A pump lifts 260 kg of water per hour a height of 5.5 m . What is the minimum necessary power output rating of the water pump in watts? What is the minimum necessary power output rating of the water pump in horsepower?

Q: A crate with a mass of 39.5 kg is pushed with a horizontal force of 150 N. The crate moves at a…

A: Given Data: The mass of a crate is, m=39.5 kg The applied horizontal force is, F=150 N The distance…

Q: A model train's electric motor accelerates it from a standstill to a speed of 0.740 m/s in 25.0 ms.…

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Q: Determine the power required to move 30 people, with an average mass of 61 kg per person, between…

A: There are 30 people with 61 kg per person. Therefore total mass is given by, M=30×61 kg M=1830 Kg is…

Q: The motor of a ski boat produces a power of 35400 W to maintain a constant speed of 12.0 m/s. To…

A: Given information:The power produced by the boat without the skier (Wb) = 35400 WThe velocity of the…

Q: A car does a work 15060 J in just 3.00 seconds. What is the power output of the car in horsepower

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Q: An elevator cab has a mass of 4510 kg and can carry a maximum load of 1910 kg. If the cab is moving…

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Q: A 64 kg student travels from the first floor to the fourth floor of a school (a height of 15 m).…

A: Calculate the total work did she do climbing the stairs. Work doneW=Massm×g×height(h)…

Q: A weighlifter lifts a 50-kg barbell a vertical height of 2.0 m in 5.0 s. What is the average power…

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Q: A child pulls on a wagon with a force of 75 N. If the wagon moves a total of 42 m in 3 min, what is…

A: Given information: The force applied by the child (F) = 75 N The distance moved by the child (d) =…

Q: An electric motor raises an elevator weighing 1.20 x N a distance of 9 m in 15 s. What is the power…

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Q: In an exercise class, a PE teacher instructed a student to do a chin up. Compute for the power…

A: Mass of student (m) =42 kg Distance travelled (h) =0.25 m Work done by student during this…

Q: A particular machine is capable of power of 2000 watts. How far can it lift a 70 newton weight in 4…

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Q: A child is a the top of a treehouse 4.20 m above the ground. She is lifting a bucket of snacks via a…

A: Given data The height of the treehouse from the ground is d = 4.20 m. The mass of the bucket of…

Q: A truck accelerates uniformly from rest to 20 m/s in 8 s along a level stretch of road. Determine…

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Q: An escalator in a shopping center is designed to move 50 people, 75 kg each, at a constant speed of…

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Q: Calculate the minimum average power that a 35-kg human boy must generate in climbing up the stairs…

A: Given: mass of the boy (M) = 35 Kg            height of the building (h) = 170 m            Time…

Q: A top fuel dragster with a mass of 600.0 kg starts from rest and completes a quarter mile (402 m)…

A: Given data- A top fuel dragster with a mass m=600.0 kg initial velocity Vi=0 m/s (rest) final…

Q: A fully elevator cabin has a mass of 1200 kg. In 3.0 minutes, the cabin must be raised to a height…

A: Given data The mass of the cabin is mc = 1200 kg The height of the cabin raised is H = 54 m The…

Q: The electric motor of a model train accelerates the train from rest to 0.560 m/s in 33.0 ms. The…

A: Given : Initial speed (vi) = 0 because train starts from rest Final speed (vf) = 0.560 m/s Time (t)…

Q: A 60-kg jogger runs up a long flight of stairs in 4.0 s. The vertical height of the stairs is 4.5 m.…

A: Given : Mass of the jogger, m = 60 kg Time taken by the jogger to climb the stair, t = 4 s Vertical…

Q: 5. A 2-kg pendulum bob is attached to a string 1.2 m long. What is the work done by gravity as the…

A: Analyze the diagram of the given situation.

Q: A 2.5 kg cube glides down from the top of a 1.5 m high frictionless ramp. The angle of the ramp with…

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Q: If the 80 kg cyclist took 3.00 m horizontal distance to reach 5. 20 m elevation above the ground.…

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Q: The total mass of the model train is 500 g. The electri motor of a model train accelerates the train…

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Q: power

A: Given: Mass of the dragster = 650 Kg initial speed = 0 final speed = 110 m/s Distance= 400 m…

Q: What is the minimum work needed to push a 900 -kg car 750 m up along a 8.5 ° incline? Ignore…

A: The expression for work done is, W=FdCosθ                 (I)…

Q: You (50 kg) wanted to climb a slope (50) with a speed of 15 m/s. How much power do you need? Assume…

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Q: what is the output power for student D climbing stairs, in Watts? Use g = 10 m/s2.

A: Write the mass of the student.   m=80 kg   Write the vertical height of the stairs.   h=20 m   Write…

Q: Grains from a hopper falls at a rate of 22.1 kg/s vertically onto a conveyor belt that is moving…

A: Given: dmdt = 22.1 kg/sv =4.75 m/s

Q: A student who weighs 545 N climbs a stairway (vertical height of 4.3 m) in 30 s. What is the power…

A: The work done by the student is,

Q: A 0.135 kg ball is thrown straight up from 2.33 m above the ground. Its initial vertical speed is…

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Q: A horse is towing a canal boat, the tow rope making an angle of 10° with the towpath. If the tension…

A: Work done by tension force is given by W= Fd cos∅ where ∅ is the angle between townpath and the rope…

Q: A student lifts a 900 N bar (200 lbs) 0.5 m in 2.0 seconds. What is the work done by the student on…

A: Given: The weight of the bar is 900 N. The displacement is 0.5 m. The time duration is 2.0 s.

Q: A 500 kg horse can provide a steady output power of 750 W (that is, 1 horsepower) when pulling a…

A: Write the formula for power in terms of force. Therefore, the power output of the dog be:

Q: A car produces 54 kW of power to maintain a constant speed of 36 m/s on the highway. What average…

A: GIven data The power produced by the car is P = 54 kW. The constant speed maintained by the car is v…

Q: power of the machine

A:

Q: An Olympic weightlifter lifts a 2200 N barbell a distance of 2.2 m. This takes 1.80 s. a.     Find…

A: Data Given ,  1 kg mass exerts a force of about 9.8 N So , 2200 N = ( 2200 / 9.8 ) kg = 224.5 kg So…

Q: A force of 35 N is needed to keep a 5.0 kg body moving at a constant speed of 7.5 m/s. What power is…

A: Given force applied = 35 N Mass of a body = 5.0 kg Speed of body = 7.5 m/s (constant) We have to…

Q: A fountain pumps 550 gallons of water per minute to a height of 15 m in the air.  If one gallon of…

A: Given Data: The amount of water pump in a minute is: Q=550 gallons The required height is: h=15 m 1…

Q: The engine of a 1500-kg automobile has a power rating of 75 kW. Determine the time required to…

A: The energy consumed by the engine is the sum of the change in potential energy plus change in…

Q: A car speeds at 18 m/s. The force of resistance remains constant at 400.0 N during this time. What…

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Q: The unit of horsepower was defined by considering the power output of a typical horse. Working-horse…

A: Given: The mass of the horse is 1200 lb. The speed is 3.0 mph. The percentage of weight is 10%.

Q: Some students can run up the stairs more rapidly than others. How does increasing the speed of the…

A: Since you have asked multiple questions, we will solve the first question for you. If you want any…