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Q: A small car (800 kg) and a large truck (4000 kg) travel toward each other, each at 8.00 m/s, and…

A: Given, mass of the car, m = 800 kg mass of the truck, M = 4000 kg moving with velocity, u = 8.00 ms…

Q: A battery with emf 24.0 volts and internal resistancer=2.0 ohms is pictured in the thick-lined box…

A: When the switch is open then current flowing through the wire is zero.

Q: What is recycled energy?

A: The energy formed from the waste heat by utilizing this energy and by converting it into electricity…

Q: Kinetic energy is O the energy stored in an object. O the energy of motion.

A: There are different forms of energy, Kinetic energy, potential energy, electrical energy, sound…

Q: 1. What is potential energy? 2. What is kinetic energy? 3. What type of energy can be changed to…

A: Since you have posted a question with a multiple sub parts, we will solve first three sub - parts…

Q: Which statement is incorrect regarding energy use? O a. Our energy use has increased tremendously…

A: Answer is option DA major portion of world energy use today is from non conventional energyBecause…

Q: What is degraded energy?

A: The thermal energy that transferred into the surrounding environment after any process. Once…

Q: Large meteors sometimes strike the Earth, converting most of their kinetic energy into thermal…

A: Given data: Mass of meteor is, m=109 kg. Velocity of meteor is, v=25 km/s=25000 m/s. Temperature…

Q: what kin of energy is produce when water in tank is positioned 5 feet above the ground level

A: The Question being asked is  "what kind of energy is produced when water in tank is positioned 5…

Q: Pls help with below homeowrk-) To save electricity which are the five energy-saving design features…

A: Below are top 5 techniques that will help to generate green buildings

Q: An 1100 kg car moves at 22m/s. Neglecting friction, what braking force is needed to stop the car in…

A: CONCEPT: Given, Mass of the car is m = 1100 kg. Initial velocity of the car is u = 22 m/s. Time is t…

Q: A 67.3-kg boy is surfing and catches a wave which gives him an initial speed of 1.60 m/s. He then…

A:

Q: What is the kinetic energy in J of a 55.2 gram tennis ball approaching a tennis racket at 20.0 m/s?

A: Given: The mass of the ball is 55.2 g. The speed of the ball is 20 m/s.

Q: Answer question 11 showing fully all the steps. Solution should be simplified and easy to understand…

A:

Q: How many Ergs are there in 1 Joule? a) 10 b) 104 c) 107 d) 109

A: To find: How many Ergs are there in 1 Joule

Q: Discuss the difference between energy conservation and energy efficiency and explain why energy…

A: Energy conservation involves using  less energy by adjusting our behavior and  habits. Energy…

Q: Non-renewable energy sources include all of the following except A. natural gas. B. wind energy. C.…

A: First let's understand the meaning of non renewable energy sources.The types of energy that can't be…

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: 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: An obget of ma gs 14 Kg is at a certain height abere the grond. If the Potential energy of the…

A: Given data :                   Mass  of  the  object    =    m                   Potential energy…

Q: How is wind power a renewable energy resource?

A: To explain : "How is wind power a renewable energy resource"

Q: Radiant energy is proportional to A. T В. Т? C. T D. T

A:

Q: State law of conservation of energy.

A: Statement of Law of conservation of Energy:The law of conservation of energy states that energy can…

Q: demonstrates a direct energy transfer? demonstrates a direct energy transfer? When the traffic…

A:

Q: 1. What is the work required to cycle 60 revolutions with a resistance setting of 4 kp on a Monark…

A: 1. Given that, 1 pedal revolution = 6 m 1 kp = 10 N Distance, d = 60 revolutions => d = 60*6…

Q: What happens to the energy after the object hits the wall? Why

A: Introduction: From the conservation of the energy, the energy can't be produced and can't be…

Q: A car increases itsr kinetic energy from 120,000J to 150,000J in 15 seconds. The engine is rated at…

A: Ki=Initial kinetic energy=120000 JKf=Final kinetic energy=150000 Jt=Time taken=15 sPr=Rated…

Q: Calculate the energy released when 1000 small water drops each of the same radius 10-7m coalesce to…

A:

Q: Which one of the following can produce maximume of power about 5KW? a. Solar b. Fuel cell c. Wind d.…

A: Solar energy is an essential source of renewable energy. It is a radiant light from the sun that is…

Q: body Becond What jB jts power ? joules of work jm 9 do es 45

A: Given data :            Work  =  w           Time  =  t             To find  :                Power

Q: A hedgehog is foraging in Victoria Park. Its net gain rate ( γ ) is 55 KJ/hr and its energetic gain…

A: Given  Net gain rate (Y) = 55 kJ/hr  Energetic gain rate (b) = 80 kJ/hr  Energetic expenditure…

Q: 12. What is the potential energy of a 3kg ball that is on the ground? 13. A roller coaster is at the…

A: Given 12. Mass = m = 3 kg We have to calculate potential energy on the ground 13. Height = h = 72m…

Q: 34 A Sled of mass =6.50 ke s Shay slope is shd hill that hes oloun A Sled mass =6.50 Snow-Couered…

A: Sled is going down so friction will act upwards parallel to incline. Weigh of sled will act…

Q: A 5 Kg block moves with speed of 72 Km/h. its kinetic energy is 100J.a O 1000J.bO 2000J.cO

A: Answer:-        (b) 1000 J Given  Mass of a block ( m) = 5 kg  Speed (V) = 72 km/ h  V = [(72 ×…

Q: What is ‘renewable source of energy’ and why is it important?

A: To discuss: What is ‘renewable source of energy’ and why is it important?

Q: The space shuttle burns 30 billion (30,000,000,000) Joules of energy in 1 second. Its engine are…

A: We can use the principle of conservation of energy to calculate the velocity of the space shuttle at…

Q: Mention the advantages of horizondal Axis wind turbine.

A: There are many advantages of horizontal axis wind turbine. Some of them are mentioned in next step.