My Notes Ask Your Teacher 8 0 -10 points OSColPhys1 7 P006 WA. A 64 kg rollerbla

Question

My Notes Ask Your Teacher 8 0 -10 points OSColPhys1 7 P006 WA. A 64 kg rollerblader skates across a skating rink floor. The graph below shows the net external force component F cos(6) along the displacement as a function of the magnitude of the displacement d 40 N 5.0 m 0.0 m Determine the following. (a) the work done (in J) by the net force component F cos(?) acting on the rollerblader as he moves from 0 to 5.0 m (b) the work done (in J) by the net force component F cos(0) acting on the rollerblader from 5.0 m to 10.0 m Supporting Materials Physical Constants 9. -11 0 points 0OSColPhys1 7 P007 Tutorial.WA My Notes Ask Your Teache A box of unknown mass is sliding with an initial speed v, 5.50 m/s across a horizontal frictionless warehouse floor when it encounters a rough section of flooring d 4.10 m long. The coefficient of kinetic friction between the rough section of flooring and the box is 0.100. Using energy considerations, determine the final speed of the box (in m/s) after sliding across the rough section of flooring. m/s Tutorial

Explanation / Answer

8)

a) Work done = area of force- displacement graph from 0-5m

= 40 x 5 = 200Joules

Hence work done = 200 Joules

b) Work done = area of force- displacement graph from 5-10m

= 0 Joules

Hence work done is = 0 joules

As per the Chegg Policy, we can answer only the first question in case of multiple questions. Please repost the other questions for their answers.

Related Questions

Navigate

• Browse (All)
• Browse M
• Subjects

---

---

Integrity-first tutoring: explanations and feedback only — we do not complete graded work. Learn more.