calculus
posted by cynthia .
A variable force of
7xâˆ’2
pounds moves an object along a straight line when it is x feet from the origin. Calculate the work done in moving the object from
x = 1
ft to
x = 19
ft. (Round your answer to two decimal places.)
Respond to this Question
Similar Questions

Physics
Under what condition can a force act on an object and yet do no work on that object? 
calculus
A constant force of 60,30− pounds moves an object in a straight line from the point )0,0( to the point)10,10(−. Compute the work done. 
physics
A force F = (4.18xi + 3.18yj) N acts on an object as it moves in the x direction from the origin to x = 4.34 m. Calculate the work done on the object by the force. 
math
the position of an object moving in a straight line is given by s=tsquared8t, where s is in feet and t is the time in seconds the object has been in motion. how long(to the nearest tenth)will it take the object to move 10 feet? 
Pre Calc
Find the work done by a force F of 30 pounds acting in the direction (2,3) in moving an object 3 feet from (0,0) to the point in the first quadrant along the line y = (1/2)x. 
Pre Calc
Find the work done by a force F of 30 pounds acting in the direction (2,3) in moving an object 3 feet from (0,0) to the point in the first quadrant along the line y = (1/2)x. The answer is 85.38 footpounds. I just need to figure out … 
Math/ Calculus Please HELP!!!
An object at rest begins moving horizontally on the xaxis, starting at position x(t) = 0 feet at time t = 0 seconds.Suppose, after exactly 2 seconds we measure the position of the object to be 3 feet to the right of the origin AND … 
Calculus
An object at rest begins moving horizontally on the xaxis, starting at position x(t) = 0 feet at time t = 0 seconds.Suppose, after exactly 2 seconds we measure the position of the object to be 3 feet to the right of the origin AND … 
Algebra
The distance traveled by an object moving in a straight line is given by s = t2 − 2t, where s is in feet and t is the time in seconds the object has been in motion. How long (to the nearest tenth) will it take the object to move … 
MATH
Suppose an object moves along the xaxis so that its position at time $t$ is $x=t+\frac{t^3}{6}$. (a) Find the velocity, $v(t)=x(t)$, of the object. (b) What is $v(0)$?