If r ( t ) is the position function of a particle, then the velocity, acceleration, and speed of the particle at time t are given, respectively, by v ( t ) = _______ , a( t ) = _______ , d s d t = ______
If r ( t ) is the position function of a particle, then the velocity, acceleration, and speed of the particle at time t are given, respectively, by v ( t ) = _______ , a( t ) = _______ , d s d t = ______
An object moves in such a way that its displacement s (in metres) as a function of time t
(in seconds) is given by the equation
of this object at
Determine the acceleration
s(t) = 2t - 9t +7t-1
seconds.
t= 2
3 m/sec
O 6 m/sec
O 4 m/sec
O 2 m/sec
4
A body moves on a coordinate line such that it has a position s = f(t):
+²
a. Find the body's displacement and average velocity for the given time interval.
b. Find the body's speed and acceleration at the endpoints of the interval.
c. When, if ever, during the interval does the body change direction?
The body's displacement for the given time interval is
(Type an integer or a simplified fraction.)
The body's average velocity for the given time interval is
(Type an integer or a simplified fraction.)
m.
The body's speeds at the left and right endpoints of the interval are
(Type integers or simplified fractions.)
A. The body changes direction at t =
m/s.
S.
2
on the interval 1 ≤t≤2, with s in meters and t in seconds.
t
(Type an integer or a simplified fraction.)
B. The body does not change direction during the interval.
m/s and m/s, respectively.
The body's accelerations at the left and right endpoints of the interval are
(Type integers or simplified fractions.)
When, if ever, during…
A jogger runs along a straight path and never changes direction. Let v(t) be the velocity of the runner, in feet per secon after t seconds. Choose the options that correctly complete the following statement:
The distance traveler by the runner between t=0 and t=60 seconds is given by the ___1.____ and is measured in ____2.____
1.)
- output of the function v(t)
- the area under the curve v(t) from t=0 to t=60
- the area of the rectangles under the curve v(t) from t=0 to t=60
- the slope of the tangent line to the function v(t)
2.)
- square feet
- feet per second
- feet per second squared
-feet
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Differential Equation | MIT 18.01SC Single Variable Calculus, Fall 2010; Author: MIT OpenCourseWare;https://www.youtube.com/watch?v=HaOHUfymsuk;License: Standard YouTube License, CC-BY