R,- 120 1 R- 68 A V, - 75 V3 R- 560 1 R=120 1 R- 180 0 R- 68 1
Q: Work done When the direction of the force is in the direction of the displacement When the direction…
A: The work done by the object is expressed as follows. W=F·d Here, F is the force and d is the…
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A: CONCEPT: We know, work done = force x displacement So, work done W=F×d Where,…
Q: How much power is provided by a motor if it does 27 J of work in 3.0 seconds?
A: Work = W = 27 J Time = t = 3 s Power is defined as the work done per unit time. The mathematical…
Q: Which of the following is not a unit of power? a. J/s b. W⋅s c. ft⋅lbs/s d. hp
A: To find: which is not the unit of power?
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…
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Q: A particle starts from rest and accelerates as shown in Figure. Determine the particle's speed at t…
A: Initial speed of the particle is u = 0 m/s Time is t = 10 s .
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Q: Q1/ Derive the power (watt) into its the basic S.I units?
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Q: If the speed at x = 1, v(r = 1) = 3 m/s then the speed at x = 0, v(x=0) is:
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Q: velocity v at an angle 85. of 30.° above the horizontal. Projectile B is fired with velocity v at an…
A: 85.
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A: Power is defined as the rate of doing work. P=wt If a force F causes a displacement d in the object,…
Q: 6 cm 30 nC 2 cm B
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Q: What is the power in watts of a motor rated ¼ hp?…
A: Given: The power is 1/4 hp.
Q: What is the minimum power output of a small electric motor that lifts a 0.060 kg mass through 5.0 m…
A: Given data as per the question Mass to be lifted =0.060 kg
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Q: A 2,000-kg minivan is traveling on level ground at a constant speed of 10 m/s in a circle of radius…
A: Given data: Mass (m) = 2000 kg Speed (v) = 10 m/s Radius of circular path (r) = 50 m Required: Work…
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A: Terms given in left column : Power Physics unit of energy Physics unit of power Potential energy…
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A: Given data: The distance traveled is d=150 km. The speed of car is v=100 km/hr. The new speed is…
Q: 94. Which of the following is a unit of energy?* O a. W O b. kg m/s O c.J O d. m/s
A: Energy : Energy is defined as the capacity of doing work.
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Q: Q32. Which one of the following is possessed by a freely falling body during its fall? O Kinetic…
A: A freely falling body is defined as body which is falling under the influence of gravity. As it is…
Q: What is speed? Force x distance minus acceleration
A: Answer B) The distance an object moves over time Reason
Q: Find the kinetic energy of an electron whose de Broglie wavelength is 2.9 Å.
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A: three questions of kinematics.
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A: Potential Energy calculated as: U = mgh ......(1) Kinetic energy is calculated as: T =…
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: What is the minimum power output of a small electric motor that lifts a 0.150 kg mass through 2.0 m…
A: Given data: Mass (m)= 0.150 lg Height (h) = 2.0 m Time (t) = 40 s Required: Power (P)
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A: solution as
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Q: Determine the unit of energy if the power is measure in watts and the time in minutes.
A: Energy is the ability to do work. Power is the rate at which work is done. We can express energy…
Q: Q9. A body at rest cannot have O Potential energy O Kinetic energy O Electrical energy O Both A and…
A: The potential energy of the body posses when the body is at the rest. P.E = mgh The potential…
Q: 5m 4 83 ,= +2u C = - 2 u C 83 = + 4u C FIND FORCE ON 81: THE NET
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Q: Explain the power you expended when running and walking in the stairs
A: Solution:
Q: Q36. Alamp consumes 1000 J of energy in 10 s, what is its power? O 100 W O 1000 W O 100000W 1kW
A: Given that:- Energy=1000joule Time=10sec
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Q: Show how a change in ⁰F is equal to a change in R.
A:
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