Suppose a man pushes a crate with a force of 20 N north. What is the magnitude and direction of the reaction force?

A. 20 N south
B. 20 N north
C. 20 N down
D. There is no reaction force in this case.

Answers

Answer 1

D

Explanation:

Because between this force the opposite direction will be zero

Answer 2

Answer: The answer is actually A, 20 N south

Explanation:

Because I got it wrong, but then it showed me the answer.


Related Questions

State the relationship between the pressure and the volume

Answers

volume increases with decrease in pressure

Explanation:

pressure and volume are inversely proportional. if volume increases the,pressure decreases and vice versa ,where temperature is kept constant

__________ is the theory that living things come from other living things.
A.
spontaneous generation
B.
evolution
C.
Darwinism
D.
cell theory

Answers

Answer:

A.spontaneous generation

find the energy released when there is a decrease of 0.3kg of material in a nuclear reaction

Answers

Answer:

E = 2.7 x 10¹⁶ J

Explanation:

The release of energy associated with the mass can be calculated by Einstein's mass-energy relation, as follows:

[tex]E = mc^2[/tex]

where,

E = Energy Released = ?

m = mass of material reduced = 0.3 kg

c = speed of light = 3 x 10⁸ m/s

Therefore,

[tex]E = (0.3\ kg)(3\ x\ 10^8\ m/s)^2[/tex]

E = 2.7 x 10¹⁶ J

Help me on this please

Answers

Not sure about the graph but I’m pretty sure the second guy temperature will melt the sugar faster since it is hotter.

Think about tea. When you make cold tea it takes a while to dissolve sugar when the water is not warm. But if you make hot tea and stir sugar in it will dissolve quicker than it would for cold. Making the person with the hottest temperature of water sugar melt faster.

Can you please help me?

Answers

Answer:

2nd one

Explanation:

highest frequency shortest wavelength

Answer:

highest frequency shortest wavelength

This is graded help hurry pls

Answers

first one I think. Sorry if your get it wrong but it’s a temporary magnet so I’m really confident with the first.

Which of the following is not true about a scientific name?

a. they should be typed in italics
b. they are derived from Greek and Latin words
c. they contain a genus and species name
d. they can vary from location to location

Answers

Then answer would be D

Convertir 1200 ms a cs
Convertir 0,3 mm a cm.

Answers

Answer:

You can do the reverse unit conversion from cm/s to m/s, or enter any two units below: Metre per second (U.S. spelling: meter per second) is an SI derived unit of both speed (scalar) and velocity (vector quantity which specifies both magnitude and a specific direction), defined by distance in metres divided by time in seconds.

Explanation:

2. 3. 4. 5. 6. 7. A(n)results when a vehicle loses part or all of its grip on the road. is a technique that can be applied when trying to move your vehicle out of deep snow. The action of a vehicle's rear end sliding out to a side is called a(n) is a technique of reducing your speed as quickly as possible while maintaining control of your vehicle. Driving at a speed where the stopping distance of your vehicle is longer than the distance you can see with your headlights is called occurs when a tire loses road surface contact and rises on top of water. It is a(n)when your front tires begin 1 18 1 1 to plow and your vehicle is not responding, or not responding as quickly as it should, to a steering input.

Answers

Answer:

1) Skid

2) Rocking

3) Oversteer situation

4) Controlled breaking

5) Overdriving headlights

6) Hydroplaning

7) Understeer situation

Explanation:

1) A skid results when a vehicle loses part or all of its grip on the road

2) Rocking is a technique that can be applied when trying to move your vehicle out of deep snow

3) The action of vehicle's rear end sliding out to a side is called an oversteer situation

4) Controlled breaking is a technique of reducing your speed as quick as possible while maintaining control of your vehicle

5) Driving at a speed where the stopping distance of your vehicle is longer than the distance you can see with your headlights is called overdriving headlights

6) Hydroplaning occurs when a tire loses road surface contact and rises on top of water

7) It is an understeer situation when your front tires begin to plow and your vehicle is not responding or not responding as quickly as it should, to a steering point

Pls help!
sponge

sandworm

crab

sea star

flatworm

Which characteristic do these animals have in common

Answers

Answer:

they havve to stay in water to survive

Explanation:

So their are sea animals

definition of mass number​

Answers

Answer:

The total number of protons and neutrons in a nucleus.

Explanation:

I memorized it.

Answer:

Mass number of an atom is defined as the sum of the number of protons and number of neutrons.

So what is 27+22? Is it
A 8338
B 8282
C 8228
D 8234

Answers

Answer:

You put the add sign, so it would be 49. I don't believe that is what you meant to put though.

Explanation:

i gotchu, 27+22 so you take the 8 and multiply that by the number of times you blink every 2 minutes and then divide that by 0×1 and carry the 3 and that gives you -7

Planetesmals are made from

Answers

A planetesimal is an object formed from dust, rock, and other materials. According to the planetesimal hypothesis, when a planetary system is forming, there is a protoplanetary disk with materials from the nebulae from which the system came. This material is gradually pulled together by gravity to form small chunks.

Brainliest or a thank you please :)) <3

Marcy has two objects, X and Y. Object X looks yellow, and object Y looks black. Which statement best explains the color of the objects?

Answers

Answer:

Object X reflects yellow and object Y reflects none.

Explanation:

We are able to see the colors of different objects because the light rays falling on the surface of an object reflects back few or none of the colors to our eyes. We see the color that is reflected back to our eyes.

In the context, Marcy has two objects, X and Y. We see that object X is yellow in color because as the light rays falls on the object X, it absorbs all the colors of the spectrum and reflects the color yellow back to our eyes. So we can see that the object X is yellow.

Similarly, when spectrum light falls on the surface of the object Y, it absorbs all light in its body and reflects none of its colors. So the object Y appears to be black to our eyes.

helllllllppppp
Question 7 of 10 Here is a model of the Sun-Earth system at a certain point in Earth's orbit around the Sun. Axis 对联 Rotation axis Arctic Trop of Cancer C Sunlighet Equator Trople of Capricom D netic Circle B 1 Perpendicular to orbit According to the model, which two places on Earth are experiencing summer? AC B. A D C D 0 DB​

Answers

Answer: c and a

Explanation:

Trevor is playing soccer and takes his heart rate. He realizes that it is ABOVE the target ceiling. What should Trevor do now

Answers

Answer:

He should do a cool down exercise

Explanation:  not sure this is the answer your looking for :)

Which benefit is provided by good flexibility?
A. less risk of injury
B. longer endurance
C. muscle growth
D. greater strength

Answers

: its c!! Hope this helps

Water is a great conductor of electricity. True or False

Answers

Answer:

False

Explanation:

Think about every warning on electrical products, which is 'DO NOT KEEP NEAR WATER'

Answer:

FALSE

Explanation:

Pure water is not a good conductor of electricity. ... Because electrical current is carried by ions in solution, conductivity increases as the ion concentration increases. In such a way, that the conductivity when water dissolves ionic compounds.

Students are asked to create a model that shows the components that help an organism process sensory input.
Organize the components in order from simplest to more complex that help an organism process sensory input.
brain
nervous system
brain tissue
nerve cell

Answers

Brain brain tissue nerve cell nervous tissue

As distance ________________ between two objects, gravitational force will _________________. *
1 point
a. increases, increase
b. increases, decrease
c. decreases. increase

Answers

Answer:

b. increases, decrease

Explanation:

A 5kg book is slid across the floor with an initial velocity of 3m/s. It slows and stops due to the friction with the floor. How man joules of work did friction do?

Answers

Answer:

SUP DAD i love cookies

Explanation:

yuh

A construction worker drives to his work 43 km away at an average speed of 62 km/h. Before he gets out of his car he realizes he forgot his hammer at home and drives back at 79 km/h. Assuming his time parked at work was insignificant, what was his average speed overall in km/h?

Answers

Answer:

Explanation:

243w4e5drftgyhuj

4. Compare how thermal and electrical energy transfer between objects and give an example of how you can

experience electrical energy and thermal energy in daily life.

5. Explain the statement "No one really makes energy" and "No one really uses up energy" by using the Law of

conservation of energy and an evidence of energy transformations given in the text.

Answers

Answer:

4) we take a can of cold soda there is a transfer from hand to can.  a current passes through a light bulb, it becomes incandescent and gives ligh

5) the law of energy conservation states that energy is neither created nor destroyed, therefore what happens is that you use energy and transform it into another type of energy,

Explanation:

4) This exercise is asked to give some examples of thermal and electrical energy transfer

the transfer of thermal energy occurs when we grasp a hot or cold body due to the difference in temperature between the body and us there is an exchange of heat, for example when drinking a cup of hot coffee there is a transfer of energy from the cup to the hand .

If we take a can of cold soda there is a transfer from hand to can.

Electrical transfer occurs, for example, when a current passes through a light bulb, it becomes incandescent and gives light.

In all modern electrical appliances there is transformation of electrical energy

5) the law of energy conservation states that energy is neither created nor destroyed, therefore what happens is that you use energy and transform it into another type of energy,

For example, when you lift a box, the potential energy of the box increases with height, but the energy of the person decreases because it does work that is negative.

In amusement park rides, the energy accumulated in one part of the game generally with height is transformed into energy of movement in another part of the game, but the total energy remains constant.

Electromagnetic radiation travels as
1.
a torsional wave
2.
a longitudinal wave
3.
a transverse wave
4.
an elliptical wave

Answers

2 I hope it help sorry if it is wrong

endothermic vs exothermic question. please help!

Answers

Answer:

i dont know the answer sir !

Explanation:

how to find a cow

write a 4-5 sentence answer

Answers

Answer:

Go out into the country. Look on a farm. Look in a barn. Listen for, "MOOOOO." You found a cow.

Explanation:

How many molecules are in 5 moles of O2? A. 6.02 × 1024 B. 3.010 × 1024 C. 3.10 × 1024 D. 3.010 × 1023

Answers

There are b) 3.010 * 10 ^ 24 molecules  in 5 moles of O2

What is  mole ?

The mole is the amount of substance of a system which contains as many elementary entities as there are atoms in 0.012 kilograms of carbon 12 .

Number of moles = 5 moles

Number of molecules = ?

Avogadro's  number = 6.022 * 10^23

Number of molecules  in 5 moles of O2= number of moles * Avogadro's  number

                                                    =  5 * 6.022 * 10^23

                                                    = 30. 10* 10 ^23 = 3.011 * 10 ^ 24 molecules

There are b) 3.010 * 10 ^ 24 molecules  in 5 moles of O2

learn more about mole :

https://brainly.in/question/15416344?referrer=searchResults

#SPJ2

Identify the equation used to calculate the gravitational force (Fc) acting on a block on an inclined plane.
A) F=mg
B) F=mg sin
C) F=mg cos
D)F=mg tan

Answers

Answer:

the answer is b

Explanation:

The answer is b

If the two forces on an object are equal in size and opposite in direction, the forces are balanced, and no change
in motion results. Which of the following situations is an example of balanced force acting upon an object?
O A rope being pulled from both sides with equal force
O An 11-gram pen falling off a table onto the floor
O A car moving constantly at 30 miles per hour
O A rock accelerating as it rolls down a hill

Answers

Answer:

a rope being pulled from both sides with equal force

Explanation:

:)

Which law best describes contact force
A.
second law
B.
third law
C.
law of gravity
D.
first law

Answers

Answer: the third law

Explanation:

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