53. The electric motor of a model train accelerates the train from rest to 0.620 m/s in 21.0 ms. The total mass of the train is 875 g. Find the average power delivered to the train during its acceleration.

Q: What is the difference between energy and power?

A: S.No Energy Power 1 Capacity to do work Amount of work done 2 It is measured in Joules It…

Q: How much horsepower is 762 watts? Show the conversion and final answer with units.

A:

Q: Power is the rate of change in energy, regardless of whether the change is due to transformation,…

A: The rate of change in energy is called power. Energy cannot be destroyed, it can be transferred or…

Q: how did you calculate the power input?

A:

Q: 8. What are two ways that energy can be conserved?

A: Introduction: Energy is the quantitative property of the body which have the tendency to do work, it…

Q: The law of conservation of energy appears across Science in multiple guises. Outline how the law of…

A: Law of conservation of energy states that energy neither be created nor be destroyed ,only convert…

Q: 2. I=_mA E-24 V= P = 12 W

A: Given value--- power = 12 W. battery voltage E = 24 V. We have to find--- current?

Q: What is the difference between power and energy?  Answer by showing their units AND by providing an…

A: To Differentiate between Power and Energy .

Q: What are the units of power? a) Newton b) Joule c) Watt d) No units

A: To find: The units of power

Q: What generalizations can we make about using various sources of power?

A: There are several generalizations that can be made about using various sources of power:…

Q: One of these units are not power unit Watt N.m\s Joule-second O hp O

A:

Q: frictional forces in slowing a 1,645-kg car from 10.1 m/s to rest? Calculate to one

A: Work done = change in kinetic energy  W = ∆K  W = 1/2 m v2  Given m= 1645 kg  V final = 10.1 m/s  V…

Q: gy in a dam

A: Given: A change in energy in a dam is given as,

Q: What is law of conservation of energy

A: Energy can neither be created nor be destroyed it can only be transformed from one form to another.

Q: The principle of conservation of energy is represented by

A: For conservative forces, the total mechanical energy (= potential energy + kinetic energy) is…

Q: give a description about the given applications  -energy

A: Energy is the fundamental form of living for all living beings. There are different forms of energy…

Q: QUESTION 4 Which of the following is the correct SI unit of power ?

A: Power is the time rate of energy. P=Et SI unit of power is Watt

Q: If you do 29 J of work in 2.1 seconds, how much power was generated? Round to the hundredths place…

A: Given  Work done (w)  = 29 J  Time taken ( t ) = 2.1 s   Power is definined as rate of work done .…

Q: The units of Power is Select one: a. N.sec b. J/sec c. J.sec d. N/sec e. J/sec2

A: solution as

Q: Analyze how the conversation of energy was proven

A: Conservation of energy has rigorously proven by well known scientist Albert Einstein. The discovery…

Q: Explain the effect of increasing r on power?

A: The power and resistance relation can be explained at constant current and constant potential…

Q: Definition of poteniak energy

A: Potential energy is the energy possessed by an object because of its position relative to other…