Problem 2: A 5.4 x 105 kg locomotive is brought to a halt from a speed of 0.85 m/s in 0.33 m by a large spring bumper at the edge of the rail. What is the force constant k of the spring in N/m? Numeric : A numeric value is expected and not an expression. k =

Problem 2: A 5.4 x 105 kg locomotive is brought to a halt from a speed of 0.85 m/s in 0.33 m by a large spring bumper at the edge of the rail. What is the force constant k of the spring in N/m? Numeric : A numeric value is expected and not an expression. k =

Principles of Physics: A Calculus-Based Text

5th Edition

ISBN:9781133104261

Author:Raymond A. Serway, John W. Jewett

Publisher:Raymond A. Serway, John W. Jewett

Chapter3: Motion In Two Dimensions

Section: Chapter Questions

Problem 42P: A landscape architect is planning an artificial waterfall in a city park. Water flowing at 1.70 m/s...

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Question

can you please solve both questions?

Problem 2: A 5.4 × 105 kg locomotive is brought to a halt from a speed of 0.85 m/s in 0.33 m by a large spring
bumper at the edge of the rail.
What is the force constant k of the spring in N/m?
Numeric : A numeric value is expected and not an expression.
k =

Problem 1: A roller coaster car has a speed of vo = 9.8 m/s as it arrives at the peak of a h = 32 m plunge.
What is the car's speed at the bottom of the plunge, vfin m/s?
Numeric : A numeric value is expected and not an expression.
Vf =

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