diamondmoneee diamondmoneee

28-04-2024
Mathematics

Answered

Find the work W done by a force F = (40i - 15j) Ib in moving an object in a straight line given by the displacement vector
D = (40i + 20j) ft.

Find the work W done by a force F 40i 15j Ib in moving an object in a straight line given by the displacement vector D 40i 20j ft class=

Answer :

olumideolawoyin olumideolawoyin

28-04-2024

Answer:

1300 ft.lb

Step-by-step explanation:

Work done W = F . D = (40i - 15j).(40i + 20j)

= (40×40) + (-15×20)

= 1600 - 300

= 1300 ft.lb

Answer Link

Other Questions

Which three licensing tiers apply to data center switches?

Please help thanks i need help on these two questions

What is the solution to the system of equations?[tex]\[ \begin{array}{l} y = -5x + 3 \\ y = 1 \end{array} \][/tex]A. [tex]\((0.4, 1)\)[/tex]B. [tex]\((0.8, 1)\

Helpppp please I can give you brainlist Interview an adult over the age of 30 and ask them if they could write a letter to their teenage self, what life le

the solution to 5 x 8 8 x − 9 = 4 x 2 − x − 72

Sample Responses: I think that the princess sent her lover to the lady because she loved him too much to see him die. We can see this from her fears about the

An aquifer receives [tex]$40 \, m^3$[/tex] of precipitation and loses [tex]$10 \, m^3$[/tex] of water through natural movement. How much water can be pumped fro

if a=1.8 and b=4.7 find angle B to the nearest tenth of a degree.

Riko wants to find the distance between the points [tex]$(-2, -3)$[/tex] and [tex]$(2, -5)$[/tex]. His work is shown below:[tex]\[ |-3| + |-5| = 3 + 5 = 8 \][/t

if the efficiency of the transformer is 80% and the current in the secondary is 10 ampere calculate the current in 240 volt supply

Which explains how winds cause surface currents? A. Friction between the blowing air and the water drags the water along and creates surface currents. B. High-p

Which of the following organisms would you expect to find in a layer of rock at the bottom of a deep canyon? a) an ammonite b) a trilobite c) a dinosaur footpri

a baseball has a 45 cm diameter. what is the volume of the contents of the ball

Which of these was not an aim of Stalin’s five-year plan? a. To build up heavy industry b. To shrink the workforce c. To improve transportation d. To increase f

a dog weighs 44 pounds and the veterinaria

what plus what equals 11 and what times what equals 30

Find the circumference and area of a circle with a diameter of 22 inches. Leave your answers in terms of pi.

Progressive and conservative Republicans disagreed on which of the following in the early 1900s?

Sam lived 4 miles from his school. If he rode his bike 2/7 of the distance and then walked the rest, how far did he ride his bike?

May 30 was selected as Decoration Day first observed because it was NOT an anniversary of a battle. True or False?