What is the amount work that is done by lifting 90 kg stone block from a small piller that is 1.0 m high? What is the Mechianical advantagel of using a 2 m beam as a ramp? Use proper folumas to slove this question.
Q: Calculate the required power to pump 972 kg of water up to the tank at the height of 22 from the…
A: Given in question - Mass of the water (m) = 972 Kg Height of tank…
Q: You raise a bucket of water from the bottom of a deep well. If yourpower output is 108 W, and the…
A:
Q: Consider the figure below where the inclined plane has a friction: 200 N 50 kg 1.2 m Given the…
A:
Q: What will be the kinetic energy of a pile driver ram when it undergoes a 10-kJ decrease in potential…
A: The principle of conservation of energy states that energy can not be created nor destroyed it can…
Q: A 50.0-kg marathon runner runs up the stairs to the top of Chicago’s 443-m-tall Willis Tower.…
A: Given: m = 50.0 kg h = 443 m t =15.0 minutes = 15.0*60 sec = 900 sec
Q: A cyclist in a race must climb a 5° hill at a speed of 8 m/s. If the mass of the bike and the biker…
A: Given: The angle of inclination of the hill = 50 Speed of the cyclist = 8 m/s Mass of the bike and…
Q: Calculate the work required to raised body 2 meter at time of 3 sec if the mass of body 5 Kg.
A: Work is defined as W=-∆U Here W is work done and ∆U is potential energy.
Q: The work done against gravity in taking 5000 grams mass at 39.37 inches height in 1 sec will be
A: Work done is required to pull up a mass of m kg in height 'h' is= mgh Here, g=gravitational constant…
Q: An escalator has the capacity to lift a maximum of 15 people from ground floor to the top floor…
A: Given data: Number of people = 15 Height (h) = 20 m Time (t) = 40 seconds Average mass of each…
Q: A barrel weighing 250 lbs is suspended by a rope 30 ft long. How much work is necessary to hold the…
A:
Q: A 1600-pound elevator is suspended by a 200-foot cablethat weighs 10 lb/ft. How much work is…
A:
Q: 18.) How much work can be done if a 30ON force is applied at an dngle of 60o to the horizontal to…
A: Given Force F = 300 N Angle θ = 60° Mass of barrel M = 30 kg Distance S = 7 m
Q: What is the work required to raise a 200kg barbell to a height of 1.25m? Round off to the nearet…
A: Given Mass m = 200 kg Height h = 1.25 m Force required to raise F = mg
Q: The Union Pacific’s Big Boy locomotive could pull 6000-ton trains with a tractive effort (pull) of…
A: Given data: Force or pull exerted by the Big Boy locomotive, F=602148 N Displacement caused by the…
Q: Give 5 situations in which work is not done on it.
A:
Q: A loadedcart has a total mass of 227 kg. If a 312 N force acting at an angle of pi/6 radian to the…
A: Force, F = 312 N Angle of action is θ=π6=30° Displacement is s = 15 m
Q: A tired squirrel (mass of approximately 1 kg) does push-ups by applying a force to elevate its…
A:
Q: A 1600 lb elevator by a 200ft cable that weighs 10 lb/ft. How much work is required to raise the…
A: Consider 1600-lb elevator is suspended by a 200-ft cable that weighs 10 lb/ft The objective is to…
Q: Askier tug operates on a slope 300 m long with an inclination of 15.00. The rope moves at 120 km/h…
A:
Q: What is the work needed to lift 15kg of water from a well 12m deep ? Asume the water has a constant…
A:
Q: What is the minimum work required to a slide a 20 kg box a 35 degree incline if the incline is 2…
A:
Q: What is the work done (Nm) to a system with a mass of 20kg by lifting it using 2000N of force and…
A:
Q: It takes a force of 35 N to stretch a 45-cm spring to 90 cm and hold i much work was exerted to…
A: Given: Force, F = 35 N initial length, l = 45 cm = 0.45 m final length, l' = 90 cm = 0.9 m
Q: Its takes 40 sec for a boy A to climb up a stairs while boy B takes 25 sec for the same job.…
A: Given data The time taken by boy A is given as tA = 40 sec. The time taken by boy B is given as tB…
Q: Its takes 45 sec for a girl A to climb up a stairs while boy B takes 35 sec for the same job.…
A: In this question we discuss about work done and power.
Q: Joule is a unit of the following: work, power, potential energy, and kinetic energy, true or false?
A: Work: Work = Force ×Displacement W = F ×S Units of work: 1 J = 1 N m Power: Power = Work…
Q: An 75-kg diver stands at the edge of a 52 kg diving board that is 5.0 meters long, which is…
A:
Q: An electric motor driven conveyor belt is required to take 2,200 pounds of dirt, rocks, etc. per…
A: A conveyor belt takes 2200 pounds per minute and raises it by 15ft. 2200 pounds (m) = 997.9 kg…
Q: In the figure below, the force component Fcos e reaches a maximum at s = 0.306 m. Find the…
A: Are of one block, a=9×2.78xx10-2 J Area under the force-displacement graph is called work done.…
Q: A tired squirrel( mass approximately 1kg) does push up by applying a force to elevate center-of-mass…
A:
Q: A horizontally directed froce of 30 N is used to pull a box a distance of 2.5m across a tabletop.…
A:
Q: Calculate the potential energy of a ball having mass of 10 lbs on top os Stinson building at a…
A:
Q: Using dot product, calculate for the work done by gravity on a 5 kg box that is lifted 0.85 m above…
A: Let upward is positive y axis. Given Mass m = 5 kg displacement d = 0.85 m
Q: Why is it tiring to push hard against a solid wall even thoughyou are doing no work?
A: Work done is given by W=F·s·cosθ where, F=Forces=Displacementθ=Angle between force and displacement
Q: A 380-kg piano slic from accelerating E llel to the incline (F ted by the man, - done by the man o…
A: We know tha the we have given that the mass of the piano is m and it slide from d = 3.9 m down with…
Q: fit takes 5 Jof work to stretch a Hooke's-law spring 10 cm from its unstressed length, determine the…
A:
Q: Wnet = Σ F d cos θ How would I use this equation to get the same result for net work in a problem…
A: If a body on which three forces are acting and making three different angles from the horizontal…
Q: A warenouse wonar uses a forclifier to raise a crate オ0 The combined mass of the piattorm and the…
A: We know that Power = Energy/(time taken) Here, Energy is Potential Energy i.e. Energy =m×g×h Energy…
Q: What is the amount of work that is done by lifting a 90 kg stone block from a small piller tha is…
A: Given data: The mass of stone is m=50 kg. The height is h= 1 m. The length of beam is l=2 m.
Q: A system of two paint buckets connected by a lightweight rope is released from rest with the 12.0-kg…
A: Given;- The mass of the bucket 12 kg at the height h =2.5 m from the ground in the rest position…
Q: How múch work did the movers do (horizontally) pushing a 47.0-kg crate 10.6 m across a rough floor…
A:
Q: now much work does he do on the crate?
A: We know the work done W=F. d------------------(1) ANS: The work done is 919.24 N-m or 920 Joule.
Q: Lifting 30-kg boxes on a vertical distance of 0.90 m from the ground unto the truck is Ervin's work.…
A:
Step by step
Solved in 4 steps
- Convert 7.87 x 10³ cal to the equivalent number of kilocalories (also known as Calories, used to describe the energy content of food), and joules. HINT (a) kilocalories (b) joules kcal Jc) A cone shaped pool has a diameter of 20 feet and a depth of 10 feet. (The point is at the bottom). How much work is needed to pump the water out of the pool, using the fact that water weighs 62.5 lbs/cu. ft.?How much work is done when a piston is compressed from 7.71 L to 4.98 L under constant atmospheric pressure (1.013 x 105 Pa)? Give your answer in joules.
- 8. A water tank has the shape of a box that is 3 m wide, 2 m long and 4 m high. If the tank is full, how much work is required to pump the water to the level of the top of the tank? Immh One ounce of a well-known breakfast cereal contains 110 Calories (1 food Calorie = 4186 J). If 2.0% of this energy could be converted by a weight lifter's body into work done in lifting a barbell, *53. what is the heaviest barbell that could be lifted a distance of 2.1 m?A bucket holding 17kg of sand is being lifted by a weightless rope. The bucket leaks 0.5kg of sand for every 1m lifted. Find the work done to lift the bucket up by 10m. Let X represent the distance lifted so far, and use dx to represent a small distance of additional lifting. Assume acceleration due to gravity is g=9.8m/s^2. Give the answer in Joules
- If a piston pushes on a cylinder of gas with a force of 2750 Newtons through a stroke of 4.00 cm, how much work did it do? Remember, the metric unit of work is a Joule.Your client is planning to drain their swimming pool and decided to pump it until it drained. A two horsepower motor can do 1100 ft-lb of work per second. They have 0.2 hp motor to used to pump water from a full tank in the shape of a rectangular swimming pool with a 4ft deep, 4 ft wide, and 12 ft long to a 10 ft above the top of the tank, how long it will take?A tank has the shape of a circular cylinder oriented vertically with diameter 4m and height of 5m. The tank is currently filled to a level of 3m with water. Find the work, in joules, required to pump the water out over the top of the tank. A. 4116007 J B. 38808TJ C. 1764007J D. 1646400TJ
- 24. A hot air balloon with a mass of 700kg ascends at a constant rate of 1.60m/s for 20.0s. Howmuch work is done by the upward buoyant force? (Neglect air resistance)a. 250,000 Jb. 189,160 Jc. 220,000 Jd. 188.000 JConvert 7.13 ✕ 103 cal to the equivalent number of kilocalories (also known as Calories, used to describe the energy content of food), and joules. (a) kilocalories ?kcal (b) joules ?JSolution Fd Power = Power = (14700N)(14m) Big Idea 600s Power = 343 watts have more power, then you are able to do more work. Thus, having more you An 80 kg man walks up a 50 m plank which is inclined 30° with the horizontal, in 4 minutes. Calculate the power of the man. A 1.5 hp air conditioner was used to cool a room for 2 hours. Find the amount of work done by the air conditioner. Solution: