1. Describe the principle of conservation of mechanical energy with words and an equation. Define all parts of the equation.

Q: 3. Consider a 65-kg object moving at a speed of 12 m/s. Use work and energy to solve for the…

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Q: d. ma 350 5m 2. A runner weighs 500 N. Initially his speed is 5 m/s. a. If he does 30 J of work,…

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Q: A forklift at a warehouse moves at a constant speed of 36 km•h-1. A constant frictional force of 800…

A: A friction force is the force which always opposes the relative motion between the two bodies.

Q: You eat a sandwich. Later that day, you walk up a flight of stairs. a. Describe how energy changes…

A: a. The sandwich contains energy in the form of chemical energy.  When I ate the sandwich, this…

Q: 1. An engine with displacement of 2.0 L develops 270 hp. How many horsepower would be developed by a…

A: 1)Displacement of engine = 2 L Power of engine = 270 hp Displacement of second engine = 1.8 L Power…

Q: A pump is required to lift a mass of 810 kgkg of water per minute from a well of depth 14.1 mm and…

A: Answer:-  Given,  Mass(m) = 810 kg water per minute  Height (h) = 14.1 m  Speed (V) = 18.1 m/s…

Q: 2. A bowler lifts a bowling ball from the floor and places it on a rack. If you know the weight of…

A: Given,             we know that ,weight of the ball Here, work done =change in potential energy…

Q: 2. How long must a 100-W light bulb run in order to consume a million joules of electrical energy?…

A: (2)    Given data:                      Power (P) = 100 W                      Electrical Energy (E)…

Q: 2. Which statement best explains what happens to the mechanical energy of the system (roller…

A: Given data: Speed of the roller-coaster is increasing Required: Mechanical energy of the system

Q: What happens when an object is moved against gravity, such as rolling a toy car up a ramp? a.…

A: Option C is correct

Q: 1. A force acting upon an object to cause a displacement is known as energy b. potential ckinetic d.…

A: A force acting upon an object to cause a displacement is known as work. Hence, correct option is…

Q: Don't use Artificial intelligence tools. Only Handwritten solutions are allowed. Mechanical…

A: This total energy per unit weight includes all the potential energy, kinetic energy, and pressure…

Q: QUESTION 3 What is the total mechanical energy of an object that has a potential energy of 65 J and…

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Q: Energy O Pie Chart V Speed + 8 00:00.00 Speed V Stick to Track Friction 8.8 m/s None Lots Gravity…

A: The total mechanical energy ( Kinetic energy + Potential energy ) of a system remains constant if…

Q: If a 1300 kg car can accelerate from 35 km/h to 60 km/h in 3.6 s, how long will it take to…

A: The objective of the question is to find out the time it would take for a car to accelerate from 60…

Q: The below chart represents an object's mechanical energy at two points in time. Assume that the…

A: Dear student,                     According to the guidelines I am allowed to answer only one…

Q: 5. What is kinetic energy? Select one: a. stored energy b. energy of friction c. energy of motion d.…

A: Kinetic energy: It is the energy possessed by the object due to its motion. When the object having…

Q: 1. Energy 2. Joules A 3. Work C 4. Power E A. The units for work and energy. B. Stored or gained…

A: “Since you have posted a question with multiple sub parts, we will provide the solution only to the…

Q: How much work is done when a 4kg block of ice is moved from rest to a speed of 5m/s?   A. 50 J…

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Q: Positive work W done on a system means O a. Energy is transferred out of the system b. Energy can…

A: Introduction: A thermodynamic system is a matter or object that is confined in space by walls, which…

Q: 10.) What is one effect of friction? a. Mechanical energy is transformed into thermal energy. b.…

A: Effect of friction

Q: 5. Two blocks with unequal masses, M and m (M = 2m), are connected by a light, very long cord…

A: the force of the equation is for mass M, Mg-T = Ma                       - (1) for mass m, T-mg=ma…

Q: Energy can be transferred between objects and it can change forms.   a. Give an example of a…

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Q: 1. Which of the following statements describes motion?  A. It is the ability to do work. B. It is…

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Q: A body moves with increasing speed.  Which of the following statements is true? A. The net work…

A: Given data:  A body moves with increasing speed Required: The correct statement about the work done…