Physics Middle School

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Answers

Answer 1

Answer:

The answer is 1

Explanation:

good luck

Answer 2

The answer is the first one

Related Questions

help i give brainilest
Which is the function of the exoskeleton in animals? (2 points)

a. Produces the sperm used in reproduction
b. Protects against different weather
Protects against their environment's (this answer is incorrect so don't choose it stoopid)
d. Works with muscles to allow movement

Answers

Answer:

Explanation:

The Exoskeleton allows animals to move alot more freely.

The answer is D my friend

please help no trolls no links
How does the mass of a wheelchair influence the force needed to move it?

Answers

Answer:

When mass is greater, the force needed must be greater keeping the acceleration of the wheel chair constant

Explanation:

[tex]force = mass \times acceleration \\ f \: \alpha \: m[/tex]

force is directly proportional to the mass

The force needs greater keeping of the wheel chair

I NEED THIS A SOON AS POSSIBLE
Which spring has more potential energy stored?
a) 1.0 N/m constant spring stretched 0.2 m.

b) 2.0 N/m constant spring stretched 0.2 m.

c) 1.0 N/m constant spring stretched 0.3 m.

d) 2.0 N/m constant spring stretched 0.3 m.

Answers

Work is done when spring is extended or compressed. Elastic potential energy is stored in the spring. Provided inelastic deformation has not happened, the work done is equal to the elastic potential energy stored.

Answer: c) 1.0 N/m constant spring stretched 0.3 m.

Explanation:

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lnl HELP PLS

Answers

Answer:

It comes from the word "moon" and it is because it takes a full moon cycle around the earth to complete a month, around 30 days

It comes from the word moon

What improvements can be made by doing ladder drills on a regular basis? Increased Speed Increased Agility Increased Quickness All the above

Answers

Answer:

All of the above

Explanation:

Hope this helps

They improve three key fitness factors—speed, agility and quickness—in addition to strengthening your joints, ligaments and tendons. Incorporating agility ladder workouts into your fitness routine is also great for improving brain health

i need help someone answer, thanks!

Answers

Answer:

The third one.

Explanation:

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Answer:

3rd one

Explanation:

Because the drum vibrates in a way that produces compression waves. The other options provide other waves, or no waves at all.

HELP ASP PLEASED AND THANKS NO LINKS PLEASED AND NO FILES

Venn Diagram Alternative

Directions: Use the phrases in the word bank below to describe either analog signals, digital signals, or both. Write the phrase under the concept it represents.

Word Bank:

Transmitted as pulse

Used by landline telephones

Converted into binary code

More reliable

Used by computers

Continuous

Less Reliable

All electromagnetic waves

Intervals

Digital signals:

Analog Signals:

Both:

Answers

Answer:

just search up a ven-diagram and then try to draw it or trace it then use it for ur question

Explanation:

I NEED THIS A SOON AS POSSIBLE
NO LINKS(I'm doing this again bc someone sent a link in the other one)
Which spring has more potential energy stored?
a) 1.0 N/m constant spring stretched 0.2 m.

b) 2.0 N/m constant spring stretched 0.2 m.

c) 1.0 N/m constant spring stretched 0.3 m.

d) 2.0 N/m constant spring stretched 0.3 m.

Answers

Answer:

Im p sure the answer is A !

Explanation:

i need help i dont have a caculator that need to use for it sadly

Answers

Answer:

A) y = 1.3x + 10

Explanation:

2 Points on the graph by using x and y values:

(0, 10) and (10, 23)

Slope:

m= (y2-y1)/(x2-x1)

m= (23 - 10)/(10 - 0)

m= 13/10

m = 1.3

Slope-intercept:

y - y1 = m(x - x1)

y - 10 = 1.3(x - 0)

y - 10 = 1.3x

y = 1.3x + 10

A car is moving at 80km/h accelerates to pass a truck. Five seconds later the car is moving at 100km/h. What is the Acceleration of the car? Please show the equation, Ty.

Answers

Answer/Explanation:

Acceleration is the rate of change of the velocity of an object that is moving. This value is a result of all the forces that is acting on an object which is described by Newton's second law of motion. Calculation of such is straightforward, if we are given the final velocity, the initial velocity and the total time interval. We can just use the kinematic equations. Fortunately, we are given these values. So, we calculate as follows:

acceleration = v - v0 / t

acceleration = (80 mph - 50 mph) ( 1 h / 3600) / 5 s

acceleration = 1.67 x 10^-3 m / s^2

a = V2-V1 ÷ Δt
a = 27.78 m/s - 22.2 m/s ÷ 5 seconds
a = 1.116 m/s ²

*you needed to convert the km/h to m/s for proper evaluation, which is what i did*

Four beakers have water at 27 °C. A piece of metal is dropped into the water in each beaker. The table below shows the initial temperature of the four metals.

Metal Initial Temperature
A 30 °C
B 42 °C
C 25 °C
D 16 °C

I WILL GIVE BRAINLIEST AND 50 POINTS
Which metals will transfer heat to the water?
Metal A and Metal B
Metal B and Metal C
Metal C and Metal D
Metal B and Metal D

Answers

Answer:

Metal A and Metal B

Explanation:

because the temperature if the metals are higher than the temperature of the water

Answer:

A and B (Answer a)

Explanation:

helping the guy above get brainlist

Please Help! Brainliest For Correct Answers!

Answers

Answer:

Liquid: A

Plasma: D

Solid: B

Gas: C

Liquid- D
Plasma- A
Solid- B
Gas- C

What causes you to miss an object you reach for when looking at it at an angle through two media?

A. The eyes get confusing signals because they are interpreting information from two different places.

B. The brain gets confusing signals because it is used to interpreting light that moves through air.

C. The hands get confusing signals from the eyes because of the change in medium.

Answers

Answer: A. The eyes get confusing signals because they are interpreting information from two different places.

Step-By-Step Explanation: I know this is right because it has happened to me, and others multiple times.

Question:

What causes you to miss an object you reach for when looking at it at an angle through two media?

A. The eyes get confusing signals because they are interpreting information from two different places.

B. The brain gets confusing signals because it is used to interpreting light that moves through air.

C. The hands get confusing signals from the eyes because of the change in medium.

The answer to your question is A

An object of mass 100kg is moving with a velocity of 5m/s. Calculate the kinetic energy of that object

Answers

Answer:

1250 J

Explanation:

KE = 1/2(100 kg)(5 m/s)^2

KE = 1250 J

Given m=100kg
V=5m|s
Required KE=?
Solution KE=1/2mv^2
=1/2 100kg(5m/s)^2
=50kg*25(m/s)^2
=1250J

Listed in the Item Bank are some important labels for sections of the image below. To find out more information about labels, some have more details available when you click on them. Drag and drop each label to the corresponding area it identifies in the image.

Answers

1 - cytoplasm

2 - DNA

3 - rybosome

4 - cell membrane

5 - nucleus

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