1. If a stone is thrown vertically upward frosthe surface of the moon with a velocity of 10 meters per second (m/s), its height (in m) after t seconds (s) is h= 10t-0.83F. a. What is the velocity of the stone after 3 s? b. What is the yelocity of the stone if it has risen by 25 m?

1. If a stone is thrown vertically upward frosthe surface of the moon with a velocity of 10 meters per second (m/s), its height (in m) after t seconds (s) is h= 10t-0.83F. a. What is the velocity of the stone after 3 s? b. What is the yelocity of the stone if it has risen by 25 m?

Mathematics For Machine Technology

8th Edition

ISBN:9781337798310

Author:Peterson, John.

Publisher:Peterson, John.

Chapter47: Applications Of Formulas To Cutting Speed, Revolutions Per Minute, And Cutting Time

Section: Chapter Questions

Problem 40A: Compute the following problems. Express the answers to 1 decimal place. Use: T=LFN Cast iron, 312...

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Question

B. Answer the following problems. Show your complete solutions.
1. If a stone is thrown vertically upward frort the surface of the moon with a velocity
of 10 meters per second (m/s), its height (in m) after t seconds (s) is h= 10t-0.83F.
!!
a. What is the velocity of the stone after 3 s?
b. What is the velocity of the stone if it has risen by 25 m?
2. A spherical balloon is being inflated. Find the rate of increase if the surface area
(S = 4nr) with respect to the radius r are the following:
a. 0.3 m
b. 0.61 m
C. 0.91 m

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