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The position of a baseball (in ft) is represented by r(t) = 55 2 ti + (3 + 55 2 t − 16t2)j. Find the arc length of the trajectory (flight) of the baseball. (Let t = 0 represent when the ball is hit.
asked
Aug 14, 2024
Mathematics
high-school
1
answer
183k
views
How is cancer defined, meaning how do doctors decide what type of cancer patients have? A. by where it ends B. by where it spreads C. by where it starts
asked
Aug 9, 2024
Biology
college
1
answer
174k
views
The Pure Food and Drug Act and the Meat Inspection Act was the direct result of which of the following muckraking examples? A. Ida Tarbell's Articles in McClure's B. Jane Addams Settlement Houses C. Upton
asked
Aug 3, 2024
History
high-school
1
answer
31.7k
views
The temperature was -10 degrees Fahrenheit and dropped 16 degrees. Which statement represents the resulting temperature in degrees Fahrenheit? A. -10 + 16 = 6 B. 10 - (-16) = 26 C. -10 - 16 = -26 D. -10
answered
Jun 13, 2024
Physics
high-school
1
answer
135k
views
When a 7g sample of RbBr is dissolved in water in a calorimeter that has a total heat capacity of 2.38 kJ times K-1, the temperature decreases by .390 K. Calculate the molar heat of the solution of RbBr
asked
Apr 24, 2024
Chemistry
college
1
answer
120k
views
4. Zowie serves at a restaurant and makes 20% of what their sales as tips with base salary of $10.20 an hour. Each hour Zowie sells an average of $60 worth of food & drinks. They also make time and a half
asked
Dec 12, 2023
Mathematics
college
1
answer
196k
views
I NEED HELP ASAP! The two cylinders below are similar. What is the volume of the larger cylinder?
answered
Nov 7, 2023
Mathematics
high-school
1
answer
216k
views
Electrons further from the nucleus are partially shielded from the pull of the nucleus. True False
answered
Oct 21, 2023
Chemistry
college
2
answers
188k
views
Which of the following are correct TENER expressions? tener hambre (to be hungry) tener triste (to be sad) tener prisa (to be in a hurry) tener cuidado (to be careful) tener sano (to be healthy)
asked
Oct 10, 2023
Spanish
high-school
2
answers
132k
views
What is the primary purpose of socialization? O A. To train people how to act in acceptable ways O B. To teach people that their culture is better than others O C. To train people how to take care of others
asked
Jun 11, 2023
Advanced Placement (AP)
college
1
answer
164k
views
17) A Super Dogl flies by and has 1,780 Joules of Potential Energy. IfSuper Dog! is flying at an altitude of 15 meters, what is its mass?PS Must say Super Dog! in a superman voice. He is thegoodest of
asked
Apr 22, 2023
Physics
college
1
answer
128k
views
What is the value of the expression belowwhen y = 9 and z = 3?10y - 7z
asked
Apr 10, 2023
Mathematics
college
1
answer
77.3k
views
hi, can you please explain mistake made on one side the other side the correct work with the answer thanks
asked
Apr 9, 2023
Mathematics
college
1
answer
41.9k
views
How many countries have Spanish as there official language?
answered
Feb 6, 2023
Spanish
high-school
1
answer
95.1k
views
Traci spent hour eating breakfast and į hour helping clean up after breakfast. How much time did she spend in all? Give your answer in simplest form. hour Enter Plz help
answered
Nov 18, 2022
Mathematics
high-school
1
answer
33.8k
views
Aristole founded the lyceum in athens in 335 b.c./b.c.e. what was the lyceum
asked
Sep 18, 2022
History
high-school
1
answer
211k
views
Consider a mutual fund with $219 million in assets at the start of the year and with 12 million shares outstanding. The fund invests in a portfolio of stocks that provides dividend income at the end of
answered
Sep 17, 2022
Business
college
1
answer
9.3k
views
What is the value of x4y, when x = 16 and y = 2? 1/32 2 2 2/3 4
asked
Sep 2, 2022
Mathematics
college
1
answer
199k
views
g hoop rolls without slipping on a horizontal surface. The hoop has a mass m and radius r. What is the ratio of the hoop's translational kinetic energy to the hoop's rotational kinetic energy, KT /KR
answered
Aug 20, 2022
Physics
college
1
answer
31.6k
views
Solve the formula for the indicated variable. C = n + nsk, for s (Simplify your answer.)
answered
Aug 16, 2022
Mathematics
high-school
1
answer
66.7k
views
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