Questions by David Refoua

Questions by David Refoua

A small spaceship whose mass is 1300 kg (including an astronaut) is drifting in outer space with negligible gravitational forces acting on it. If the astronaut turns on a 11 kW laser beam, what speed will

asked May 27, 2022

1 answer

0 votes

30.6k views

Identify which is the result of a physical rather than a chemical change?

asked Mar 10, 2022

1 answer

17 votes

149k views

I NEED THIS NOW Yasmeen uses 18 meters of a ribbon to make hair bows. She will cut the ribbon equally into 8 pieces. What is the length in meters of each piece of ribbon? (Solve by using Standard Algorithm

asked Jan 19, 2022

1 answer

11 votes

143k views

Work out the circumference of this circle. Give your answer in terms of 3.142 r=6 mm

asked Dec 5, 2021

1 answer

1 vote

159k views

It is your parent's 25th Wedding Anniversary and you thought it would be special to throw them a surprise party. Your entire family is up north at your Traverse City cottage (240 miles from your home)

asked Oct 16, 2021

1 answer

2 votes

160k views

On Wednesday Mr. Miles walked in right at 9/10 of the trail then he walked one eights of the trail back and you stop to rest what fraction of the course with Mr. Miles from the beginning of the trail when

asked Aug 2, 2021

1 answer

2 votes

13.2k views

In 1986 the prime minister of which European country was assassinated on his way home from the cinema with his wife? Who was assassinated?

asked Jul 23, 2021

2 answers

2 votes

99.8k views

Which of the following do lewis structures help us understand?

asked Jul 22, 2021

2 answers

1 vote

230k views

A situation that arises when all alternative choices or behaviors have been deemed undesirable because of the potentially negative ethical consequences, making it difficult to distinguish right from wrong,

asked Jun 22, 2021

1 answer

5 votes

6.4k views

Classify the pair of angles (1 point) A.adjacent B.complementary C.supplementary D. None of these I don't know how to add pictures, but there is one 30 degree angle next to another 30 degree angle

asked Oct 5, 2020

1 answer

0 votes

230k views

A ball has a mass of 0.0935 kg just before it strikes the Earth after being dropped from a building 39.8 m tall. What is its de Broglie wavelength? The acceleration of gravity is 9.8 m/s 2 and Planck’s

asked Aug 25, 2020

1 answer

2 votes

133k views

Please answer this correctly

asked Mar 27, 2020

1 answer

1 vote

23.3k views

Which phrase CORRECTLY describes the use of a native North American plant product to treat a disease introduced to North America from Africa and Europe? A) coca cured measles B) coca cured smallpox C)

asked Feb 2, 2020

2 answers

0 votes

162k views

A bag contains 5 red balls and 5 blue balls. how many ways can we pick 3 red balls and 2 blue balls from this bag?

asked Apr 19, 2019

1 answer

2 votes

209k views

Round off 8,489,600 to the nearest thousand.

asked Dec 9, 2018

2 answers

4 votes

3.7k views

A client with bladder cancer has gross hematuria. The client’s hemoglobin is 8.0 g/dL (80 g/L), and the health care provider (HCP) prescribes a unit of packed blood cells. The client has an

asked Aug 21, 2018

1 answer

0 votes

136k views

When was Kurt Cobain born?

asked Aug 14, 2018

2 answers

3 votes

44.8k views

Find the sum of the infinite geometric series with first term 5 and common ratio 1/7

asked Apr 26, 2018

1 answer

5 votes

234k views

Andres made an appointment to meet with a representative from his district. He wants to request funding on behalf of a local parents and students' group to build a baseball field at the county park. Andres'

asked Apr 13, 2018

2 answers

5 votes

198k views

What is the baby boom generation? A. a generation of World War II American soldiers B. a demographic bulge in the population following World War II C. a generation of babies infected by environmental toxins

asked Aug 25, 2017

2 answers

4 votes

30.5k views

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