A block slides along a frictionless floor and into a stationary second block with the same mass.  The figure below shows force choices for a graph of the kinetic energies K of the blocks. a)  Determine which represent physically impossible situations.  Separate multiple letters with a space. Answer 1 (b)  Which represent(s) an elastic collision?  Separate multiple letters with a space. Answer 2 (c)  Which represent(s) an inelastic collision?  Separate multiple letters with a space.

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

A: Given, Four objects make up a closed system. Total energy at t = 0s is EA + EB +EC +ED = 86J +49J+…

Q: Question 8 A car's bumper is designed to withstand a 4.0-km/h (1.12-m/s) collision with an immovable…

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Q: A 4.0 kg body has two times the kinetic energy of an 8.5 kg body. Calculate the ratio of the speeds…

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Q: A block Is placed on top of a vertical spring, and the spring compresses. The figure below depicts a…

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Q: Choose which statement describes a process in which an external force does negative work on the…

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Q: A car's bumper is designed to withstand a 4.32 km/h (1.2 m/s) collision with an immovable object…

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Q: A7.80 g bullet has a speed of 580 m/s when it hits a target, causing the target to move 6.10 cm in…

A: It is given that m=7.8 g=7.8×10-3 kgu=580 m/sx=6.10 cm=0.0610 m

Q: a .40 kg block initially at rest on a frictionless horizontal surface is acted upon by force of 5.0…

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Q: m/s. 1) Draw a sketch of the situation, labeling all of the phy

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Q: A car's bumper is designed to withstand a 6.48-km/h (1.8-m/s) collision with an immovable object…

A: Basic Details According to the work energy theorem, the net work done is equal to the change in the…

Q: A father racing his son has 1/3 the kinetic energy of the son, who has 1/3 the mass of the father.…

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Q: A ball of mass m is thrown from ground level with initial horizontal velocity component Vox and…

A: Given: Mass of a ball is m. Initial horizontal velocity component is v0x Initial vertical velocity…

Q: ssignment 11 Use the following information to answer the following question. A 162 g hockey puck is…

A: Given: Mass m=162 g Initial speed u=42.7 m/s Final speed v=34.2 m/s Distance covered d=200 m Find:…

Q: A box with mass 410 g moving on a frictionless surface at an initial speed of 1.5 m/s undergoes an…

A: mass of first box = m1= 410 g initial velocity of first box = V1i= 1.5 m/s final velocity of first…

Q: When an inelastic material is in a collision, A) the work done to deform the material is equal to…

A: Here option (e) is correct. i.e some of the work done to deform the material is converted to other…

Q: A roller coaster cart of mass 139.0 kg is pushed against a launcher spring with spring constant…

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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: ar's bumper is designed to withstand a 4.68 km/h (1.3 m/s) collision with an immovable object…

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Q: 8. The paths of a roller coaster have been provided for different rides. Assuming each of the…

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Q: A locomotive of mass m= 1.134 × 10 kg uses 37.8 kW of power to accelerate at a constant rate for…

A: Let v be the velocity of the locomotive after 15 s, u be the initial velocity, F be the force, m be…

Q: Problem 7: A crate of mass m is initially at rest at the highest point of an inclined plane, which…

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Q: 4. Two identical masses are suspended by strings wrapped around identical frictionless pulleys,…

A: For systems 1 and 2, According to the conservation of energy, Initial energy = Final energy…

Q: In being served, a tennis ball is accelerated from rest to a speed of 43.9 m/s. The average power…

A: The force acting on the ball is 133.03 N

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.