Un hombre empuja la caja de 60 lb con una fuerza F. La fuerza siempre está dirigida hacia abajo 30° con respecto a la horizontal como se muestra, y su magnitud es incrementada hasta que la caja empieza a deslizarse. Determine la aceleración inicial de la caja si el coeficiente de fricción cinética es uk = 0.8. 30°

Answered: Image /qna-images/answer/28b35813-bf46-41bd-9933-890b2f8f1105.jpg

Answered: 30° | bartleby

Engineering

Civil Engineering

30°

Structural Analysis

6th Edition

ISBN:9781337630931

Author:KASSIMALI, Aslam.

Publisher:KASSIMALI, Aslam.

Chapter2: Loads On Structures

Section: Chapter Questions

Problem 1P

See similar textbooks

Similar questions

i need the answer soon please
Civil engg
2- Find Profit for the project, which its cash flow is shown below 700,000 U دفعات شهرية 0 500,000 95 × 10° U 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 150 × 10° U دفعات سنوية 100×1 1 × 10° U i=15%
If she has enough money, she will buy a new car. O zero conditional first conditional O second conditional
Snow and ice heavily damages a building that was designed by Registered Engineers and Architects. The owner was not able to recover damages because of: O A. The statute of limitations. O B. The insolvency of the bond holder. OC. A hold-harmless clause between architect and engineer. O D. An Act of God clause in the insurance policy.
For having been loyal, trustworthy and efficient, the company has offered a superior a yearly gratuity pay of P 20,000.00 for 10 years with the first payment to be made one year after his retirement. The supervisor, instead, requested that he be paid a lump sum on the date of his retirement less interest that the company would have earned if the gratuity is to be paid on yearly basis. If interest is 15%, what is he equivalent lump sum that he could get?
Please correct solution
4. A manufacturer of off-road vehicles is considering the purchase of dual-axis inclinometers for installation in a new line of tractors. The distributor of the inclinometers is temporarily overstocked and is offering them at a 40% discount from the regular cost of Php8000. If the purchaser gets them now instead of 2 years from now, which is when they will be needed, what is the present worth of the savings per unit? The company would pay the regular price, if purchased in 2 years. Assume the interest rate is 10% per year. A Php32.16 B Php86.62 C Php1811.57 Php4880 D
A machine cost $450,000 to purchase. Fuel, oil, grease, and minor maintenance areestimated to cost $55.00 per operating hour. A set of tires cost $18,000 to replace, and theirestimated life is 3,100 use hours. A $27,000 major repair will probably be required after6,200 hr of use. The machine is expected to last for 9,300 hr, after which it will be sold at aprice (salvage value) equal to 20% of the original purchase price. A final set of new tireswill not be purchased before the sale. How much should the owner of the machine chargeper hour of use, if it is expected that the machine will operate 3,100 hr per year? Thecompany’s cost of capital (interest) rate is 8.3%.
Rent vs. Own 730C ARTICULATED TRUCK 730C Rental Rates CAT Weekly $2,078 $4,682 $11,924 Daily Monthly RENT ME CREDIT APPLICATION USED OPTIONS You are evaluating purchasing a 2019 CAT 730C for $385,000. The 730 will be used 2,000 hrs/year and the Equipment Company has data showing the O&0 costs will be approximately $45,000/year. They have also given you a rental option. Which should you do? (Your decision must be supported by the appropriate calculations)
Lion heen construcied belweh the mainland and an island The total cost areluding tolls) to travel across the bridge is expressed as C- 50+0.5V, where Visthe ber o veh/h and C'is thc cost/veh in cents. The demand for travel across the bridue is V 2500-10C O Determine the volume of traffle across the bridge. a toll of 25 cents is added, what s the volume across the bridge? What volume Would be expected with a 50 cent increase Aelbooth is to be added, thus reducing the travel time to cross the bridge. The new nction is C- 50 + 0.2V. Determine the volume of traffic that would cross the bridge. d Determine the toll to yicld the highest revenue for demand and supply function in part (a), and the associated demand and revenue.
QUESTION 4 A company that manufactures pulse Doppler insertion flow meters uses the Straight Line method for book depreciation purposes. Newly acquired equipment has a first cost of $120,000 with a 3-year life and a $16,500 salvage value. Determine the depreciation charge and a book value for year 2. The book value for year 2, (in $)