5 5. A 50 ft. ladder is placed against a large building.The base of the ladder is resting on an oil spill and it slipsat the rate of 3 ft. per minute. Find the rate of change of50the height of the top of the ladder above the ground at theinstant when the base of the ladder is 30 ft. from the baseof the building.

Answered: Image /qna-images/answer/29382f24-b33a-49dd-96f3-0ed1559d4cbb.jpg

5. A 50 ft. ladder is placed against a large building. The base of the ladder is resting on an oil spill and it slips at the rate of 3 ft. per minute. Find the rate of change of the height of the top of the ladder above the ground at the instant when the base of the ladder is 30 ft. from the base of the building.

5. A 50 ft. ladder is placed against a large building. The base of the ladder is resting on an oil spill and it slips at the rate of 3 ft. per minute. Find the rate of change of the height of the top of the ladder above the ground at the instant when the base of the ladder is 30 ft. from the base of the building.

Elements Of Electromagnetics

7th Edition

ISBN:9780190698614

Author:Sadiku, Matthew N. O.

Publisher:Sadiku, Matthew N. O.

ChapterMA: Math Assessment

Section: Chapter Questions

Problem 1.1MA

See similar textbooks

Similar questions

A river reach had a flood wave passing through it. At a given instant the storage of water in the reach was estimated as 15.5 ha.m. What would be the storage in the reach after an interval of 3 hours if the average inflow and outflow during the time period are 14.2 m3/sec and 10.6 m3/sec respectively.
From point A to point B of the system in the figure flows oil with specific weight 55 lb/ft3 at a rate of 26.2 gallons / minute. Determine the height h.
The diameter of a pipe gradually reduces from 1 m to 0.7 m. The pressure intensity atthe center line of 1 m section is 8and rate of flow of water through the pipe is600 liters/s.,I. Find the intensity of pressure at the center line of 0.7 m section.II. Determine the force exerted by flowing water on transition of the pipe.
A jet airplane moving at 900 km/hr takes 700 N/s of air into is engine, burns 15 N/s of fuel, and discharges the exhaust gasses at atmospheric pressure. If the thrust of the engine is 40,000 N, what is the absolute velocity of the gases in meters per seconds?
Q.2: A train travels at v = 20(1 - e-3t) wheret in seconds and v in ft/s; (a):the distance after 2 seconds is:
A projectile is launched with a speed v0 = 50 m/s at angle = 35°. How long does it take to reach the maximum height? y vo x 0 2.55 s 28.68 s O2.92 s O 5.10 s
A pipe of diameter 10cm conveying 200 liters/s of water has bend of angle (θ = 90⁰) and θ = 0⁰ through horizontal plane. Find theresultant force exerted on the bend if the pressure at the inlet and outlet of the bend are 15N/cm2 and 10 N/cm2respectively
A AB is a section in a 8 centimeter constant diameter pipe. 20 degree C mercury enters the section at speed 3 meters/sec. Determine the flow of linear momentum crossing A and entering the section AB in kg*m/sec per second. Your answer should include at least one digit after the decimal place.
1. Calculate the kinetic energy of a body which has a mass of 5 kg and velocity of 10 m/s. 2. In a non-flow process carried out 5.4 kg substance, there was a specified internal energy decrease of 50 kJ/kg and a work transfer of the substance of 8.5 kl/kg. Determine the heat transfer and a state whether it is gain or loss. 3. A gas is contained in a cylinder with a moveable piston on which a heavy block is placed. Suppose the region outside the chamber is evacuated and the total mass of the block and the movable piston is 102 kg. When 2140 J of heat flows into the gas, the internal energy of the gas increases by 1580 J. what is the distance through which the piston rises? 4. Calculate the increase in internal energy of a gas in a closed system during a process in which of heat is supplied to the system and 400 J of work is produce. 5. Convert the following readings of pressure to kPa, assuming the barometer reads 760 mm Hg. a. 90 cm Hg gauge b. 40 cm Hg vacuum c. 1.2 m H20 gauge
Determine the kinetic energy flux of 0.87 m3/s of fluid (sp. Gr =2.53) discharging through a 94 mm diameter nozzle. (watts) Round your answer to 2 decimal places.
Two geometrically similar pumps are running at the speed of 1500rpm and 3000rpm. One pump has an impeller diameter of 0.40 m and lifts water at the rate of 0.03 liters/sec against a head of 20 meters. Determine the head, discharge and ratio of powers of said pump of diameter 0.25m.
Complete Solution please, thanks. 3. A vertical circular stack 30 m high converges uniformly from a diameter of 6 m at the bottom and 4.5 m at the top. Gas with a unit weight of 0.12 N per cubic meter enters the bottom of the tank with a uniform velocity of-assume values with decimals between 3 to 4 m per second- enters the stack. The unit weight increases by 7.5 percent every 2 meters. Find the velocity of flow at every 5 meters along the stack.