The goal of this activity is to see if you are comfortable with the derivative of trigonometric functions. Consider the following data: A steel ball is rolling along a 20-inch long straight track. After t seconds have passed, its distance from the midpoint of the track is measured in inches and it is given by d(t) = 3 sin(t). Think of the track as aligned from left to right. Positive distances mean the ball is to the right of the center; negative distances mean the ball is to the left of the center. Find a formula for the velocity of the ball after t seconds. Ov=3sin(t) ○v = 3 cos(t) Ov=-3 sin(t) Ov=-3 cos(t) What is the physical interpretation for a positive velocity? Select all options that apply. O The ball is moving to the left O The ball is speeding up. O The ball is moving to the right O The ball is slowing down.

Calculus: Early Transcendentals
8th Edition
ISBN:9781285741550
Author:James Stewart
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Chapter1: Functions And Models
Section: Chapter Questions
Problem 1RCC: (a) What is a function? What are its domain and range? (b) What is the graph of a function? (c) How...
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I need help on this complex calculus question which includes four parts
The goal of this activity is to see if you are comfortable
with the derivative of trigonometric functions.
Consider the following data:
A steel ball is rolling along a 20-inch long straight track.
After t seconds have passed, its distance from the
midpoint of the track is measured in inches and it is
given by
d(t) = 3 sin(t).
Think of the track as aligned from left to right. Positive
distances mean the ball is to the right of the center;
negative distances mean the ball is to the left of the
center.
Find a formula for the velocity of
the ball after t seconds.
Ov=3sin(t)
O v = 3 cos(t)
Ov=-3 sin(t)
Ov=-3 cos(t)
What is the physical interpretation
for a positive velocity?
Select all options that apply.
O The ball is moving to the left
O The ball is speeding up.
O The ball is moving to the right
O The ball is slowing down.
Transcribed Image Text:The goal of this activity is to see if you are comfortable with the derivative of trigonometric functions. Consider the following data: A steel ball is rolling along a 20-inch long straight track. After t seconds have passed, its distance from the midpoint of the track is measured in inches and it is given by d(t) = 3 sin(t). Think of the track as aligned from left to right. Positive distances mean the ball is to the right of the center; negative distances mean the ball is to the left of the center. Find a formula for the velocity of the ball after t seconds. Ov=3sin(t) O v = 3 cos(t) Ov=-3 sin(t) Ov=-3 cos(t) What is the physical interpretation for a positive velocity? Select all options that apply. O The ball is moving to the left O The ball is speeding up. O The ball is moving to the right O The ball is slowing down.
How far from the midpoint of the
track does the ball get?
7 inches
π/2 inches
10 inches
3 inches
What is the speed of the ball when it
is at the midpoint of the track?
-1/2 inches per second
3 inches per second
-3 inches per second
1/2 inches per second
0 inches per second
Transcribed Image Text:How far from the midpoint of the track does the ball get? 7 inches π/2 inches 10 inches 3 inches What is the speed of the ball when it is at the midpoint of the track? -1/2 inches per second 3 inches per second -3 inches per second 1/2 inches per second 0 inches per second
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