Physics Middle School

I need help for physics please

I Need Help For Physics Please

Answers

Answer 1

Answer:

5 mph, 90 meters per hour, 270 cm per hour

Explanation:

1. 5mph

20 x 0.5 = 10 miles

10 miles divided by 2 hours = 5 miles per hour

2.  90 meters per hour

20 minutes is 1/3 of an hour

30 x 3 = 90 meters in an hour

3. 5.5 cm per minute, 270 cm an hour

65-10 = 55 cm

55 / 10 = 5.5

Related Questions

How does the sun create heat?


When will the sun start losing energy?


How did the sun get created?


EXPLAIN PLEASE !! ILL GIVE BRIANLOUS!!

Answers

Explanation:

sun was created through the hypothesis

Answer;

Answer of Question:1

The core of the sun is so hot and there is so much pressure, nuclear fusion takes place: hydrogen is changed to helium. Nuclear fusion creates heat and photons (light). The sun's surface is about 6,000 Kelvin, which is 10,340 degrees Fahrenheit (5,726 degrees Celsius).

Answer of Question:2

in about 5 billion years, the sun will run out of hydrogen. Our star is currently in the most stable phase of its life cycle and has been since the birth of our solar system, about 4.5 billion years ago. Once all the hydrogen gets used up, the sun will grow out of this stable phase.

Answer of Question:3

Formation. The Sun and the rest of the solar system formed from a giant, rotating cloud of gas and dust called a solar nebula about 4.5 billion years ago. As the nebula collapsed because of its overwhelming gravity, it spun faster and flattened into a disk. ... Like all stars, the Sun will someday run out of energy.

I am begging for help plssss
Subject A (without diabetes)

Food type

Starting blood glucose level (mg/dL)

Blood glucose level after 1 hour (mg/dL)

Blood glucose level after 2 hours (mg/dL)

Blood glucose level after 3 hours (mg/dL)

Candy Bar

100







Salted Peanuts

100







American Cheese

100







Orange Smoothie

100









Subject B (with type 1 diabetes)

Food type

Starting blood glucose level (mg/dL)

Blood glucose level after 1 hour (mg/dL)

Blood glucose level after 2 hours (mg/dL)

Blood glucose level after 3 hours (mg/dL)

Candy bar

100







Salted Peanuts

100







American Cheese

100







Orange Smoothie

100

Answers

Answer:

You can get your answer from here. https://www.coursehero.com

(Safe Link)

The frequency of an x-ray wave is 3 Hz and its wave speed is 90 m/s. What is the x-rays wavelength?

Answers

The frequency is
=
2⋅10^18 Hz
Solution:
Frequency (f) = 3Hx
Wave speed ( v) = 90m/s
Wavelength. = ?
We know ,
v = frequency . Wavelength
or, 90 = 3 multiply wavelength
or, 90 = 3 wavelength
or, 90/3 = wavelength
or, 30 = wavelength
Wavelength = 30 m

How tall are the wind turbines?

Answers

Wind turn vinesThey are 328 ft

Please help me with this question: What do space probes do in space? Please explain your answer with 5 sentences or more.

Answers

Answer:

Explanation:A space probe is an unpiloted, unmanned device sent to explore space and gather scientific information. A space probe is launched from Earth with a set of scientific instruments and tools used to study the atmosphere and composition of space and other planets, moons, or celestial bodies.

A space probe is a device sent from earth to take in information about the atmosphere and the makeup of space. Not only does it study our atmosphere, but it also studies moons, and/or other celestial bodies. A space probe works by powering on as soon as contact is reached with a component surface. This provides the probe with accurate data. Space probes are able to move in space using either “thrusters” and/or “rotation wheels”.

This table shows experiments done by five scientists. Scientist Experiment Kyle cut a bar of gold in half Katie burned paper into ash Grace reacted acid and limestone together, forming carbon dioxide Isaac melted solid aluminum, forming liquid aluminum Caleb added oxygen to metal, forming rust Which three scientists have completed a chemical change? Kyle, Katie, Grace Katie, Grace, Isaac Katie, Grace, Caleb, Kyle, Isaac, Caleb

Answers

Answer:

Katie, Grace, Caleb

Explanation:

The other 2 only changed the state of matter.

Does anyone have any questions for force and motion? I need questions for speed, velocity, acceleration, distance/time graphs, speed/time graphs, newtons laws, and balanced/unbalanced forces.

Answers

Answer: I dont have a question but you have a fo.rt.ni.te pfp and Im guessing you play fort so add me my epic is qt-orange im NA_EAST

Explanation:

When a space shuttle was launched, the astronauts onboard experienced an acceleration of 29.0 m/s2 . If one of the astronauts had a mass of 60.0 kg, what net force in newtons did the astronaut experience?

Answers

F = m*a when F is force
m is mass and a is acceleration
F = 60 kg * 29 m/s2
F = 1740 N

Roger Federer serves a tennis ball with a velocity of 35.0 m/s. If the ball has a mass of 0.15 kg, what is the kinetic energy (KE) of the ball?

Answers

K.E.=mv^2/2=>
m=0.15
v=35m/s
0.15•35^2/2
183.75/2=91.87
Hope this helps. If it does give me the brainliest answer

Which of the following statements is true?

Thermal pollution is the main disadvantage of hydroelectric power.
The total amount of water in an ecosystem is always increasing.
Wood and water are nonrenewable natural resources.
The greenhouse effect is primarily caused by cars and trucks.

Answers

I think it’s d “The greenhouse effect is primarily caused by cars and trucks.”

Answer:

I think it’s d “The greenhouse effect is primarily caused by cars and trucks.”

Explanation:

Thermal pollution is the main disadvantage of hydroelectric power.

The total amount of water in an ecosystem is always increasing.

Wood and water are nonrenewable natural resources.

The greenhouse effect is primarily caused by cars and trucks.

What is different about the conditions when hail, snow, and sleet form compared to when rain forms?

Answers

Answer:

Sleet forms in winter storms, while hail is a warm-season type of precipitation. As noted above, sleet forms when snow melts in a warm layer and then refreezes into ice pellets as it falls though a cold layer. Hail, however, forms in spring, summer or fall thunderstorms.

Explanation:

Hail, snow, sleet, and rain are all forms of precipitation that form under different atmospheric conditions. The main difference between the conditions required for hail, snow, sleet, and rain formation is the temperature and the type of clouds involved.

What are Hail, snow, sleet, and rain?

Rain forms when the air temperature is above freezing and water droplets in the atmosphere combine to form larger droplets that are heavy enough to fall to the ground. This typically occurs in large cumulonimbus clouds associated with thunderstorms, where the upward motion of air currents keeps the droplets aloft until they grow large enough to fall to the ground.

Snow forms when the air temperature is below freezing and the water vapor in the atmosphere directly forms ice crystals instead of liquid droplets. These ice crystals then grow larger as they move through the atmosphere, eventually falling to the ground as snowflakes.

Sleet forms when the air temperature is near freezing and rain droplets fall through a layer of freezing air near the ground. The rain droplets freeze into ice pellets before hitting the ground.

Hail forms when the air temperature is warm near the ground, but there is a layer of cold air higher up in the atmosphere. This creates strong updrafts in thunderstorm clouds that carry rain droplets upward into the colder air, where they freeze into ice pellets. These pellets can then fall back into the warm air and melt slightly before being carried back up into the colder air, where they refreeze and grow larger. This process can repeat multiple times, creating hailstones of different sizes before they fall to the ground.

Therefore, the differences in atmospheric temperature, the presence of freezing air layers, and the type of clouds present all play a role in determining whether precipitation falls as rain, snow, sleet, or hail.

To learn more about the atmosphere click:

https://brainly.com/question/26767532

#SPJ2

Can y’all answer these questions pls?

Answers

Answer:

I don't know what this is. I haven't done this yet

same i didnt do it yet and its really small so i cant see sorry

Nanotechnology _____.

A). allows microscopic particles to inject medicine directly into cancer cells
B). focuses on the use of robots to perform surgical procedures
C). will eliminate the need for doctors
D). allows doctors to take high quality digital pictures inside the body

Answers

Answer:

B is the answer :]

Explanation:

How is going over the top of a rollercoaster like experiencing “weightlessness” in space?

Answers

At the speed your going and the turns you take, al of it together provides the weightlessness of space
Because you are free falling, like skydiving, or falling around the earth in orbit.

What is is the goal of both physical and behavioral adaptions ?
A To help an animal survive in its environment
B To put an end to the survival of weaker animals
C to avoid natural selection
D to increase the likelihood of being eaten by predator

Answers

it’s A .
- correct me if i’m wrong -
The answer is A!!! Correct me if I’m wrong

The nervous system which includes the
brain can control involuntary actions like
your breathing.

True or false?

Answers

Answer: The brain can do that soo true

Answer: true

Explanation: The brain helps to wake up systems like The medulla oblongata is the part of the brain stem. This is the part which is responsible for the control of involunatry function.

At one point in the video, someone is balancing a chemical reaction. The person writes a coefficient of 2 in front of Fe2O3 but then writes a 4 for the number of iron (Fe) atoms. Explain this difference.

Answers

There are 2 Fe ions in one Fe2O3 molecule. The coefficient is 2 so there are 4 iron atoms ( 2x2=4)

Please help With the question! Ill mark brainliest for whoever answers First.
Answer choices, Meteor, Comet, and Asteroid.)

Answers

I think it’s Asteroid

Answer: Asteroids

Explanation: space rubble

IntroductionAsteroids, sometimes called minor planets, are rocky remnants left over from the early formation of our solar system about 4.6 billion years ago. Most of this ancient space rubble can be found orbiting the sun between Mars and Jupiter within the main asteroid belt.

The mass of an object does not depend on its shape - it stays the same. Give an example that would prove this to be true.

Answers

Answer:

it depends on the density.

an object can be small but way more.

Explanation:

Scientists believe true commensalism may not exist because _____.

the second organism is probably helped or harmed in unknown ways
parasites are most likely helping their hosts in subtle ways
most organisms prefer to compete and do not like to help each other
evolution and adaptation keep the organisms from killing each other

Answers

Answer: Scientists believe true commensalism may not exist because

mostly all organisms live in either parasitic or mutual relationship.

Which piece of equipment is never used to play American Handball

Answers

Answer:

Explanation: The part of the wave he is traveling on is the crest

BRainliest if correct

2

Answers

Diagram B is correct, because light refracts when passes from one material to another.
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