Imagine that you drop a brick on the ground and it lands witha thud. Apparently the energy of this system tends to spontaneously decrease. Explain why.

Q: A 10 kg block is released from rest at the top of a 40 degree incline that is 4 m long. If the…

A: mass of object = 10 kginitial velocity ,u= 0 m/sdistance moved on inclined surface,d= 4 mangle of…

Q: Can something have energy without having momentum? Explain. Can something have momentum without…

A: It is possible for an object at height, h to possess a potential energy, while its momentum will be…

Q: The question "What is the change in the kinetic energy of the car?" was not solved correctly, is…

A: Given data: Mass of the car, m=1310 kg Initial velocity of the car, vi=79 km/hr=793.6=21.94 m/s…

Q: A ball of mass m is dropped from a height h above a surface. After bouncing the ball bounces to a…

A: The potential energy of an object with mass 'm' at a height 'h' is P=mgh.

Q: Four objects (A, B, C, & D) make up a closed system. The table below shows their energy at various…

A: Given data:  Four points make a closed system  at t  = 0 s the energy at various points EA = 59 J,…

Q: a 5.75 kg objects passes throuh the origin at tme t=0 ,such that its x component of velociy is 5.00…

A: Given, mass of the particle, m = 5.75kg x- component of velocity, vx = 5.00 m/s y- component of…

Q: f) A 5kg mass hits a wall with a speed of 5 m/s and rebounds with a speed of 3 m/s in the opposite…

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Q: 4. Spheres A and B are dropped at the same time from a clff. Sphere B is dropped from twice the…

A:

Q: Frustrated by another death in the game Elden Ring, Ryan throws his game controller at a wall. When…

A: Given: The mass of the controller: m = 0.2 kg. The initial height of the controller (when Ryan lets…

Q: How is the total energy of a system impacted when energy at the microscopic level changes? 5 2…

A: Hint: It depends on whether the 'system' being referred to is isolated. In other words if there is…

Q: Calculate the kinetic energy in joules of a 1400 kgkg automobile moving at 15 m/sm/s . Express your…

A: Given data:  Mass (m) = 1400 kg Speed (v) = 15 m/s Required: Kinetic Energy (KE)

Q: How fast would a(n) 77 kgkg man need to run in order to have the same kinetic energy as an 8.0 gg…

A: Write the equation for the kinetic energy. KE=12mv2 Here, The mass of the object is "m" The speed of…

Q: rue or false Energy is conserved in all situations.

A: Given: The answer is mentioned below:

Q: Imagine you have to choose between being struck by an arrow or a bowling ball, each with the same…

A: given data arrow has a mass of ~100 g travels 100 m/s. An average mass for a bowling ball is 7.25 kg…

Q: What is the ultimate source of energy for fossil fuels, dams, and windmills?

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Q: A projectile of mass 0.50 kg is fired with an initial speed of 10 m/s at an angle of 60° above the…

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Q: A 1.100 kg block slides down a frictionless inclined plane (height 0.800 m), moves across a rough…

A: mass of first block (m) = 1.1 kg Initial height of first block (h) = 0.800 m work done by friction…

Q: Two physics carts (both 100 g) with soft bumpers travel along a frictionless track toward each other…

A: Two objects adhere to each other after a perfectly inelastic collision. In such collisions, some…

Q: Calculate the total energy of the system just before the collision. Round the final answer to one…

A: The system’s total energy just before the collision can be given as, Here, K, m, and u represent…

Q: .The driver of a 1300-kg car moving at 17 m/s brakes quickly to 11 m/s when he spots a local garage…

A: Given: The mass of the driver and car is 1300 kg. The initial speed of the car is 17 m/s. The final…

Q: 6: On Neil deGrasse Tyson's reboot of Cosmos, he stands at the edge of an auditorium stage holding a…

A: We’ll answer the first question since the exact one wasn’t specified. Please submit a new question…

Q: 87. An artillery shell is fired at a target 200 m above the ground. When the shell is 100 m in the…

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Q: A running man has half the kinetic energy of a boy half his mass. The man speeds up by 1.0m/s and…

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Q: In this question you will use an energy approach to determine how the mass of a spring affects its…

A: Note: as per the policy, only the first three subparts of the question will be solved. If you want…

Q: Give one EXAMPLE of events where ENERGY is CONSERVED and Give one EXAMPLE of events where ENERGY is…

A: To give an example where energy is conserved and where energy is not conserved.

Q: A cart of mass m, moving to the right with velocity v1 undergoes a perfectly elastic collision with…

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Helmholtz Free Energy

The Helmholtz free energy is a thermodynamic potential used to calculate the measure of useful work from a closed system. This system is kept at constant temperature and volume. German physicist Hermann Helmholtz introduced this concept in 1882.