuz that is red cuz

I would personally like to live on mars because it is like our temperature, but a little bit colder.

The Milky Way is located in the _____ Group. Andromeda Local Elliptical Spiral Virgo

Answers

The Milky Way is located in the "local" Group.

The Local Group is the galaxy group that incorporates the Milky Way. The Local Group involves in excess of 54 galaxies, the greater part of them predominate cosmic systems. Its gravitational focus is found somewhere close to the Milky Way and the Andromeda Galaxy. The Local Group has a breadth of 10 Mly (3.1 Mpc) (around 1023 meters) and has a paired (dumbbell) distribution. The gathering itself is a piece of the bigger Virgo Supercluster, which might be a piece of the Laniakea Supercluster.

Final answer:

The Milky Way is located in the Local Group of galaxies and is a spiral galaxy. More than 54 galaxies including Andromeda and the Milky Way are in the group.

Explanation:

The Milky Way is located in the Local Group of galaxies. This group is a collection of more than 54 galaxies, including the Andromeda and Milky Way galaxies, which are the two largest galaxies in the group. The Milky Way is a spiral galaxy, which means it has a flat, spinning disk with a central bulge surrounded by spiral arms. Despite its presence in the Local Group, the Milky Way has no direct connection to the Elliptical or the Virgo groups.

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A 1.00 l sample of a gas at 25.0◦c and 1.00 atm contains 50.0 % helium and 50.0 % neon by mass. what is the partial pressure of the neon. express your answer in atmospheres.

Answers

V = Volume of sample of gas = 1.00 L = 0.001 m³

T = temperature of the gas = 25.0 ⁰C = 25 + 273 = 298 K

P = pressure = 1.00 atm = 101325 Pa

n = number of moles of gas

using ideal gas equation

PV = n RT

101325 (0.001) = n (8.314) (298)

n = 0.041

n₁ = number of moles of helium

n₂ = number of moles of neon

m₁ = mass of helium = n₁ (4) = 4 n₁

m₂ = mass of neon = n₂ (20.2) = 20.2 n₂

given that :

m₁ = m₂

4 n₁ = 20.2 n₂

n₁ = 5.05 n₂

also

n₁ + n₂ = n

5.05 n₂ + n₂ = 0.041

n₂ = 0.0068

mole fraction of neon is given as

mole fraction = n₂ /n = 0.0068/0.041 = 0.166

P₂ = partial pressure of neon = (mole fraction) P

P₂ = (0.166) (1)

P₂ = 0.166 atm

The partial pressure of the neon is 0.16 atm.

Explanation:

A 1.00 l sample of a gas at 25.0◦c and 1.00 atm contains 50.0 % helium and 50.0 % neon by mass. what is the partial pressure of the neon. express your answer in atmospheres.

The partial pressure is the notional pressure of constituent gas if it is occupied alone by the entire volume of the original mixture at the same temperature.

50.0 % helium and 50.0 % neon by mass.

$P = 1 atm$

Mass of the gases = $M$

$Moles of helium = (0.5M)/(4 g/mol)\nMoles of neon = (0.5M)/(20 g/mol)$

By using ideal gas equation we get:

$PV=nRT\nn=(PV)/(RT)=(1.00 L* 1.00 atm)/(0.0820 L atm/mol K* 298 K)=0.0409 mol$

where $n =$ total number of moles of gases

$0.0409 mol=(0.5M)/(4 g/mol)+(0.5M)/(20 g/mol)$

$M = 0.2728 g$

Then we can find the mass and mole of gases

The gas molar volume is the volume of one mole of the gas at a given temperature and pressure.

Mass of helium gas = $(0.2728g)/(2)=0.1364 g$

Moles of helium gas $=n_1=(0.1364 g)/(4 g/mol)=0.0341 mole$

Mass of neon gas $= (0.2728g)/(2)=0.1364 g$

Moles of neon gas $= n_2=(0.1364 g)/(20 g/mol)=0.00682mole$

Partial pressure of the neon gas: $P* \chi_2=P* (n_2)/(n_1+n_2)=1 atm* (0.00682)/(0.00682+0.0341)=0.16 atm$

Therefore the partial pressure of the neon gas is 0.16 atm.

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How do geologist locate the epicenter of an earthquake?

Answers

by taking measurements from 3 seismograms.

What is the formula for finding your maximum heart rate

Answers

According to the American Heart Association, the broad,
approximate guideline for your MAXIMUM heart rate is:

   -- take 220
   -- subtract your age
   The unit is "beats per minute".

But there are many things that have an effect on this number.
A few of them are:
-- your age
-- your weight
-- any medicines you're taking
-- HOW you measure your heart rate.

If you're planning any REGULAR activity that will play with
your heart rate, you really ought to discuss it with your doctor
before you jump in.

you exert a force of 30 n on the head of a thumbtack. the head of the thumbtack has a radius of 5 mm. what is the pressure on your thumb?

Answers

The pressure exerted on your thumb by the thumbtack is approximately 3.818 x 10^5 Pascal (Pa).

To calculate the pressure on your thumb, we can use the formula:

Pressure = Force / Area

Force (F) = 30 N

Radius of the thumbtack head (r) = 5 mm = 0.005 m

First, we need to calculate the area of the thumbtack head. Since the head is circular, the area can be found using the formula for the area of a circle:

Area = $\pi * r^2$