13. A 6 ft tall man throws a shot put with an initial velocity of 55 ft/sec. t seconds can be modeled by s(t) = 6+55t- 16t2. a. Find the shot's velocity at time t. b. Find the shot's speed at time t. c. Find the shot's acceleration at time t.

13. A 6 ft tall man throws a shot put with an initial velocity of 55 ft/sec. t seconds can be modeled by s(t) = 6+55t- 16t2. a. Find the shot's velocity at time t. b. Find the shot's speed at time t. c. Find the shot's acceleration at time t.

University Physics Volume 1

18th Edition

ISBN:9781938168277

Author:William Moebs, Samuel J. Ling, Jeff Sanny

Publisher:William Moebs, Samuel J. Ling, Jeff Sanny

Chapter2: Vectors

Section: Chapter Questions

Problem 2.10CYU: Check Your Understanding Verify that vector v V obtained in Example 2.14 is indeed a unit vector by...

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13.

acopy of this exam, do the work on your own paper, and subBHit to he uopDOX. DU
ly, answers only will rarely be given credit (I understand that some problems only
13. A 6 ft tall man throws a shot put with an initial velocity of 55 ft/sec. The height of the shot after
t seconds can be modeled by s(t) = 6+55t- 16t2.
a. Find the shot's velocity at time t.
b. Find the shot's speed at time t.
c. Find the shot's acceleration at time t.
d. How long will it take the shot to hit the ground? Round the answer to the nearest tenth of
a second.
e. What is the velocity of the ball when it hits the ground?
14. Consider the curve defined by x²y2 -3x2-6y2 = 0.
dy
a. Use implicit differentiation to find :
dx

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The shot’s velocity v at t time is given with the help of following equation.

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