2. Study the energy-diagram below and do the following: (a) Label the parts (b) Identify the total mechanical energy, potential and kinetic energy in x1, X2 and x3. (Note: Conservative force does the work) (c) Make a diagram of force vs. distance based on the energy-diagram. U 5 3 2 X1 X2 X3 X4

Q: Power is the rate at which you do work. You spend more power when you A) do the same work for a…

A: Power is obtained when the work done is divided by the time the work is being done. where

Q: car is moving towards a ramp at a speed of 9.0m/s, as shown below. The length of the ramp (not the…

A: speed of car (u) = 9 msLength of ramp (L) = 12 m efficiency (e) = 71% θ = 12o

Q: A body does 30 Joules of work in 6 seconds . What is it's power ?

A: Given data :   Work done   =   W    Time taken   =   T        To find :            Power

Q: What are the equations for Systems with Potential Energy ?

A:

Q: What do you understand

A: Given;  What do we understand if the machine is 85% efficient. Derive the statement ?

Q: 25. It is defined as the rate at which work is done. mechanical energy O power work O joule O o o O

A: The work can be expressed as,  W=Fs Here, F is the force applied, and s is the displacement caused.

Q: Sam's job at the amusement park is to slow down and bring to a stop the boats in the log ride. If a…

A: Mass, m = 1200 kgInitial velocity, u = 0.5 m/sFinal velocity, v = 0 m/sWork done, W = ?

Q: How could you characterize the work potential of solar energy when used to produce work?

A: Estimated global potential of solar energy ranges from 1600 to 49800 exajoules. The measurement is…

Q: Which option is the best energy transfer proc

A: In the given scenario wax of the candle burns to produce light and heat. The wax of candle is having…

Q: Which Statement about Energy is NOT true? O Energy can be created or conserved as needed O Energy…

A: we know that when one thing is transferred into other thing ,for example mechanical energy into…

Q: Question 8 30 kg Michaela is swinging on a swing. Her total mechanical energy is 600 J. At what…

A:

Q: maximum power transfer takes place at an efficiency Select one: a. 25 % b. 50 % c. 75 % d. 100 %

A: The efficiency is defined as the ratio of the out put power to the in put power.

Q: How much work does a supermarket checkout attendant do on a can of soup he pushes 0.300 m…

A: A. Given that force on car is 5.20N, and horizontal displacement is 0.300m.

Q: ou do work?

A: Given: To explain the measure the rate of work as,

Q: Work is measured in the units of? Choose all that apply.   A. Joules (J)   B. Kilocaloie   C.…

A: The international System of unit of work is joule. The symbol of joule is J. Joule is equal to the…

Q: a 20kg object gains 700 joules of potential energy. what is the objects change in height

A: Given quantities: mass of the object (m) = 20 kg potential energy gained (P) = 700 Joules…

Q: A 1,100 kg horse is walking at 3.0 m/s. How much energy does the horse have? Your answer: O 1,700J O…

A:

Q: What is the minimum energy needed to change the speed of a 1,683-kg sport utility vehicle from 16.7…

A: Let m be the mass of the sport utility vehicle, vi and vf be the initial and the final speed of the…

Q: based on the definition work vs. energy provide an example of work vs. energy in your daily life.

A: Given Data: Work vs. energy To Determine: An example of work vs energy in daily life.

Q: Explain why an object moves faster as it goes down a hill in terms of energy.

A: Answer :-  An object moves faster as it goes down a hill because change in energy from one form to…

Q: A crane lifts a 320 kg crate up a height of 6.5 m. What type of energy changes occur?

A: Write the given values with the suitable variables. m=320 kgh=6.5 m Here, m is the mass and h is the…

Q: QUESTION 6 The total energy is the sum of kinetic and potential energies. E=KE +PE

A: The mathematical expression for the kinetic energy of a body is given as, KE=12mv2........(1) here,…

Q: . At the first stage of a roller coaster ride, the 1200kg roller coaster ends up 50 m above its…

A: Mass of the roller coaster(m)=1200kg Height(h)=50m

Q: effi 50 O60 O70 80

A: GivenInput Power, Pin=50 WMass of object, m=10 kgHeight, h=2 mTime, t=5 s

Q: The total energy a system includes all but which of the following? O Kinetic energy O Potential…

A: The total energy of any system is a sum of all the possible energies of the system, which are both,…

Q: List some loads that you use in your household and identify the form of output energy.

A: LOAD- A load is an electrical instrument that consumes electrical power.

Q: True or False: The energy in the food you eat was created when it was grown.

A:

Q: It is easy to create and destroy energy. True False

A:

Q: The unit for energy is O Juwel O None of the choices Newton x meter O Watt

A: The energy is a quantitative property that is transferred from a physical system to perform the…

Q: Explain what does work do to the total amount of energy?

A: Work is said to be done when a force is applied through a distance.This means that when a force is…

Q: A 3.5 kg rock is at the top of a 37 m cliff. How much energy does the rock have? Your answer: O 130J…

A:

Q: 11 19. An applied force of 750 N is applied to a crate at an angle of 5° below the horizontal. The…

A:

Q: Calculate the energy used per day (kWh) of a car with an efficiency of 12 kilometers per liter and…

A: Answer:- 12.5 kW h  Given  Total distance travelled by the car per day (S) = (90)/(6) = 15 km per…

Q: A force of 5 N exerted on a small piston in a hydraulic press causes an output force of 500 N at the…

A: Force exerted on small piston (f) = 5 N Output force (F) = 500 N

Q: How does a machine make work easier? A machine makes work easier by changing.... Choose the three…

A:

Q: For each type of energy, give an example from the paragraph. When a car is running, it burns…

A: 1. Example of Electrical Energy:  Power to the headlights and the electricity provided to make the…

Q: How fast can you get work done choose the formula that is implied F=m a Ek=1/2mv^2 P=w/t Efficiency…

A: Power is defined as the rate at which work is done. Power=Work doneTime taken