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3. A small 0.2 kg bouncy ball with a speed of 10 m/s to the left approaches head-on alarge door at rest. The ball bounces straight back with a speed of 8 m/s.a. What is the change in momentum of the ball?
asked
Nov 27, 2023
Physics
college
1
answer
223k
views
A scientist measures the standard enthalpy change for the following reaction to be -139.5 kj : h2(g) + c2h4(g)c2h6(g) based on this value and the standard enthalpies of formation for the other substances,
asked
Nov 3, 2023
Chemistry
high-school
1
answer
160k
views
The early Romans were polytheistic. Their gods were based on Egyptian gods. True or False?
asked
Oct 26, 2023
History
high-school
1
answer
122k
views
write in algebraic expression1) quotient of a number b and 36 2) 45 divided into a number r3) sum of 21 and a number x4) a number z less 19 5) a number f divided by 6
asked
Oct 3, 2023
Mathematics
college
1
answer
167k
views
For the oxidation of ammonia 4NH3+3O2⟶2N2+6H2O it was found that the rate of formation of N2 was 0.27 mol L–1 s–1. At what rate was O2 being consumed?
answered
Aug 17, 2023
Chemistry
college
1
answer
233k
views
Which BEST describes the relationship between the two triangles? A. The triangles are a reflection of each other and are congruent by side-side-angle. B. The triangles are a reflection of each other and
answered
May 7, 2023
Mathematics
college
1
answer
83.6k
views
Kendra invests $18,000 in a partnership with three other partners. The total investment of the partners is $30.000. What percent of the business is owned by the three other partners?
answered
Apr 21, 2023
Mathematics
college
1
answer
48.7k
views
What is the job of a scientist why do scientits need government funding
answered
Feb 11, 2023
Chemistry
college
2
answers
119k
views
Help 3837373737383333
answered
Jan 31, 2023
Mathematics
college
1
answer
167k
views
In ΔUVW, w = 5.3 inches, v = 3.6 inches and ∠V=32°. Find all possible values of ∠W, to the nearest 10th of a degree. Answer: 51.3∘ and 128.7∘ DeltaMath
answered
Dec 16, 2022
Mathematics
high-school
2
answers
129k
views
Question 1 The face of each stone on a walkway was shaped like a trapezoid shown below. What is the area of the trapezoid? Select one: 28 square inches 132 square inches 264 square inches 66 square inches
answered
Nov 28, 2022
Mathematics
high-school
1
answer
198k
views
PETS Each month Travis spends $20 for premium food$10 for treats $18 for grooming, and $3 for toys for his pet. Write an expression that could be used to determine the amount he spends on these items for
answered
Oct 29, 2022
Mathematics
college
1
answer
151k
views
How many odd three-digit numbers have three digits different?
answered
Oct 23, 2022
Mathematics
high-school
1
answer
233k
views
What is −3 × 6 − 8 ÷ 4? Answer in numbers.
answered
Oct 22, 2022
Mathematics
college
2
answers
100k
views
Write the equation of the line that passes through the points (- 8, - 6) and (- 8, 7) . Put your answer in fully reduced point-slope form , unless it is a vertical or horizontal line.
answered
Aug 10, 2022
Mathematics
college
1
answer
89.0k
views
What is the role of internal auditors
answered
Jul 25, 2022
Business
high-school
2
answers
111k
views
Answer the question in the photo (number 1) Please help I really need to finish this by today
answered
Jul 2, 2022
Mathematics
high-school
1
answer
12.4k
views
18 – 12 + x = 10 What value of x makes the equation true?
asked
Jun 28, 2022
Mathematics
middle-school
1
answer
127k
views
How does solar energy affect climate?
answered
Jun 25, 2022
Chemistry
high-school
1
answer
70.2k
views
What is the slope between the points (2, 3) and (-1, 12)
answered
Jun 21, 2022
Mathematics
high-school
2
answers
140k
views
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