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With each bounce off the floor, a tennis ball loses 23% of its mechanical energy due to friction. When the ball is released from a height of 2.5 m above the floor, what height will it reach after the third
answered
Dec 13, 2020
Physics
high-school
4
votes
133k
views
Select the best answer for the question. 5. A runner is running the 60-meter dash, which is an oxygen-deficie of energy is the runner's body using to power through the race? O A. Catabolic O B. Aerobic
answered
Oct 7, 2020
Biology
high-school
2
votes
78.0k
views
Female bankers earn $4190, male bankers earn $3860. How much more did female bankers earn than male bankers as a percentage of median earnings?
answered
Apr 15, 2020
Mathematics
middle-school
3
votes
226k
views
For the first 3% of Hanna's salary, her employer matches 100% of her 401(k) contributions, and from 3% to 12%, Hanna's employer matches 50% of her 401(k) contributions. Hanna's salary is $40,000, and last
answered
Feb 18, 2020
Mathematics
high-school
5
votes
209k
views
Use graphing to find the solutions to the system of equation x^2-y=4 2x+y=-1
answered
Jan 17, 2020
Mathematics
middle-school
5
votes
201k
views
You are a biologist on a trip to an island in the south pacific. while on the island, you are allowed to collect dna samples from a local species of rat that resembles a species seen on a nearby continent.
answered
Sep 28, 2019
Biology
high-school
2
votes
132k
views
Please help me i need help please please
answered
Sep 21, 2019
Mathematics
middle-school
4
votes
862
views
Who is the prime minister of Nepal
answered
May 17, 2019
Social Studies
middle-school
4
votes
207k
views
What do you think the stockman meant by "taking out a dog's license"?
answered
Mar 20, 2019
Social Studies
high-school
5
votes
98.2k
views
Mr. Salazar every day for 6 days : He ran a total of 40 miles. : He ran the same number of miles each day How many miles did Mr. Salazar run each day? A. 20/3 B. 20/6 C. 6/20 D. 3/20
answered
Mar 15, 2019
Mathematics
middle-school
5
votes
107k
views
The mugger bantered the old lady and ran away with her purse what an other word for bantered
answered
Aug 31, 2018
English
middle-school
5
votes
123k
views
How are the O and A horizons similar? They both contain organic material. They are both found below the B horizon. They are both very dense layers of soil. They are both part of the subsoil layer.
answered
Aug 21, 2018
Geography
high-school
4
votes
135k
views
What are the respective values of x, y, and z for parallelogram ABCD? A . 56.31°, 67.38°, 67.38° B. 67.38°, 33.69°, 67.38° C. 28.15°, 56.31°, 33.69° D. 56.31°, 56.31°, 67.38°
answered
Jul 23, 2018
Mathematics
high-school
2
votes
5.8k
views
Like girls in many other Latin American countries, Ecuadorian girls enjoy a big celebration on their fifteenth birthday to officially present them to society. This coming-out party is called the:
answered
Mar 28, 2018
Spanish
middle-school
5
votes
137k
views
A cold air mass moving into an area occupied by relatively warm air is called a(n):
answered
Feb 12, 2018
Geography
high-school
6
votes
96.9k
views
Sensory details are intended to impact the __________ of the audience. exposition tone imagery mood
answered
Oct 13, 2017
Social Studies
high-school
2
votes
170k
views
Four modern playwrights are: _____.
answered
May 29, 2017
History
high-school
2
votes
77.1k
views
In parasitism, the organism that is helped is called the ______ while that which is harmed is called the ______.
answered
May 8, 2017
Biology
high-school
2
votes
123k
views
Classifying Reactions Safety Reminder: Wear safety glasses and use ammonia in a well-ventilated area. Day 1 Materials: Part I: steel wool tweezers vinegar small jar or drinking glass water small bowl Part
answered
Mar 24, 2017
Chemistry
high-school
7
votes
165k
views
Matthew Collins was a U.S. citizen during World War I. He printed and passed out fliers explaining why he was against the draft (required military service). He was charged with violating the Espionage
answered
Feb 25, 2017
History
middle-school
5
votes
221k
views
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