2. Two identical masses are on a frictionless table. One mass is accelerated by a 10 N force over adistance of 1 m. The second mass is accelerated in the same direction by a 5 N force over a distanceof 2 m. Which of the following statements is false?k done by gravity of the weight at all arbitrary angie.A: The work done on both masses is the same.B: The final velocity of both masses is the same.C: The acceleration of both masses is the same.D: The time taken for the second mass to reach top speed is double that taken by mass one.3. In the same scenario, the second mass is accelerated forward by a 5 N force for 10 seconds. Theforce is then reversed for 5 seconds. Due to the deceleration phase, the total work done on the massis...A: Reduced by 50%.B: Reduced by 25%.C: Increased by 50%.D: Increased by 25%.4. A boiler is heated by an electrical current. The steam produced fills a cylinder which then lifts a carinto the air. Which of these elements are not doing work?A: The electrical current.B: The water in the boiler.C: The steam.D: The cylinder.E: The car.

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The work done on both masses is the same. The final velocity of both masses is the same.

College Physics

11th Edition

ISBN:9781305952300

Author:Raymond A. Serway, Chris Vuille

Publisher:Raymond A. Serway, Chris Vuille

Chapter1: Units, Trigonometry. And Vectors

Section: Chapter Questions

Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...

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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.

Question

2. Two identical masses are on a frictionless table. One mass is accelerated by a 10 N force over a
distance of 1 m. The second mass is accelerated in the same direction by a 5 N force over a distance
of 2 m. Which of the following statements is false?
k done by gravity of the weight at all arbitrary angie.
A: The work done on both masses is the same.
B: The final velocity of both masses is the same.
C: The acceleration of both masses is the same.
D: The time taken for the second mass to reach top speed is double that taken by mass one.
3. In the same scenario, the second mass is accelerated forward by a 5 N force for 10 seconds. The
force is then reversed for 5 seconds. Due to the deceleration phase, the total work done on the mass
is...
A: Reduced by 50%.
B: Reduced by 25%.
C: Increased by 50%.
D: Increased by 25%.
4. A boiler is heated by an electrical current. The steam produced fills a cylinder which then lifts a car
into the air. Which of these elements are not doing work?
A: The electrical current.
B: The water in the boiler.
C: The steam.
D: The cylinder.
E: The car.

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