Question: An elevator car whose floor-to-ceiling distance is equal to 2.7 m starts ascending with constant acceleration 1.2 m/s2; 2.0 s after the start a bolt

An elevator car whose floor-to-ceiling distance is equal to 2.7 m starts ascending with constant acceleration 1.2 m/s2; 2.0 s after the start a bolt begins falling from the ceiling of the car. Find:
(a)The bolt's free fall time;
(b)The displacement and the distance covered by the bolt during the free fall in the reference frame fixed to the elevator shaft.

Step by Step Solution

★★★★★

3.47 Rating (173 Votes )

There are 3 Steps involved in it

1 Expert Approved Answer

Step: 1 Unlock

a One good way to solve the problem is to work in the elevators frame having the observer 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-K (15).docx

120 KBs Word File

Students Have Also Explored These Related Mechanics Questions!

An elevator starts from rest and rises 40 m to its maximum velocity in T s with the acceleration record shown in the figure. Determine(a) The required time T,(b) The maximum velocity,(c) The velocity...

A pulley fixed to the ceiling of an elevator car carries a thread whose ends are attached to the loads of masses m1 and m2. The car starts going up with an acceleration Wo. Assuming the masses of the...

Reference frame S' passes reference frame S with a certain velocity as in Figure. Events 1 and 2 are to have a certain spatial separation x' according to the S' observer. However, their temporal...

Complete the following Carolina Biological Lab: Kinematics. Please read the Distance Learning Lab Safety Agreement. By taking part in these labs, you agree to the terms in the Distance Learning...

Please complete the following lab. Thanks. Procedure A. mass of red PasCar 254 q 1 VI V 2 (m) (m) (m) (s) (m/s) (s ) (m/s) 261 . 135 126 0 . 14 0. 65 P : 74 - 298 . 16 . 137 57 L. la 178 097 0. 45 0...

Please complete procedure A. all the data needed from experiment has been provided you must use the formulas to fill in the missing boxes. Procedure A. mass of red PasCar 254 q 1 VI V 2 (m) (m) (m)...

1.The image shows the vector addition by method; Parallelogram tip and origin 2. Calculate the y component of a vector whose displacement is 20 meters and whose direction is north. 3. A car travels...

Final Review Multiple Choice Identify the choice that best completes the statement or answers the question. ____ 1. Which of the following is a pair of scalar quantities? a. Speed Distance c....

Please answer ALL questions as this is very important. 1. A car starts from City A, goes 60 km in a straight line to City B, immediately turns around, and returns to City A. The time for this round...

16. [-/0.5 Points] DETAILS SERPSE10 4.3.Op.013.MI. MY NOTES A placekicker must kick a football from a point 36.0 m (about 40 yards) from the goal. Half the crowd hopes the ball will clear the...

Stark Industries expects an earnings per share of $2.98 and reinvests 45% of its earnings. Management projects a rate of return of 4% on new projects and investors expect a 8% rate of return on the...

Explain two ways in which descriptive statistics and inferential statistics are interrelated.

When reporting income, which method is banned under the international accounting rules? Select an answer: FIFO average cost total cost LIFO

The Google SEC Form 10-K can be found online at www.wiley.com/college/pratt. Review it and answer the following questions: REQUIRED: a. How large is inventory compared to the other assets on Googles...

At the end of May, Bergan Company had completed Jobs 200 and 305. Job 200 is for 2,390 units, and Job 305 is for 2,053 units. Using the data from BE 2-1, BE 2-2, and BE 2-4, determine (A) The balance...

Keiper, Inc., is considering a new three-year expansion project that requires an initial fixed asset investment of $2.7 million. The fixed asset will be depreciated straight-line to zero over its...

The following joint probability table contains a breakdown on the age and gender of U.S. physicians in a recent year, as reported by the American Medical Association. a. What is the probability that...

Spelling Sports, which produces basketballs, has two departments: cutting and stitching. Each department has one direct-cost category (direct materials) and one indirect-cost category (conversion...

The following problems explore translating from C to MIPS. Assume that the variables f, g, h, and i are given and could be considered 32-bit integers as declared in a C program. For the C statements...

Based on the following data, determine the total assets, total liabilities, net worth, total cash inflows, and total cash outflows. \ table [ [ Balance Sheet and Cash Flow Items,,, ] , [ Rent for the...

A bond is selling at $900 (below its par value of $1000). The bond matures in 10 years and has pays offers a 5% coupon rate. Interest is paid semi-annually. What is the bonds yield-to-maturity? A...

Sampler A has a useful life of 12 years, an initial cost of $12,141, an annual maintenance cost of $1800. Your net present worth of the life of the equipment is (-$18,266). Sampler B has an initial...