mechanical deu the externa
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: Calculate the kinetic energy in Joule, of a car of mass 1500kg travelling at 90km/h.
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Q: How much work is needed to stop a 1330 kg car that is moving straight down the highway at 15 m/s?
A: Given: mass of the car (m) = 1330Kg Initial speed of the car (u) = 15 m/s…
Q: Distinguish between conservative force and non conservative force.
A: A conservative force does not remove or eliminate mechanical energy from the systems. It just…
Q: A body does 46 Joules of work in 5 seconds. Calculate the power?
A: Introduction : In this question we are provided it value of time taken and work done . With these…
Q: 1 kWh- 1000 j/sec 1 kWh - 3400 BTUS 1. 3000 watts =3 kW %3D 2. 50,000KW = 3. 4.5 x 10^ 6 watts = 4.…
A:
Q: A pump is required to lift 800 kg (about 200 gallons) of water per minute from a well 10 meters deep…
A: Power= (force× distance)/time P = mgh/t 1HP = 745.7 watt Potential energy = mgh Where, m = mass h =…
Q: energy supplied by such a diet each second, and hence the person's average power. (Give your answer…
A: The energy needed for the person per day, E=10 MJ We know that, I day=24 h=24×60×60 s=86400 s The…
Q: Determine the value of work done if force applied on crate is 13 N displace the object by 2 m
A: If we apply a force F on an object and for which the object will displace by an amount x, then the…
Q: Which situation would produce 200 Watts of power 2 jof work done in 100 s 100j work done in 2 s…
A: Given power(p) = 200 watts
Q: Calculate the kinetic energy of a 45 gram golf ball travelling at 40. m/s.
A: Kinetic energy of any object is the energy due to the motion of the object. It is given by,…
Q: A pump is required to lift 800 kg (about 200 gallons) of water per minute from a well 10 meters deep…
A: Given data: The mass of water taken in t=1 minute is m=800 kg. Depth of well is h=10 m. The…
Q: Find the time it takes to raise a 100 KG object a distance of 25 m in 1800 W of power are generated
A: Given Mass m = 100 kg Distance raised h = 25 m Power = 1800 W
Q: How is force related to power? Power times force is velocity. Force divided by…
A: Required: The relationship between force and power
Q: Calculate the power a car engine contributes to speeding the 1400 kg car up to a highway speed of…
A: Given information:
Q: Calculate the power a car engine contributes to speeding the 1900 kg car up to a highway speed of…
A: Consider the initial speed of the car be v0, the mass of the car be m, the final speed of the car be…
Q: a bulldozer performs 80000 n-m of work pushing dirt a distance of 16m what is the fore of the dirt
A: Given:W=80000N⋅m (work done),Distance=16m (distance pushed),The work done (W) can be calculated…
Q: Calculate the average power required to raise a 140 kg drum to a height of 15m in 1 minute
A: The potential energy at a height h is P.E=mgh…
Q: Which one of the following items is NOT related to mechanical forms of Work? Shaft work…
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Q: A 85 lb mass stretches a spring 3 inches. Find the work done by the force to stretch the spring 7…
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Q: Give 5 situations in which work is not done on it.
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Q: When a child descends a sliding board in a playground, does the total macroscopic mechanical energy…
A: Macroscopic mechanical energy is the sum of the kinetic energy (the energy of motion) and the…
Q: When lifting a dumbbell up and down the total work done is equal to zero True or False
A:
Q: A body does 22 Joules of work in 5 seconds. Calculate the power ?
A: Given data: Work (W) = 22 J Time (t) = 5 s Required: Power (P)
Q: Power is expressed by which of the following units?
A: Solution
Q: A rocket sled having a mass of 1,504 kg reaches a speed of 349 " in 9 seconds. What average power…
A: Given data m=1504 kgV=349 m/sect=9 sec
Q: Find the work done if force applied on crate to displace crate through 5 m is 21 N
A: Given value--- applied force = 21 N. distance = 5 m We have to find--- work done?
Q: An apple weighing 1 N falls through a distance of 1 m how much work is done on the Apple by the…
A: Solution
Q: A roller coaster is at the bottom of its hill it has
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Q: Name the physical quantity which is measured in terms of horse power.
A: Watt is the unit of power and Horse power is also a unit of power which is denoted as 'hp' .1…
Q: Calculate the kinetic energy of a 150 g baseball moving at a speed of 40. m/s
A:
Q: When is the conservation of energy equation used to solve problem is kinetics?
A: By conservation of energy, we mean that energy present in form is never exhausted or finished but it…
Q: How fast a small car of 1573 kg move to have the same kinetic energy as a 69.8-kg sprinter running…
A: Given that:- mass of car = 1573 kg mass of sprinter = 69.8 kg speed of runner = 9.35 m/s kinetic…
Q: How are work, force and distance related?
A: Given: work, force and distance
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