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Get Full Access to Physics With Masteringphysics - 4 Edition - Chapter 13 - Problem 54p
Get Full Access to Physics With Masteringphysics - 4 Edition - Chapter 13 - Problem 54p

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# A 0.505-kg block slides on a frictionless horizontal

ISBN: 9780321541635 54

## Solution for problem 54P Chapter 13

Physics with MasteringPhysics | 4th Edition

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Problem 54P

A 0.505-kg block slides on a frictionless horizontal surface with a speed of 1.18 m/s. The block encounters an unstretched spring and compresses it 23.2 cm before coming to rest. ?(a) What is the force constant of this spring? ?(b) For what length of time is the block in contact with the spring before it comes to rest? ?(c) If the force constant of the spring is increased, docs the time required to stop the block increase, decrease, or stay the same? Explain.

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Physics 2 for Engineering Week 9 Magnetic Field and Forces B – Magnetic field FB– Magnetic force Moving charge q ge1erates a magnetic field B, which exerts F on anBther moving charge q 2 FB= q v x B With charge q, velocity v, magnetic field generated B, and magnetic force exerted F B Unit of B is Tesla (T); 1 Tesla = 1 N/Am = 10 Gauss FBis perpendicular to both v and B Motion of charged particles in magnetic field 2 FBis a centripetal force; FB= q v B = m v R Radius of orbit R = m v / q B where v is perpendicular to B Time Period = 2 π R / v; Angular velocity ω = v / R = q B / m Dots = vector pointing out of plane; crosses = pointing into plane In

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