winch of radius 5ft is used to lift heavy loads. if the winch makes 10 recolutions every 15 s, find the speed at which the load is rising? =_______ft/s

Q: The velocity v, in feet per second, of the water pouring out of a small hole in the bottom of a…

A: The velocity v, in feet per second, of the water pouring out of a small hole in the bottom of a…

Q: A model rocket is launched with an initial velocity of 230 ft/s. The height, h, in feet, of the…

A: A model rocket is launched with an initial velocity of 230 ft/sand height, h, in feet, of the rocket…

Q: Four and one-half foot-pounds of work is required to compress a spring 6 inches from its natural…

A: Initially, work required, W1=4.5 foot-pounds length of spring, x1=6

Q: 8. A boy on a bike rides north 5 miles, then turns east. If he rides 10 mi/hr., at what rate was his…

A: To find the time taken by the boy to travel the first 5 miles, use the velocity formula, v=st, where…

Q: Assuming the speed of sound is 343 m/s ... a) How far away in km did the lighting strike if it takes…

A: Topic:- distance ,time and speed

Q: A spring requires 7 J to stretch from 1m to 4 m. An additional 4 J to stretch for 4 m to 7 m. What…

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Q: To lift a basket with a mass of 45kg to the top of a building 14m in height, a cable with length 14m…

A: Given that Mass of basket=45kgMass of cable=10kgLength of cable=14m

Q: If an object Is shot upward with an initlal velocity, vo, In feet per second (ft/s), the velocity,…

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Q: Eight and one-half foot-pounds of work is required to compress a spring 2 inches from its natural…

A: We are given: Work (W) = Eight and one-half foot-pounds                    = 8.5 foot-pounds…

Q: 1 of a mile, and it is used for measuring distances on horse racetracks. If a horse runs 8 A furlong…

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Q: A child flies a kite at a height of 80 ft, the wind carrying the kite horizontally away from the…

A: Solved below

Q: Each side of a square increasing at a rate of 6 cm/s . At what rate is the area of the square…

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Q: A skydiver weighing 299 lbf (including equipment) falls vertically downward from an altitude of 4000…

A: Use the following formulae, to obtain the solution. Velocity, v=dxdtAcceleration, a=dvdtForce, F=ma…

Q: A circle's radius that has an initial radius of 0 cm is increasing at a constant rate of 7 cm per…

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Q: 7. A swimmer can swim at 3 m/s in still water (Across the river). A river is 150 m wide and the…

A: We will find the resultant velocity, time taken by the swimmer and how far downstream will the…

Q: 60 25 300

A: From the given data:

Q: Water is leaking out of an inverted conical tank at a rate of 8,000 cm/min at the same time that…

A: Formula used-  Actual inflow rate = inflow rate for increased depth + leakage rate

Q: woman bails out of an airplane at an altitude of 10,000 ft, falls freely for 22 s, then open…

A: We are asked to find the time to reach the ground.

Q: An accepted relationship between stopping distance, d in feet, and the speed of a car, v in mph, is…

A: We can found speed and no. Of feets at any instant by using given equation

Q: 2. It takes a jeep travelling at 45 kph which is 30 minutes longer time to cover a certain distance…

A: Given that, It takes a jeep travelling at 45 kph which is 30 minutes longer time to cover a certain…

Q: 7. G.SRT.8 A 12-foot ladder is leaning against the side of a building. The top of the ladder reaches…

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Q: A pressure of 4N/m2 is exerted on a car that has been crushed at a junkyard. The force was 160N.…

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Q: .A swimmer can swim at 3 m/s in still water (Across the river). A river is 150 m wide and the…

A:

Q: A pole 42'0" high is supported by a cable attached 3'0" from the top of the pole. The cable is…

A:

Q: The velocity v, in feet per second, of the water pouring out of a small hole in the bottom of a…

A:

Q: A ball is thrown vertically in the air with a velocity of 95 ft/s. Use the projectile formula h =…

A: Given :Velocity : 95 ft/sh=-16t2+votHight = 120 ft

Q: In a certain city, E Street, W Street, C Street, and D Street are parallel streets that intersect K…

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Q: A ball is thrown vertically upwards with a velocity of 48 ft/s from the top of a building 35 ft…

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Q: A 200 lbs cable is 100 ft long and hangs vertically from the top of a tall building. much work is…

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Q: The length of the sides of a square are initially 0 cm and increase at a constant rate of 7 cm per…

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Q: A ball is thrown vertically upwards with a velocity of 48 ft/s from the top of a building 35 ft…

A: Given problem is :

Q: A model rocket is launched with an initial velocity of 190 ft/s. The height, h, in feet, of the…

A: The height, h, in feet, of the rocket t seconds after the launch is given by

Q: 13. On the first swing, a pendulum makes an arc of 8 in. long. On each suc is 1/4 the length of the…

A:

Q: Six and one-half foot-pounds of work is required to compress a spring 4 inches from its natural…

A: We have to find work required to compress the spring to one - half inch.

Q: A child flies a kite at a height of 80 ft, the wind carrying the kite horizontally away from the…

A:

Q: 10pis) 21.) A steel pipe is being carried down a hallway that is 9 ft wide. At the end of the hall…

A: given, we have to find longest length l in terms of θ

Q: The length of the side of a cube is increasing at the rate of 5 centimeters per minute. At what rate…

A: Here we need to find how rate is the  volume of the cube is increasing when the side of the cube is…

Q: A boat on a river travels between two points, 20 mi apart, in 1 h. The return trip aganist the…

A: Given: Let speed of boat in still water = v Let speed of current = w

Q: A spring has a natural length of 10 cm. It takes 6 J to stretch the spring to 15 cm. How much work…

A: Given query is to find the the work to streo the spring from 15 to 20 cm.

Q: A boat on a river travels between two points, 90 mi apart, in 1 h. The return trip aganist the…

A: It is given that when the boat travelled downstream it takes 1 hour to travel the distance 90 miles…

Q: An empty swimming pool needs to be filled to the top. The pool is shaped like a cylinder with a…

A: r=d2=72=3.5h=1.6Volume of a cylinder (V)=πr2hSubstitute r=3.5 and h=1.6

Q: Two jet aircraft are flying directly towards each other. Their speeds relative to the ground are 155…

A: Use the concept of  relative speed and solve the problem.

Q: A boy released a balloon vertically in the middle of a spherical dome at a velocity of 5 m/s. The…

A: we'll answer the first question since the exact one wasn't specified. Please submit a new question…

Q: Two railroad tracks are perpendicular to each other. At 12:00 PM, there is a train at each track…

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Q: A 6-foot-high conical water tank is filled to the top. When a valve at the bottom of the tank is…

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Q: A 20 ft ladder is leaning against a wall. The ladder is 15 ft up the wall. Part A. How far to the…

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Q: men took a dip in a water tank 1 m long and 2 m broad on a religious day. If the average…

A: Given that:                      Number of men taken dip = 50Length of tank, L=1mWidth of tank,…

Q: Incorrect Question 3 of 19, Step 1 of 1 Correct How many scoops will it take a 2-ton crane, which…

A: We need to find how many scoops it will take to move 19,750 pounds of sand.

Q: A remote control boat, capable of a maximum speed of 18 ft/s in still water, is made to cross a…

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Q: If a snowball melts so that its surface area decreases at a rate of 1 sq. cm/min, find the rate at…

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