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3 years ago

PLS HELP! I WILL GIVE BRAINLIEST TO FIRST ANSWER

Physics

2 answers:

Ivenika [448]3 years ago

6 0

The distance they have gone with hours

lana66690 [7]3 years ago

4 0

Answer:

Explanation:

Object A moves with variable speed and Object B moves with constant speed.

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16. A Jet airliner is crossing the United States from New York to San Francisco going at a velocity

geniusboy [140]

Answer:C

Explanation:

4 0

3 years ago

What is the difference between speed and velocity?

avanturin [10]

Answer:

speed is the rate of change in distance thus it is scalar physical quantity

while velocity is the rate of change in displacement thus it is a vector physical quantity

Explanation:

vector physical quantity: is a quantity that requires both magnitude and direction to identify

scalar quantity: requires only magnitude to identify.

6 0

3 years ago

Ender and Shen are flying at each other during a battle in space. Ender moves with a velocity v1 of 12 m/s and Shen, with a mass

Shalnov [3]

Answer:

Ender's mass = 2.25 kg

Explanation:

using law of conservation of momentum .

since there is inelastic collision

given.

$let \ \ m_{1} = m \\m_{2} = 45 kg \\v_{1} = 12 m/s \\v_{2} = 9 m/s \\\\V_{3} =6.4 m/s\\using \ \ \\m_{1}v_{1} + m_{2}v_{2} = (m_{1} +m_{2})V\\m\times12 + 45\times9 = (m+45)\times6.4\\64m -12m = 405 -288\\52m =117\\m =\frac{117}{52}\\m =2.25kg$

6 0

3 years ago

Celina has a water sample that's contaminated with salt and microorganisms. Which method should she use to purify the water.

sergiy2304 [10]

She should filter the water with carbon and oxygen

7 0

3 years ago

Read 2 more answers

You have been offered an admission to a senior high school to persue a programme you like. Write a letter to the headteacher of

Anna [14]

Answer:

Find the letter below.

Explanation:

1237 Richmond Avenue,

Houston, Texas,

U.S.A.

3rd May, 2021.

The Principal,

Carnegie Vanguard High School,

Houston, Texas,

U.S.A.

Dear Sir,

APPRECIATION FOR THE ADMISSION OFFER IN YOUR SCHOOL

I humbly write this letter to express my sincere appreciation for the offer of admission in your highly esteemed institution of learning. The admission letter states that I was admitted to pursue a programme in Computer Science and this is a source of great delight for me. The opportunity is a unique one because I stand a great chance of acquiring deeper knowledge of programming software that will prove invaluable to me in my future career.

Over the years, I have been particularly thrilled with all the inventions that have been made possible with information technology and programming of many useful software. These inventions have made life a lot easier, hence my interest in getting the required knowledge that will enable me to contribute my quota to the society.

This programme will also afford me the opportunity to relate with seasoned professionals in the field of Information Technology. When in contact with these professionals, I hope to ask them several questions on programming, the technicalities involved in it, and what is obtainable in the real-world scenario. Armed with these pieces of information, I believe that the programme will shape me to be an excellent professional that will be useful to the society.

Once again, thank you for this very special opportunity. I hope to fully maximize the privilege.

Yours Sincerely,

Jessica Liam.

5 0

3 years ago