Question: A person in an elevator moving upward at 10 m/s lifts a 60 kg mass 1.5 m off the elevator floor in 2 s. How

A person in an elevator moving upward at 10 m/s lifts a 60 kg mass 1.5 m off the elevator floor in 2 s. How much work did the person do relative to the elevator? How much relative to the ground? Why are these different, and what happens to the energy in each case?

Step by Step Solution

★★★★★

3.45 Rating (155 Votes )

There are 3 Steps involved in it

1 Expert Approved Answer

Step: 1 Unlock

The work done by the person relative to the elevator can be found using the formula W Fd where W is ... View full answer

Question Has Been Solved by an Expert!

Get step-by-step solutions from verified subject matter experts

Step: 2 Unlock

Step: 3 Unlock

Students Have Also Explored These Related Thermodynamics Fundamentals Questions!

The first production department of Stone Incorporated reports the following for April. Compute cost per equivalent unit for both direct materials and conversion. Note: Round "Cost per EUP" to 2...

1) A meteor of mass 6.8 x 10^ 6 kg (roughly the size of a house) is on a collision course approaches Earth at a distance 27.1 x 1000 km above the surface of the earth with relative velocity 42 km/s....

Managing Scope Changes Case Study Scope changes on a project can occur regardless of how well the project is planned or executed. Scope changes can be the result of something that was omitted during...

(Please open this question on desktop to view the photo as it sometimes doesn't show on phones, thanks!) Please solve the following and show the steps of how you solved it. Answers are included at...

Answer the following question and free body diagram is needed. . A man is dragging a trunk up the loading ramp of a mover's truck. The ramp has a slope angle of 20.0, and the man pulls upward with a...

1. A 6.0 kg mass is pulled up a 20 m long, 150 ramp at a constant speed of 2.25 m/s. What power is required to do this? 2. A 50 kg child rides down a frictionless 2.5 metre high slide. Find the speed...

1. A force of 10 N is used to pull a 2.3 kg block along a horizontal surface with a coefficient of friction of 0.25. a) Find the unbalanced force. b) Find the acceleration. 2.A 6.0 kg mass is pulled...

Hi, I need help with a super short hw and the questions are unrelated to each other so I'd appreciate any help and explanation :) Part 2: Open-Ended Responses. All work and correct units MUST be...

Section I Short Answer. 1 mark each. Answer in the boxes provided. Use space provided for rough work. 1. A 6.0 kg mass is pulled up a 20 m long, 15'3 ramp at a constant speed of225 m.-"'s. What power...

17. Draw a free-body diagram to determine the net force acting on the object in italics in each of the following situations: a) Two teenagers are pushing a dirt bike through a freshly plowed field....

QUESTION 28 15 points Save Answer A satellite with mass 800 kg is placed in a circular orbit about the Earth (Mass=5.98x10^24 kg, Radius=6.4x10^6 m) a distance of 1800 km above the surface. a) What...

Was Shanghai unlucky or was it something else?

Calculate the fees paid all players, keeping in mind their roles in the project financing deal and the return on funded capital: Role Advisor Lead Arranger Co-Arranger Lead Manager Manager Co-Manager...

Explain the economic benefits of a single currency for the nations that comprise the Eurozone. What recent problems have placed the euros future in jeopardy?

Accounting for stock splits (Learning Objective 5) 510 min. Suppose Nolan, Inc., has common stock, $8 par, 500,000 shares authorized, 120,000 shares issued and outstanding. The company also has...

Find a real physical example of a mechanical structure or machine that has shear stress present. (a) Make a clear, labeled drawing of the situation. (b) Estimate the dimensions of the structure or...

Adhesive tape is capable of supporting relatively large shear stress, but it is not able to support significant tensile stress. In this problem, you will measure the shear strength of a piece of...

The small steel plate is connected to the right angle bracket by a 10-mm diameter bolt (Figure P5.20). Determine the tensile stress at point A in the plate and the shear stress in the bolt. Figure...

Suppose you want to buy 400 shares of Starbucks (SBUX) at $75 per share. Initial margin requirement is 65%. Call money rate plus the spread is 7%. You supplied cash just to meet the initial margin...

Brock Company produces and sells an industrial product. The company has just opened a new plant to manufacture the product, and the following cost and revenue data have been provided for the first...

ACME Corporation applies overhead cost to jobs on the basis of 70% of direct labor cost. If Job 201 shows $69,432 of manufacturing overhead applied, what was the direct labor cost on the job?