what would be Vy and pllzzzzzzz help

Answer:

2400m/s , 2240,2080,1920m/s

why does an elliptical galaxy look like one giant star

You used a telescope and other mathematics to discover that Jupiter is 5. 20 au from the sun. Use the equation to find its orbital period. Round to the nearest tenth of a year. Jupiter’s Orbit: years.

Are these pictures below an example of reflection or refraction?

The Sankey diagrams below show the energy transfers in two light bulbs. What is the efficiency of light bulb 2? Give your answer to the nearest 0.5 percent

explique o que você da frase:"não somos seres humanos passando por uma experiência espiritual... somos seres espirituais passando por uma experiência humana

Could someone please help me

You receive a generic email notification about an issue with the delivery of a recent order. You’re instructed to click on a link included in the email for further information about the order. When you click, it opens a webpage which asks for your account username and password before you can view the information. Which of the following is the biggest red flag in this scenario?
A. There is an issue while delivering your order.
B. The email you received was a generic notification.
C. The information about the delivery problems is not contained in the email.
D. Your username and password are required to view the information.

if temperature is constant, the relationship between pressure and volume is

how to find total internal reflection

Which event demonstrates electromagnetic waves transferring energy?.

Trong chân không khi hai điện tích cách nhau lần lượt là d và d+10cm thì lực tương tác điện giữa chúng có độ lớn tương ứng là 2.0-6 N và 5.10-7 N tính giá trị của d

what is the rotational kinetic energy of the earth? assume the earth is a uniform sphere. data for the earth can be found inside the back cover of the book.

Jorge is driving along Route 120 at a speed of 25 m/s. Seeing a red light ahead, he applies the brakes and comes to rest in 3.7 seconds. What is
his rate of acceleration?

pls help the image is down below

A race car traveling at 10 meters per second accelerates at a rate of 1.5 meters per second squared while travelling a distance of 600 meters. The final speed of the race car is approximately

Describe what it means to view something from a frame of reference.Give an example to illustrate your explanation.

NEED HELP!!! ANSWER THESE 5 QUESTIONS FOR 25 POINTS!!!! PLEASE ANSWER!! I WILL GIVE YOU BRAINLIEST

1. Therese plays lacrosse, but she has injured her ankle and has to take a few weeks off. She is finding that she has a lot of trouble sleeping since she is no longer practicing several days a week. What BEST explains this?
A.
She needs regular exercise to move oxygen through the blood.
B.
She clearly requires more exercise than most people to relieve stress.
C.
She is not releasing the endorphins that she used to, and that impacts her sleep.
D.
She is likely not maintaining the healthy habits that she did when she was practicing.


2. Imagine that you are running and want to track your heart rate. What is the easiest way to do this?
A.
Check your pulse at the wrist or neck.
B.
It can’t be done without special equipment.
C.
Close your eyes and count to 30 very slowly.
D.
Take off your shoe and check the top of your foot.


3. Guillermo has decided that he wants to be healthier, so he starts jogging. He has been at it for a week, but he is getting frustrated because he cannot run very far without getting out of breath. He is beginning to think that this is not a good exercise for him since he is not very good at it. What BEST explains why Guillermo is struggling?
A.
He probably does not have good form when he is exercising.
B.
He likely has heart or lung problems that he was not aware of.
C.
He does not have much endurance since he is new to exercise.
D.
He is just not good at jogging and needs to try something else.

4. Li Wei loves cardio and finds it very easy to fit into his schedule. Because he knows it is important to diversify his exercise routine, sometimes he runs and other days he rides his bike. What else should Li Wei consider regarding his routine?
A.
He should add some strength training.
B.
He needs to add one more form of cardio.
C.
He has too much cardio and should cut half of it.
D.
His program works for him, so he should not change it.


5. Jamar has decided that he is going to train for a marathon. He knows that it will take a lot of training, and that he will need to build his muscles. What part of the muscle does he need to build?
A.
oxygen levels
B.
fast twitch fiber
C.
slow twitch fibers
D.
large muscle mass


PLEASE NO LINKS

Thea uses a hairdryer to dry her hair. The hairdryer has an efficiency of 0.5 and the total input energy is 180 kJ. How much of the energy supplied is wasted? Give your answer in joules

A car weighs 3,000 kg. What is the momentum of a car travelling at 60 km/h?

i am asking this question again because the quality of the pictures. answer the following 2 questions :)

Is the daughter or the science teacher correct? And why?

An object is thrown upwards with a velocity of 15 m/s. How long will the ball take to reach it’s starting point ?

Highest common factor of 12r and 10

Solve the science problem

A chemical lab isolates a gaseous element from the atmosphere that does not form chemical compounds. In which group of the periodic table is this element most likely found?

A. 18

B. 17

C. 1

D. 2​

A 400g ball moving toward the east at 3.7m/s suddenly collides head-on with a 200g ball sitting at rest. Determine the velocity of the first ball just after collision

Lichens are not single organisms, but algae and fungi that function together. The algae use photosynthesis to make food for both organisms. The fungi produce digestive chemicals and absorb nutrients for both organisms. How does the biological activity of lichens cause weathering in rocks? Answer options with 4 options A. Lichens cause friction as they grow, which weathers the rocks. B. Lichens produce chemicals, which dissolve and weather the rocks. C. Lichens take in water, which freezes in cracks and weathers the rocks. D. Lichens absorb heat during photosynthesis, which weathers the rocks.

In this closed system, a dog has sprinted to the top of a cliff. The dog (mass of 25kg) had been sprinting with a velocity of 13m/s. Using what you know about potential and kinetic energy in systems, how tall is the cliff?

Given:

mass =
height =
velocity =
Formula for a closed KE/PE system:

Plug in the numbers:

Answer (with Units):

transivity, reflexivity, and identity refer to what kind of reasoning?

9. A car of 1200 kg is rolling down a hill. When the car reaches a momentum of 7800 kg
m/s, what is its velocity?