Find the work performed when the given force F is applied to an object, whose resulting motion is represented by the displacement vector d. Assume the force is in pounds and the displacement is measured in feet.
?
?
A. 160 ft-lb
B. 230 ft-lb
C. 170 ft-lb
D. 190 ft-lb
E. 200 ft-lb
Answer: D
Mathematics
You might also like to view...
Factor by removing the common binomial factor.j(k - 3) - 4(k - 3)
A. (j + 4)(k - 3) B. (j - 4)(k - 3) C. (j - 4)(k + 3) D. -4j(k - 3)
Mathematics
Solve the system.
+ 
= 
- 
= - 
A. 
B. {(-5, 7)}
C. {(-7, 5)}
D. {(5, -7)}
Mathematics
Find the expected value.Mr. Cameron is sponsoring an summer concert. He estimates that he will make $300,000 if it does not rain and make $60,000 if it does rain. The weather bureau predicts the chance of rain is 0.34 for the day of the concert. What are Mr. Cameron's expected concert earning?
A. $300,000 B. $360,000 C. $60,000 D. $218,400
Mathematics
Tell whether or not the rational expressions are equivalent.
, 
A. Yes B. No
Mathematics