Test II. Different Forms of Mechanical Energy. Potential energy or Kinetic energy. 21. Chemical 22. Thermal 23. Elastic 24. Radiant 25. Gravitational Test III M if the given situation possesses Mechanical energy and D if does not possess Mechanical energy. 26. Arabella is listening to music. 27. A boy playing an online game. 28. The student is sharpening her pencil. 29. A carpenter hammering a nail on the chair. 30. A mother turning the knob of the oven toaster.

Q: 10. What is the work from 6m to 8m in the diagram below? а. 2J b. 4J C. 6J d. 8J Posten m) (N

A: According to question we need to find work done from 6m to 8m.

Q: The third floor of a house is 10 m above the street level. How much work is required to lift a 500…

A:

Q: A 2.2 kg rock is held 10 meters above the ground and dropped. Using your knowledge of CONSERVATION…

A: Mass of rock (M) = 2.2 kg  Height of rock (H)  = 10 m  Acceleration due to gravity (g) = 10 m/s2

Q: An object with mass of 1000 kg rests on a ledge 200 m above sea level. Calculate the specific…

A: Gravitational potential energy is the energy possessed by an object due to its position in a…

Q: How much work is done (how much energy is required) to accelerate a 1987.5 kg car entering the…

A: According to  work-energy theorem work done is equals to changes in between Final kinetic energy and…

Q: An object having a mass of 0.79 kg falls from a height of 5272 m to 447.7 m. Calculate the work done…

A: Given :      mass of the object, m = 0.79 kg      Initial height , h1 = 5272 m      Final height, h2…

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: DIRECTION: Classify the following as a to potential energy or kinetic energy. Write K for kinetic…

A: The energy due to position is the potential energy on the object. The energy due to motion is known…

Q: 1. At the end of a 15-min session on a stationary bike at the gym, the bike's display indicates that…

A:

Q: A high-speed swimmer uses 120,000 � of energy in a half-minute race. Three quarters of the energy…

A: a) the one fourth of energy used to oppose the motion which is nothing but 120,000*(1/4) is equal to…

Q: 20. A small ball is dropped from a height which gives it a gravitational potential energy of 100 J.…

A:

Q: 3. Energy can be transferred between different objects or can be transformed between different types…

A: Please post the remaining questions separately! I will be doing question number 3.

Q: 12. When you go upstairs, you a. do more work when you walk than when you run b. do less work when…

A: 12.) Work depends on force and displacement only as force acting during running or walking is weight…

Q: What are three forms of energy possessed by a system by ignoring the magnetic, electrical, and…

A:

Q: The total energy of an object at rest 10 m above the ground on a building is 200 J. The object is…

A: Given , Total energy at 10m above the ground = 200 J Height ,h = 10m acceleration due to gravity, g…

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: Consider a lightbulb rated for a power of 20 watts. This lightbulb consumes a certain amount of…

A:

Q: 18. You perform an experiment involving the change of gravitational potential energy of a falling…

A: m = 5.19 kg mass of water (m') = 1.35 kg

Q: b. How much energy was dissipated due to friction in the process?

A: Given, Mass, m=24kgHeight, h=5.0mvelocity,v =2.8m/sacceleration due to gravity,g=9.8m/s2…

Q: 2. calculate the kinetic energy of a 0.134kg baseball traveling at 21.6m/s 3. how much work was done…

A: Given that- Mass of baseball(M)=0.134 kg Speed(v)=21.6 m/sec To determine that calculate the kinetic…

Q: According to the Law of Conservation of Energy, energy can never be destroyed, but merely…

A: Mass of object = 1 kg  Distance to which object is lifted upwards = 5 m  Force applied in upward…

Q: 9. When an object doubles its speed, the kinetic energy increases by a factor of a) 1 d) 6 b) 2 e) 8…

A: 9. we know that the kinetic energy of an object is defined as  KE=12mv2 where m is the mass of the…

Q: 13. A 3000 kg car travelling at 10 m/s rolls down a steep driveway that has a vertical drop of 5.0…

A:

Q: Assuming that there are no heat effects and no frictional effects, find the kinetic energy of a…

A: Since there is no external force is acting on the body therefore we can apply energy conservation.…

Q: 24. Which of the following is true about the kinetic friction force? I) It is a nonconservative…

A: 24. (I) Kinetic friction is a nonconservative force. => Yes this is true. Because the workdone by…

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: 1). what is the speed of a 14 kN body at rest then falling from a height of 238 m. 2). How much…

A:

Q: An American client calls you from Europe for your help in converting the pet food she can purchase…

A: We are given a bag containing pet food. We are given energy density of bag. This energy density is…

Q: 29.) Which of the following best describes the type of energy that is stored in the food you eat?…

A: When we eat food, we get energy to do various activities within the day.

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: Q1/ Correct the following statements (True/False). 1. Energy is not equal to the work done. 2. The…

A: SOlution: Using the conservation of energy principle state teh statements whether right or wrong.

Q: 8). For exercise, an 80 kg athlete climbs 20-m high stairs in 25 s. Assume the efficiency of the…

A: So in this question we are asked to calculate the metabolic energy of the athlete,  the change in…

Q: A single roller coaster cart with mass of 500kg is perched atop a 75m drop. It rolls down the hill…

A:

Q: 15. Refer to the graph below. Calculate the total work done from t = 0.00m to t= 8.00 me 12 10 2 Ar…

A: The area under the curve of the force v/s displacement graph gives the work done.

Q: Electric Bill. Your electric utility bill probably shows your energy use for the month in units of…

A: Given in question - 1kilowatt-hour = 1Kilowatt× 1 hour                                   Bill = 900…

Q: 4. Sasha lifts a couch from the ground floor of her house to the attic. If the couch has a mass of…

A: In this question we have yo find the energy gained by the couch. Please give positive feedback if…

Q: 5. A roller coaster cart with a mass of 5.0x10 kg travels on a frictionless track as shown in the…

A: Given, m=5.0×102kgvA=3.8 m/shA=5.0m

Q: 3. A 10-Newton object moves to the left at 1 m/s. Its kinetic energy is approximately ____ Joules if…

A:

Instantaneous Power

Power is defined in physics as the amount of energy transmitted or transformed per unit time. The watt is the unit of electricity in the International System of Units, equivalent to one joule per second.