Please answer this question and give a justification.

Please Answer This Question And Give A Justification.

Answers

Answer 1
Acceleration is less than g. That’s because acceleration of g is only when the only force is the weight. With air resistance the net force is less so the acceleration is less.

Related Questions

could you guys tell me whether the photo represents a balanced or unbalanced equation​

Answers

Answer:

that is preatty balenced m8

Explanation:

Which waves can travel through space?
OElectromagnetic waves only
OMechanical waves only
OElectromagnetic and mechanical waves O Longitudinal and electromagnetic waves​

Answers

Answer:

A. electromagnetic waves only

Explanation:

brainliest please? :))

a) Electromagnetic waves only can travel through space

What are electromagnetic waves?

Electromagnetic waves are the waves that are propagated by simultaneous period variation of electric and magnetic filed intensity .

Longitudinal wave and mechanical wave require a particular medium to travel , and in vacuum their is no medium that helps  the waves to propagate because their is no particle present in vacuum . Hence , their is absence of any matter , wave cannot travel through it .

Because electromagnetic waves do not need molecule  to travel and electromagnetic wave are transverse waves and they have oscillating magnetic and electric field thus do not need a medium to travel .

hence , correct option a) Electromagnetic waves only

learn more about electromagnetic waves

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Contact and Non-contact Forces Assignment
Now that you have learned about forces, complete and submit the following assignment.

For the following situations, describe the contact and non-contact forces that are involved.

Situation
Contact Force(s)
Non-Contact Force(s)
A book sitting on a shelf






A soccer player kicking a ball; the ball soaring through the air and landing on the ground






A hiker in the woods reading her compass to determine which direction to go






A child on a sled; first, the child is sitting at the top of the hill, waiting his turn; then, the child pushes off and slides down the hill, eventually coming to a stop.

Answers

Answer:

I didn't know the subject but I researched and understood so...here goes!!

A book resting on a shelf: contact force- reaction force

                                          non contact force: gravitational force

Soccer ball- contact force- air resistance

                   non contact force- gravitational force

Compass- contact force- reaction force

                non contact force- magnetic force

child on sled- contact force- friction

                      non contact force- gravitational force

Explanation:

One cell performs 120 oscillations per minute, the other 240. What will be the ratio of their lengths ( I translated it sorry for mistakes)​

Answers

Answer:

360²

Explanation:

hoped this helped (ejfigueroa5 had the answer thank you to ejfigueroa5)

A crate is sliding down an inclined ramp at a constant speed of 0.55 m/s. The vector sum of all the forces acting on this crate must point down the ramp. True or false?

Answers

Answer:

False

Explanation:

Given: A crate is sliding down an inclined ramp at a constant speed of 0.55 m/s.

To find: whether the given statement is true or false

Solution:

As a crate is sliding down an inclined ramp at a constant speed of 0.55 m/s, net force is equal to 0 and so, the vector sum of all the forces acting on the crate can't point anywhere.

So, the given statement is false.

What is necessary for a metallic bond to form?

The atoms should be in close proximity.
The atoms should be far apart.
The electrons must be attracted to each other.
The nuclei must contain neutrons.

Answers

Answer:

It is B The atoms should be far apart.

Explanation:

I did Ed test :)

Answer:

The answer is B, The atoms should be far apart

Also i think that they both needed to be metals as well, but that is not included

Explanation:

Kim sees a dog jump onto the road. Her response time before she hits the brakes is 0.3 seconds. How far will her car travel during her response time if she is moving at 20 m/s?

Answers

Answer:

6 seconds i think

Explanation:

The speed required of a military jet when taking off from the deck of an aircraft carrier is dependent upon the speed of the carrier and the speed of the wind into which the carrier is moving. The takeoff speed required of a military jet relative to the deck of the carrier is 45 m/s. Determine the acceleration which a military jet must have to take off from the 126-m long runway of the USS Ronald Reagan aircraft carrier.

Answers

9514 1404 393

Answer:

  8.04 m/s²

Explanation:

A suitable formula is ...

  v² = 2ad

  a = v²/(2d) = (45 m/s)²/(2(126 m))

  a ≈ 8.04 m/s²

The acceleration is about 8.04 m/s².

Which condition causes a hurricane to rotate?

a local storm surge
the Coriolis effect
several large waves
severe coastal flooding

Answers

Answer:

b

Explanation:

The Coriolis effect is a condition which causes a hurricane to rotate in a particular direction. Thus, the correct option is B.

What is the Coriolis effect?

Hurricanes are the enormous storms which come with a rotating wind speed of about 74 miles per hour. The rotating wind that swirls across the warm water of the tropics and also comes with a terrifying force.

The Coriolis force is an inertial or the fictitious force, which acts on the objects which are in motion within a frame of reference that rotates them with respect to an inertial frame. In a reference frame, with the clockwise rotation, the force acts to the left of the motion of the object. Whereas, in one with anticlockwise or counterclockwise rotation, the force acts to the right of the object. The deflection of an object due to this Coriolis force is called as the Coriolis effect.

Therefore, the correct option is B.

Learn more about Hurricane here:

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Complete the sentence to explain when waves interact.
Waves interact with
and other

Please help me! I will give brainiest answer to whoever responds within 5 minutes

Answers

Answer:

Waves interact with objects and other waves.

Explanation:

Neutrons have ____
- have positive charge
- are found in the nucleus
- orbit outside the atom
- are a special type of element

Answers

Answer:

opt B is correct

Explanation:

Are found in the necleus

If the spring constant is doubled, what value does the period have for a mass on a spring?

Answers

if spring constant is doubled, the mass on spring will be doubled as well. according to this formula, F=ke

k stands for spring constant and e stands for the length extended

The period T = 2 pi square root ( k / m )
If the spring constant k is doubled then T increases by a factor of square root 2 so it becomes (square root 2) * T

Pick a correct term to fill in the blank: kgm/s2, pounds, tons, kg
One Newton equals 0.225

Answers

Answer:

Pounds

Explanation:

Condensation raises the temperature of the vapor (True or False).

Answers

Answer:

true

Explanation:

Which set of experimental conditions would result in the least amount of force on the egg?
a. Drop a small egg from a height of 1 meter into a box of foam.
b. Drop a jumbo egg from a height of 10 meters on a hard surface.
c. Drop a jumbo egg from a height of 10 meters onto 1-inch foam.
d. Drop a small egg from a height of 1 meter into a box of foam.
e. Drop a small egg from a height of 10 meter into a box of foam.

Answers

A because it is the it is the it is the it is there ither iee dd

If the vector below is multiplied by 2, what will be its end point? 5 A. (-6,8) B. (6,8) C. (-6,4) D. (-3,4) SUBMIT E PREVIOUS O re to search​

Answers

Answer:

A

Explanation:

When you multiply a vector by a scalar the magnitude will change but the direction will not change.

I NEED HELP WITH THIS PHYSICS QUESTION

Answers

Answer:

im saying c but not sure if its right

Explanation:

a toy car that is 0.12 m long is used to model the actions of an actual car that is 6 m long. which ratio shows the relationship between the sizes of the model and the actual car?
a. 50:1
b. 1:50
c. 5:1
d. 1:5

Answers

Answer:

its b) 1:50 just did it on apex

Explanation:

a toy car that is 0.12 m long is used to model the actions of an actual car that is 6 m long. which ratio shows the relationship between the sizes of the model and the actual car?

a. 50:1

b. 1:50 this is right

c. 5:1

d. 1:5

All indicate that the universe is

A) rotating.
B) expanding.
C) shrinking.
D) at equilibrium.

Answers

Answer:

if its talking about earth then rotate I'll say

Answer:

universe is expanding

A cat walks 1.5km South and then 2.4km East. What is the total displacement of the cat?

Answers

Displacement = sq root ( 1.5 ^2 + 2.4 ^2) Km
Angle (east of South) = inv tan (2.4/1.5)

How do we detect the cosmic microwave background radiation?

Answers

In 1964, US physicist Arno Penzias and radio-astronomer Robert Woodrow Wilson rediscovered the CMB, estimating its temperature as 3.5 K, as they experimented with the Holmdel Horn Antenna.

The weight of a boy having a mass of 50 kg is __N.
???

Answers

Answer: 490N

Explanation:

Newton is the unit for force. Force = mass x acceleration

F=N m=50kg a=9.8 (earth's acceleration of gravity)

F=50X9.8

F≈490N

What is step one of a star called?​

Answers

Answer: Stage 1- Stars are born in a region of high density Nebula, and condenses into a huge globule of gas and dust and contracts under its own gravity. This image shows the Orion Nebula or M42 . Stage 2 - A region of condensing matter will begin to heat up and start to glow forming Protostars.

Explanation:

A bicyclist is initially traveling at 3 m/s. The bicyclist accelerates at 1 m/s2 for 5 seconds.

a. What is the bicyclist’s final velocity?

b. What is the distance traveled?
(Whoever answers first will be marked the brainliest)

Answers

The change in velocity is 5m/s which added to the initial 3m/s makes the final velocity 8m/s

Distance = (3*5) + (1/2*1*5^2)= 15+12.5= 27.5m

you must record your daily work outs on a?
A. activity chary
B. journal
C.calendar
D. fitness log

Answers

Answer:

D. Fitness log

Explanation:

because you are working out it would me the most since to use something specifically for work outs and exercise

Answer fitness log

Why
Because your working out and your gonna record your work outs which I’m sure a fitness log is for that

which is the hottest planet

Answers

Answer:

venus

Explanation:

its the closest to the sun

could you plz vote me brainliest? thx :)

Answer:

Venus because it really close to the sun.

Explanation:

1. Martha bought a six pack of soda on Thursday. She promised her neighbor, Mr. Jimmy, that she would save the cans for him. What are they doing to help our ecosystem?

Answers

Answer:

They are helping the ecosystem

Explanation:

They are helping the ecosystem by making sure those cans are going to be either

a) recycled properly

b) up-cycled for a project of some sorts

A rock is thrown downwards from the edge of the Grand Canyon. With what velocity will it hit the donkey-riding tourist who is 40 m below?​

Answers

Final velocity= 28 m/s

Explain the conversion of energy in a roller coaster. Explain how energy is converted

Answers

As the rollercoaster goes up. kinetic energy changes to gravitational potential energy. When it moves back down, gpe changes back to ke.

what is food poisoning ?​

Answers

Answer:

salmonella and from eating raw food

Explanation:

Answer:

Food Poisoning is bad very bad. You can get the following sicknesses:  cramping, nausea, vomiting, or diarrhea. It usually comes from food that has a lot of Germs in it, Bacteria, Viruses, etc. But it is not usually something that can kill you, just go to your doctor and they might give you medicine to stop the Poisoning.

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