Answered: 35. /2.1 – V2 is larger than /9.1 – ỹ.

College Algebra

10th Edition

ISBN:9781337282291

Author:Ron Larson

Publisher:Ron Larson

Chapter3: Polynomial Functions

Section3.5: Mathematical Modeling And Variation

Problem 7ECP: The kinetic energy E of an object varies jointly with the object’s mass m and the square of the...

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Similar questions

The kinetic energy E of an object varies jointly with the object’s mass m and the square of the object’s velocity v . An object with a mass of 50 kilograms traveling at 16 meters per second has a kinetic energy of 6400 joules. What is the kinetic energy of an object with a mass of 70 kilograms traveling at 20 meters per second?
The half-life of magnesium-27 is 9.45 minutes. How much of a 10-mg sample will be left in 6 minutes?
A driver of a car stopped at a gas station to fill up his gas tank. He looked at his watch, and the time read exactly 3:40 p.m. At this time, he started pumping gas into the tank. At exactly 3:44, the tank was full and he noticed that he had pumped 10.7 gallons. What is the average rate of flow of the gasoline into the gas tank?
2. Linlo rode her scooter for 1/3 hour and traveled 2 1/6 kilometers. What is her average speed in kilometers per hour?
12. , 3x"(x122 – 1300) dx 13. 3x – 4x +1 dx
For a. I got v=16-1.6t and 1.6m/s^2, b. 10sec, c. 80m., e. 20sec I have know idea how to solve for (d.). The answer feedback stated to solve for t when the rock is at half it's height. The correct answer is 2.93, 17.07 but I have know idea the proper steps to get to it. can you help? This way when I try a similar problem I will understand how to solve part d. Thanks
Differentiate the function. u= (1/t -1/square root of t)^2
The µ is less than 10 mins per day
find the exact solution 40=3(1.15)^t
A bike accelerates at a rate of 2.0 m/s2, from rest, over a distance of 148 m. What is the speed of the bike when it has gone that distance? Round to 1 decimal place and don't include units.
Suppose the breaking strengths in tons of a steel cable of diameter d in inches is given by s = 4(6.5)^d. If an engineer wants a cable to have a breaking strength of 12 tons, what diameter cable (in inches) is needed? Round to the nearest hundredth.
Q5: how many milliters of sterile water of injection should be added to a vial containing 5 mcg /ml of a drug to prepare a solution containing 1.5 mcg/ml of the drug?

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