length 0.32 m can gener Tin its core when its coils windings made of a nio
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A: Helicopter requires more energy in summer to create the same lift . In summer since temperature is…
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A: In a completely inelastic collision, the moving body hits the other body and then both the bodies…
Q: A small vegetable shop use the following clectric appliances: (1) Two Air Conditioner of rating 1500…
A: Given that, Two air conditioner rating 1500 W (P1)=2× 1500 W = 3000 W = 3KW For time ( t1) 10…
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Q: A skier slides down a perfectly frictionless slope, then enters a rough flat ski-track and…
A: If no dissipative forces (like friction ) are present ,then total.mechanical energy remains…
Q: When do we say that work is dine on an object?
A: Usually their are two types of work which are classified for a system. They are work done on the…
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…
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A: Definition: The steady flow devices deliver the most and consume the least work when it undergoes a…
Q: ou do work?
A: Given: To explain the measure the rate of work as,
Q: Suppose that an engine has 28% overall efficiency. Find how much work is done in a time interval in…
A: The efficiency is defined as the ratio of work done to the input heat. η = WQin Where, W is the…
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Q: A body does 20 Joules of work in 5 seconds. What is its power?
A: Given data : Time taken = t Work done = W To find : Power…
Q: An engine, operating with an efficiency of 0.225, delivers 8.10 ✕ 105 J each minute. What is the…
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Q: +29 a -29 +29 +29 -29 +29 1. 2. a = 2mm k. = 9. 10° () (Nm² q = 3µC Find the work to be done against…
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Q: Because of the heat, can work be done?
A: Yes, absolutely the heat can do work.
Q: A pair of long, rigid metal rods, each of length L, lie parallel to each other on a perfectly smooth…
A:
Q: If the efficiency of a coal-fired electrical generating plant is 35%, then what do we mean when
A: Law of Conservation of Energy: The Law of Conservation of Energy states that the total energy of an…
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A: Given Data, Metabolic Power required for walking (P)=316 W Energy Content in a can of soda (E)=628…
Q: Q8 (a) (1) Distinguish between renewable and non-renewable energy sources giving an example of each…
A: We are allowed to answer only the first question. For solutions to other questions, please re-post…
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A: We are given wind turbine. We are given density. We are given radius also. We are given efficiency.…
Q: Using data from Table, calculate the daily energy needs of a person who sleeps for 8.00 h, walks for…
A: The surface area of the person is found as,
Q: A man spends 2.4 kJ energy in displacing a body by 48 m in the direction in which he applies force…
A: Given, Work done by man, W = 2.4 kJ distance moved, d = 48 m time, t = 1.5 s
Q: 53. (II) A 66-kg skier starts from rest at the top of a 1200-m- long trail which drops a total of…
A:
Q: Is the engine still firing? Explain.
A: Yes.
Q: A power output of 18.0 h.p. is required to overcome friction and move a certain car at a constant…
A: The power required to move a body at a certain velocity is given by P = F×v, where F = the force…
Q: When you wind up a spring in a toy or stretch a rubber band, what happens in terms of work, energy,…
A: Energy can neither be created nor be destroyed but it can be converted from one form of energy to…
Q: 93 91 2nC 2nC 2nC 0. Sm O.Sm caleulate the energy of the system.
A: The electric potential energy U due to a system of three charges q1, q2, and q3 is given by, U =…
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A:
Q: A textbook claims that walking at a speed of 1.39 m/s requires a power output Pwalk=280 W. The basal…
A:
Q: 2. Power analysis For a given amount of energy, be able to calculate how long it can power something…
A: Yes, we can give an example of the above format. Energy E = X J Power P = Y MW
Q: Which of these uses thermal energy to do work? (a) a person walking uphill (b) a hot air balloon.…
A: In this problem, we have to select all which use thermal energy to do work.
Q: Rub your hands together vigorously. What happens? Discuss the energy transfers and transformations…
A: Hands are felt warm when rubbed. When we rub the hands,hands are having kinetic energy .It is the…
Q: how to know if work is done towards the system or done by the system
A: In simple words if we give energy to system then this means work done on the system. also this means…
Q: From the word energy, give at least 5 words/ideas/concepts that you can think of?
A: The energy can be termed as the capacity to do work . It can be of several forms like Electrical…
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