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Q: How long will it take a 4 hp motor to lift 400 kg piano to a sixth story window 1800 m above?
A: 1hp =746W so 4hp=4*746=2984W Mass ,m =400kg Height, h=1800m energy required to lift, E=mgh where g…
Q: A proton is located at x = 1.0 nm, y = 0.0 nm and an electron is located at x = 0.0 nm, y = 4.0 nm.…
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Q: 2. Before 50.0 kg V₁ = 2.00 m/s V₂ = 0 m/s 25.0 kg €
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Q: How much work is done by pulling the box in the figure for distance 20 em F-30 N 60 O 300 N O 3J O O…
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Q: 6 cm 30 nC 2 cm B
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Q: Which of the following the SI unit for gravitational kinetic enengy O Work O Wat Joule O Kihigram O…
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Q: A val IS KICKeu iHoI ne grounu at pom U WII an al verocty vo makes an angle 0 = 30° with the…
A: Hi, you have submitted multiple questions and it is not specified in which problem you need help.…
Q: Find work done F=12 N 14-5m
A: Given data: Force (F) = 12 N Displacement (d) = 5 m Required: Work (W)
Q: An electric car can go 150 km on a test track at a constant speed of 100 km/hr on one charge of its…
A: Given data: The distance traveled is d=150 km. The speed of car is v=100 km/hr. The new speed is…
Q: How can energy be transferred back forth between kinetic energy and potential energy?
A: Ans:- Kinetic energy can be stored if we drop the object from the shelf or release the spring,…
Q: What is speed? Force x distance minus acceleration
A: Answer B) The distance an object moves over time Reason
Q: 12. How long will it take a 2750-W motor to lift a 385-kg piano to a sixth-story window 16.0 m…
A: Given, Power = 2750 W mass = 385 kg length = 16 m
Q: | How can energy be transferred back forth between kinetic energy and potential energy?
A: We can say that, Kinetic energy can be stored if we drop the object from the shelf or release the…
Q: For each of the situations compare the forces exerted by the blocks on each other as they move on a…
A: To draw the force diagram for the given situations 7,8,9
Q: Question 21 of 22 The batteries in the circuit below are ideal with &₁ = 22 V and ₂ = 10 V. The…
A: To solve this problem we apply kirchoff's voltage Law in circuit we take clockwise sense for flow…
Q: Find the work done by the force field F(x, y, z)=xi+yj+4zk on a particle as it moves along the path…
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Q: can a potential energy be negative? or it should always be positive?
A: Potential energy can be positive , zero or negative . It is a relative term which depends on…
Q: 49. Find the work done by the vector field x²+y² i+ Vx2 + y² in moving an object around the unit…
A: Given; Fx,y=xex2+y2x2+y2i+yex2+y2x2+y2j
Q: PartB: What1 the change in prers ure, in pascals,07 bluool atthe brain due To sitingup, neglecting…
A: As person sits up and height was raised due to this as a result heart needs to create more pressure…
Q: 44. The work done when the point of application of a force F=(15i+7k)N moves through a displacement…
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Q: 8. Find the work done by the field F in moving an object from P to 5 F(x, y) = x² ↑ + y³ Ĵ; P(1,0),…
A: Given, Force, F→ = x5 i^ + y5 j^ P1, 0, Q3, 3
Q: The work is done in one second, or one hour, or one year is called the power. True False
A: Explanation :- We know that rate of work done i.e., work done per unit time is termed as power and…
Q: Calculate q when a system does 57.7 J of work and its energy decreases by 71.47 J
A: Given data: Work done by system on surrounding W = -57.7 J Change in internal energy (ΔU) = -71.47…
Q: 39.) More work is needed to carry a heavy suitcase slowly up a flight of stairs than to carry the…
A: Work done is given as: W=F.s=Fs cos θ Where, W→ work done F→Force s→displacement θ→∠ b/w force &…
Q: 5m 4 83 ,= +2u C = - 2 u C 83 = + 4u C FIND FORCE ON 81: THE NET
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Q: Analyze the degree of freedom or how many independent controllers to be incorporated for the…
A: Solution The number of independent variables required to completely specify the state of a system is…
Q: How long will it take a 25 kW motor to lift a 1200 kg elevator from the ground to the 30th story of…
A: Power = 25 kW = 25000 WattsMass =1200 KilogramsHeight = 129 meters
Q: A speed boat requires 80kW to move at a constant speed of 15 m/s.What is the resistance force of…
A: Resistance is a measure of the opposition to current flow in an electrical circuit. Here, we…
Q: Show how a change in ⁰F is equal to a change in R.
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Q: A traveler pulls on a suitcase strap at an angle of 31.6 degrees above the horizontal. if 566 J of…
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Q: Usain Bolt grabs a rope hanging vertically from an overhead bar when he is running at 10.44 m/s. How…
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Q: The gravitational potential energy stored in a box of weight 150 kgf is 1.5* 104 J. Find the height…
A: Write the given values with the suitable variables. W=150 kgf=150×10 NP=1.5×104 J Here, W is the…
Q: ot a 51 g ring consta tched by 0. s the pebble
A: We know that As per given The catapult is initially stretched by x =0.2 m The pebble files let a…
Q: Coleulaute the gravitational Potential energy of a 12.6 kg box on a shelf 4,0m above the fJoo.…
A: We know thatU=mghHereU=potential energym=mass of objectg=gravity accelerationh=height from refrence…
Q: opiananTne Force required to compress a non-standarcl spring SVod AdısPiacement From equilibrium X…
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