Question: A person stands on a scale in an elevator. As the elevator starts, the scale has a constant reading of 591 N. As the elevator

A person stands on a scale in an elevator. As the elevator starts, the scale has a constant reading of 591 N. As the elevator later stops, the scale reading is 391 N. Assume the magnitude of the acceleration is the same during starting and stopping, and determine (a) The weight of the person, (b) The person’s mass, and (c) The acceleration of the elevator.

Step by Step Solution

★★★★★

3.42 Rating (158 Votes )

There are 3 Steps involved in it

1 Expert Approved Answer

Step: 1 Unlock

FmaxFgma591 N Emin F ma391 N a ... 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

Document Format (1 attachment)

P-M-C-M (25).docx

120 KBs Word File

Students Have Also Explored These Related Mechanics Questions!

A 750-kg person stands on a scale in an elevator. What does the scale read (in N and in kg) when the elevator is (a) At rest, (b) Ascending at a constant speed of 3.0 m/s, (c) Falling at 3.0m/sm (d)...

A person stands on a scale in an elevator. When the elevator is at rest, the scale reads 700 N. When the elevator starts to move, the scale reads 600 N. (a) Is the elevator going up or down? (b) Is...

A man stands on a scale in an elevator that has an upward acceleration a. The scale reads 960 N. When he picks up a 20-kg box, the scale reads 1200 N. Find the mass of the man, his weight, and the...

A 70 kg person stands on a scale inside an elevator. They notice that the reading on the scale is 500 N. Assuming g = 10 N/kg, this means that: A 70 kg person stands on a scale inside an elevator....

2) Two children pull on a sled, one to the left with a force of 20 N and the other to the right with a force of 25 N. Consider the force of friction small enough to ignore. What is the net force...

1. If a0.6kg object hanging from a spring stretches it by0.45m, then by how much will the spring be stretched (in m) if a1.2kgobject is suspended from it? ____m 2. The mass is pulled to the right a...

1. Express your weight in newtons. From this determine your mass in kilograms. 2. Suppose an airline allows a maximum of 30 kg for each suitcase a passenger brings along. (a) What is the weight in...

21:25 4 Outlook Gereed Practise_test_TTO4_Mec... .Ill '5' [E' Q we 9 =>> 9.80 ms2 I Accept 9.81, ara plain \"g\" Ignore sign if pro vided. 9d. Draw. on the axes, a graph to show the variation with...

1) 2) 3) 4) 5) 6) 7) 8) 9) A nut comes loose from a bolt on the bottom of an elevator as the elevator is moving up the shaft at 3.00 m/s. The nut strikes the bottom of the shaft in 2.00s. (a) How far...

Hint* When dealing with more than 2 masses, it is often easier to treat the system as a whole rather than doing a FBD for each of the masses. initial velocity = 0 m/s T2 7.0 kg 5.0 kg 4.0 kg 8.0 kg...

What are the two main components that Shareholder's Equity can be broken down into? O Assets and Liabilities Retained Earnings and Dividends O Revenue and Expenses Retained Earnings and Contributed...

The inner and outer glasses of a 2-m x 2-m double pane window are at 18°C and 6°C, respectively. If the glasses are very nearly isothermal and the rate of heat transfer through the window is...

A basic family tax planning technique is to transfer assets to donees who are subject to higher marginal income tax rates.

For an interesting perspective on the historical development of cost and management accounting, refer to Johnson (1987), Johnson and Kaplan (1987). For a more recent reference see also Kannaiah...

If managed effectively, Rearden Metal will have assets with a market value of $200 million. $300 million, or $400 million next year. with each outcome being equally likely. Managers, however, may...

Task # 3 ( CAPM and the equity cost of capital ) You need to estimate the equity cost of capital for XYZ Corp. You have the following data available regarding past returns: a ) What was XYZ ' s...

Seven years ago, after 15 years in public accounting, Stanley Booker, CPA, resigned his position as manager of cost systems for Davis, Cohen, and OBrien Public Accountants and started Track Software,...