Two teams are playing tug of war. Team A pulls to the right with a force of 450 N. Team B pulls to the left with a force of 415 N.

Answers

Answer 1

Answer:

Two teams are playing tug of war. Team A pulls to the right with a force of 450 N. Team B pulls to the left with a force of 415 N

Answer 2

Answer:

A. 35 N to the right.

EXPLANATION: 450 is going to the right so you subtract what is going against it. Which gives you 35. And because 450 is bigger than 415, it'll be going to the right.  


Related Questions

Calculate the change in time for each quarter of the track. Record the change in time in Table E of your Student Guide. The change in time for the first quarter is seconds. The change in time for the second quarter is seconds. The change in time for the third quarter is seconds. The change in time for the fourth quarter is seconds.

Answers

Answer:

Answer:first 1.39

second 0.78

third 0.64

fourth 0.54

Explanation:just did it

Explanation:

Answer:

this is it

Explanation:

Which of the following is a hypothesis?
A. Squid sometimes squirt ink.
B. What is a reason for squid to squirt ink?
C. If a squid is attacked by a predator, it will squirt ink.
D. All of the evidence accumulated by scientists over many years
shows that squid squirt ink to defend themselves.

Answers

Answer:

C

Explanation:

Hypothesis is one of the science methods. Hypothesis is the same as guessing. It's a scientific method that precedes observations.

According to the question asking that Which of the following is a hypothesis ?

The correct option is C which is

If a squid is attacked by a predator, it will squirt ink

It is an hypothesis because there is no experimental evidence to back it up.

a 12 lb bowling ball goes faster than a 15lb ball when thrown with the same force. Why is this Newton's 2nd law of motion? Please I need an explanation.

Answers

Answer:

This is Newton's 2nd law of motion because Newton's second law pays more attention to the mass of the object and amount of force is being put from the object.

How many microseconds are equal to 4.2 ks?

Answers

4,200,000,000.

There ya go.

Submit the assignment following the instructions in the lesson assessment 01.05 measuring physical properties ​

Answers

Answer:jeff gordon is a boss

Explanation: i am so cool thats how i know its correct

Urination is one of the key mechanisms for losing fluid from the human body.

Answers

This is a true statement

Answer:

TRUE. so is breathing, sweating

hope this helped :)

Match each physical property of matter to the appropriate definition
conductivity
density
buoyant force
solubility
boiling point

Answers

probably a little late on this but the dude got everything wrong heres a screenshot of the answers.

Solubility: the ability of a substance to dissolve in another.

Density: the amount of mass in a given volume.

Buoyant force: the upward force on an object in a fluid.

Conductivity: the ability of a substance to transfer heat or electricity.

Boiling point: the temperature at which a liquid becomes a gas.

Solubility can be defined as a measure of how readily a substance dissolves in a solvent to form a solution.

Hence, a substance is typically considered to be soluble if it is able it dissolve completely in a solvent.

Density can be defined as mass all over the volume of an object.

Simply stated, density is mass per unit volume of an object.

Buoyancy can be defined as an upward force created by the fluid (liquid) displaced by an object.

Conductivity can be defined as the ability of an object, substance or body to transfer heat or electricity to another.

Boiling point is the temperature at which a physical matter changes phase from liquid to gas.

For example, the boiling point of water is 100 degree Celsius (100°C).

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both nuclear fusion and nuclear fission reactions____

Answers

Answer:

releases large amounts of energy

Explanation:

what type of quantity is frequency​

Answers

Radians per second (rad/s)

Which body system is most closely associated with transport and delivery?

Answers

It is Cardiovascular.

The body system that is most closely associated with transport and delivery is known as the cardiovascular.

What do you mean by Body system?

The Body system may be defined as the collection of specific organs and tissues that work together in order to accomplish some important functions for the body. For example, the circulatory system plays an important role in the migration of oxygen and nutrients to each cell of the body via the blood.

The cardiovascular system effectively delivers numerous nutrients, hormones, oxygen, and other important substance to each cell of the body in order to facilitate the survivability of cells and entire organisms.

Therefore, the cardiovascular system is a type of body system that is most closely associated with transport and delivery.

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What is the maximum energy that can be transferred to an electron in a hard collision by a 25 MeV
a) Electron (according to convention)
b) Positron
c) Proton
d) Alpha particle

Answers

Answer:

Electrons

Explanation:

The electrons are called the subatomic particles. The electrons have one of the symbol of e-and β-. The electrons are the first generation of the Lepton particles. These are generally describe the elementary particles. These particles do not have components and substructure.

Like all other elements the electrons also exhibits some types of properties. These electrons also hit with another particles and start to diffracted in different direction like lights.

The wave property of the electrons can be observed with the help of experiment.

Which organelle packages materials and distributes them throughout the cell?
O lysosome
O chloroplast
O Golgi body
O cell membrane

Answers

Answer:

golgi body

Explanation:

i took the test

Organelle packages materials and distributes them throughout the cell through the Golgi body (also known as the Golgi apparatus or Golgi complex). The correct option is C.

The Golgi body plays a crucial role in the packaging, modifying, and sorting of proteins and lipids synthesized in the endoplasmic reticulum (ER). It receives these molecules from the ER and then modifies them, such as by adding sugars or lipids. The Golgi apparatus then packages these molecules into vesicles and distributes them to their appropriate destinations within the cell, such as other organelles or the cell membrane.

A. Lysosome: Lysosomes are organelles responsible for the digestion of waste materials, cellular debris, and foreign substances. They contain enzymes that break down various molecules. Lysosomes are not involved in packaging and distributing materials throughout the cell.

B. Chloroplast: Chloroplasts are organelles found in plant cells responsible for photosynthesis, the process by which sunlight is converted into chemical energy. Chloroplasts are involved in producing energy-rich molecules (such as glucose) rather than packaging and distributing materials within the cell.

D. Cell membrane: The cell membrane (also known as the plasma membrane) is a semipermeable barrier that surrounds the cell, separating its internal environment from the external environment. While the cell membrane controls the entry and exit of substances into and out of the cell, it is not directly involved in packaging and distributing materials within the cell.

Therefore, the Golgi body is the correct answer as it specifically carries out the task of packaging and distributing materials throughout the cell.

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if the mass is 10 gram and the volume is 7 cubic centimetre,find the density in kilogram per cubic metre

Answers

Answer:

1.42

Explanation:

devide 10 by 7

A fast Humvee drove from desert A to desert B. For the first 12
hours, it travelled at an average speed of 185 km/h. For the
next 13 hours, it travelled at an average speed of 160 km/h.
What was the average speed of the whole journey?
km/h

Answers

Answer: 172

Explanation: Because yeah

Rank the nonmetals in each set from most reactive (1) to least reactive (3). Bromine: Chlorine: lodine:​

Answers

Answer:

2,1,3

Explanation:

Edge 2020

5. Scientists studying bull sperm whales off the coast of South Africa have
calculated that these mammals can descend to depths of nearly 3,000 m during
their search for food. What is this depth in kilometers?

Answers

This would be 3 kilometers, because there are 1000 meters in 1 kilometer. I hope this helps! Have a great day!

A parachutist bails out and freely falls 63 m. Then the parachute opens, and thereafter she decelerates at 1.5 m/s2. She reaches the ground with a speed of 3.3 m/s. (a) How long is the parachutist in the air

Answers

Answer:

(a) The parachutist spent 24.84 secs in air

(b) The height the fall begins is 472 m

Explanation:

Here is the complete question:

A parachutist bails out and freely falls 63 m. Then the parachute opens, and thereafter she decelerates at 1.5 m/s2. She reaches the ground with a speed of 3.3 m/s. (a) How long is the parachutist in the air  (b) At what height does the fall begin?

Explanation:

From one of the equations of kinematics for free fall

[tex]H = ut - \frac{1}{2}gt^{2}[/tex]

Where H is the height

u is the initial velocity

t is the time

and g is the acceleration due to gravity (Take g = 9.8 m/s2)

Now, we can find the time spent before the parachute opens.

u = 0 m/s (we assume the parachutist starts from rest)

H = - 63 m

∴[tex]-63 = 0(t) - \frac{1}{2}(0.98) t^{2} \\-63 = -4.9 t\\t^{2} = \frac{63}{4.9} \\t^{2} = 12.86\\t = \sqrt{12.86} \\t = 3.59 s[/tex]

This the time spent before the parachute opens

Also from one of the equations of kinematics for free fall

[tex]v = u - gt[/tex]

where v is the final velocity

We can determine the final velocity before the parachute opens and she starts to decelerate

∴[tex]v = - 9.8(3.59)\\v = - 35.18m/s[/tex]

Now, we will calculate the time spent after the parachute opens

From one of the equation of kinematics for linear motion,

[tex]v = u + at[/tex]

Here, the initial velocity will be the final velocity just before the parachute opens, that is

[tex]u = - 35.18 m/s[/tex]

From the question,

[tex]v = - 3.3 m/s[/tex]

[tex]a = 1.5 m/s^{2}[/tex]

We then get

[tex]-3.3 = - 35.18 + (1.5)t[/tex]

[tex]-3.3 + 35.18 = 1.5t\\31.88 = 1.5t[/tex]

[tex]t = \frac{31.88}{1.5}[/tex]

[tex]t = 21.25 secs[/tex]

(a) To determine how long the parachutist is in the air,

That is sum of the time used when falling freely and the time used after the parachute opens

= 3.59 secs + 21.25 secs

24.84 secs

Hence, the parachutist spent 24.84 secs in air

(b) To determine what height the fall begins

First, we will calculate the height from which the parachute opens

From one of the equation of kinematics for linear motion,

[tex]x = ut + \frac{1}{2}at^{2} \\[/tex]

[tex]x = -35.18(21.25) + \frac{1}{2}(1.5)(21.25)^{2} \\x = -747.58 + 338.67\\x = -408.91m\\[/tex]

[tex]x[/tex] ≅ [tex]- 409m[/tex]

Hence, the height the fall begins is 63m + 409m

= 472 m

Which option gives an object's volume in Sl units?
A. 3.4 L
B. 2.6 m3
C. 5.5K
D. 4.3 kg

Answers

Answer:

B.

Explanation:

K is the SI unit for Kelvin which measures temperature.

kg is NOT an SI unit, g is the SI unit for mass.

L is NOT an SI unit, m^3 is the SI unit for volume.

Therefore the answer is B.

The mercury manometer of fig. P2.57 indicates a differential reading of 0.30 m when the pressure in pipe a is 30-mm hg vacuum. Determine the pressure in pipe


b.

Answers

Answer:

The pressure in pipe b is 33.4 kpa.

Explanation:

Given that,

Pressure in pipe a = 30 mm hg vacuum

Differential reading = 0.30 m

We need to calculate the pressure in pipe b

Using diagram

[tex]P_{B}+W_{oil}(h_{1}+h_{2})-W_{Hg}(h_{2})-W_{H_{O}}(h_{1})=P_{A}[/tex]

Where, P = pressure

W= specific weight

Put the value into the formula

[tex]P_{B}+W_{oil}(0.15+0.30)-W_{Hg}(0.3)-W_{H_{2}O}(0.15)=-W_{Hg}(0.030)[/tex]

Put the value of specific weight

[tex]P_{B}=-(133)\times(0.030)-(8.95)\times(0.45)+133\times(0.3)+9.80\times0.15[/tex]

[tex]P_{B}=33.4\ kPa[/tex]

Hence, The pressure in pipe b is 33.4 kpa.

Which state(s) of matter have no definite shape or volume? liquids and solids liquids and gasses gasses solids

Answers

Answer:

c gasses

Explanation:

Liquid and gases  state(s) of matter have no definite shape or volume

What is the matter?

Anything which has mass and occupies space is known as matter, mainly there are four states of matter solid liquid gases, and plasma.

These different states of matter have different characteristics according to which they vary their volume and shape.

The solid has a definite shape and definite volume because the atoms and molecules of the solid are very close to each other forming a great bond structure.

The liquid and gaseous state have their atoms and molecules apart from each other forming a loose bonding structure because this liquid does not have a fixed shape it takes the shape of the container, similarly, gases, their atoms are far apart from each other that's why they don't have fixed shape or the fixed volume.

States of matter those have no definite shape or volume are liquids and gases.

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You don't learn any movement concepts until high school.

Answers

Answer:

true

Explanation:

Answer:

yes

Explanation:

you don't learn it until high school

Why do u think women basketball is not as popular as men’s basketball

Answers

Answer: Look, the main difference between men's and women's college basketball is the attention the programs and players get. The women's ball is slightly smaller than the men's ball. ... Men get a thirty-five-second shot clock, while women only get a thirty-second shot clock.

Not as many women play sports as compared to men and many ... ... or Women's World Cup Soccer, women's sports are not as popular as the male counterparts in ...

Calculate the average speed of Terri's trip.

Answers

Answer:

please provide more information about the question so that I can help you

If you walk 30 meters forwards, and then turn around and walk 25 meters backwards, what is the distance that you walked? What displacement do you have after this walk?

Answers

Given :

Walk in forward direction is 30 m .

Walk in backward direction is 25 m .

To Find :

The distance and displacement .

Solution :

We know , distance is total distance covered and displacement is distance between final and initial position .

So , distance travelled is :

D = 30 + 25 m = 55 m .

Now , we first move 30 m in forward direction and then 25 m in backward direction .

So , displacement is :

D = 30 - 25 m = 5 m .

Therefore , distance and displacement covered is 55 m and 5 m respectively .

Hence , this is the required solution .

which of the following is a class of wave in physics
A. Ripple tank
B. Electromagnetic
C. Stationary
D. longitudinal​

Answers

Answer: They are all types of waves

A. Ripple tank

B. Electromagnetic  wave

C. Stationary  wave

D. longitudinal​wave

Explanation:

You are driving down a two-lane road at 45 mph. The oncoming vehicle�s right wheels drop off the pavement. The most likely occurrence is...

Answers

Answer:

a)The vehicle will enter your lane

Explanation:

The complete question is

You are driving down a two-lane road at 45 mph. The oncoming vehicle's right  wheels drop off the pavement. The most likely occurrence is...

a)The vehicle will enter your lane

b)The vehicle will continue on the shoulder of the road.

c)The vehicle will spin out and hit a tree.

d)The vehicle will return smoothly back onto the road.

The dropping off of the oncoming vehicle's right wheel off the pavement will force the driver to overturn to the left towards you, and this might lead to the vehicle entering your own lane.

a marble is shot horizontally from a table .8 m High, and it lands, 1.2 meters away horizontally. what was the initial velocity of the marble as it left the table

Answers

Answer:

3 m/s

Explanation:

First, find the time it takes to land.

Given in the y direction:

Δy = 0.8 m

v₀ = 0 m/s

a = 10 m/s²

Find: t

Δy = v₀ t + ½ at²

0.8 m = (0 m/s) t + ½ (10 m/s²) t²

t = 0.4 s

Next, find the velocity needed to travel 1.2 m in that time.

Given in the x direction:

Δx = 1.2 m

a = 0 m/s²

t = 0.4 s

Find: v₀

Δx = v₀ t + ½ at²

1.2 m = v₀ (0.4 s) + ½ (0 m/s²) (0.4 s)²

v₀ = 3 m/s

how to increase current​

Answers

Answer:

So to increase current of the circuit what you can do is :

1. Use conductor of low resistivity, ¶.

2. Use conductor of small length.

3. Use thick wire.

4. Decrease the temperature of the circuit.

5. If operating temprature is high than use semiconductor, because it have negative temprature coefficient.

6. Minimise the circuit losses.

Answer:

by making dam into near the water resource

why should we conserve biodiversity​

Answers

Biodiversity conservation protects plant, animal, microbial and genetic resources for food production, agriculture, and ecosystem functions such as fertilizing the soil, recycling nutrients, regulating pests and disease, controlling erosion, and pollinating crops and trees.

This is a sign of a chemical reaction that involves a new color being created during the reaction.

Answers

Answer:

The five conditions of chemical change: color change, formation of a precipitate, formation of a gas, odor change, temperature change.

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