Answers by Robert Brooks
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Answers by Robert Brooks

Answers by Robert Brooks
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The total mechanical energy of the roller coaster cart below at Point A is 180,000 J. The speed of the cart at Point B is +20 m/s. Assume no energy is lost due to dissipative forces such as friction. A)
answered Dec 21, 2023
25 votes
338k views
What are some benefits of learned optimism? a. a potentially longer life b. all of these c. being happier d. less illness
answered Oct 19, 2023
18 votes
227k views
The graph of a function f is shown below find f(3) (please help!)
answered Oct 6, 2023
12 votes
3.8k views
A digital camera is on sale for 440$. This price is 18% off the original price. What was the original price? Round to the nearest cent.
answered Oct 3, 2023
14 votes
62.2k views
My brain has gone completely dead and I need help on like, all of these questions
answered Mar 28, 2023
22 votes
76.1k views
A Bee Hummingbird has a mass of 0.0018 kg. What is the mass of the hummingbird in grams?
answered Mar 3, 2023
19 votes
22.3k views
Evaluate the expression when n=3.
answered Aug 21, 2022
15 votes
461k views
Identify all sets to which the number below belongs: natural whole integer rational irrational - 12 (3)/(4) ​
answered Mar 20, 2022
26 votes
281k views
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