Questions by Xingzhou Liu

Questions by Xingzhou Liu

Bumper car A (281 kg) moving at 2.82 m/s makes an elastic collision with bumper car B (209 kg) moving at 1.72 m/s. What is the velocity of car B after the collision? a) 0.61 m/s b) 2.11 m/s c) 4.54 m/s

asked Dec 15, 2024

1 answer

3 votes

60.6k views

Why did European Powers aligned In to hostile Camps at the eve of The First World War:

asked Nov 5, 2024

2 answers

4 votes

41.9k views

Who is responsible for maintaining records and keeping track of hours for postgrad supervision?

asked Oct 27, 2024

1 answer

3 votes

111k views

A football has a radius of 8 cm. What is the surface area of the football?

asked Oct 18, 2024

1 answer

1 vote

147k views

Reasoning about an association between variables in a survey, 15 high school students said they could drive, and 15 said they could not. Out of 60 college students surveyed, 30 said they could drive. Micah

asked Sep 1, 2024

1 answer

1 vote

6.1k views

Question 8 (1 point) What is the main difference between the Practical Aesthetics acting technique and other approaches? O a Ob Oc Od repetition naturalism method script analysis

asked Aug 26, 2024

1 answer

1 vote

165k views

What is the most effective method for controlling shrinkage cracking in concrete? 1) Providing joints (contraction joints) 2) Higher strength 3) More water 4) Added cement

asked May 19, 2024

1 answer

4 votes

86.8k views

Write an equation of the line passing through the points (3,9) and (-2,-21)

asked May 4, 2024

1 answer

5 votes

7.3k views

A hemispherical bowl of internal radius 9 cm is full of water. Its contents are emptied into a cylindrical vessel of internal radius 6 cm. Find the height of water in the cylindrical vessel.

asked May 3, 2024

1 answer

2 votes

207k views

Which of the following is most representative of a portfolio assessment? A. A teacher's anecdotal records about students' reading behaviors B. A student's laboratory report on a science experiment C. A

asked Jan 4, 2024

1 answer

3 votes

8.1k views

Nous ne __________ pas arriver en retar . (devoir) What is the correct form of the verb in parenthesis

asked Aug 6, 2023

2 answers

19 votes

157k views

Find the perimeter and area of the following figure. 10 ft 5 ft 8 ft 3 ft

asked Jul 9, 2023

1 answer

24 votes

52.8k views

Help please 15 points need by the end of today

asked Apr 7, 2023

2 answers

3 votes

34.6k views

PLEASE HELP!! THIS DUE IN 10 MINUTES

asked Dec 19, 2022

2 answers

1 vote

106k views

Ali bought 20 dozen oranges 10% of them were rotten. How many oranges were good ?

asked Dec 11, 2022

1 answer

5 votes

11.3k views

What is probability notation

asked Nov 20, 2022

1 answer

24 votes

91.2k views

The question is in the picture

asked Aug 26, 2022

1 answer

10 votes

28.8k views

A company bought 7 machines. Each machine weighs 642.4 pounds. How many pounds do the 7 machines weigh altogether?

asked Jul 12, 2022

1 answer

3 votes

108k views

Find ULE in the triangle

asked Jul 9, 2022

2 answers

24 votes

229k views

Are all isosceles triangles similar? Are all right triangle similar? Are all isosceles right triangles similar? Explain. Please don't answer with one answer, blank or a ridiculous response. This is serious

asked May 5, 2022

1 answer

0 votes

172k views

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