can you please solve both questions? Problem 2: A 4.6 × 105 kg train is brought to a stop from a speed of 0.75 m/s in 0.48 m by a large springbumper at the edge of its track.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 = 7.7 m/s as it reaches the peak of a h = 25.5 m dip.What is the car's speed at the bottom of the dip, vfin m/s?Numeric : A numeric value is expected and not an expression.Vf =

Problem 2 The kinetic energy stored by the train is stored as the potential energy is the spring by…

Answered: Problem 1: A roller coaster car has a…

Science

Physics

Problem 1: A roller coaster car has a speed of vo = 7.7 m/s as it reaches the peak of a h = 25.5 m dip.

Physics for Scientists and Engineers: Foundations and Connections

1st Edition

ISBN:9781133939146

Author:Katz, Debora M.

Publisher:Katz, Debora M.

Chapter2: One Dimensional Motion

Section: Chapter Questions

Problem 64PQ

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Question

can you please solve both questions?

Problem 2: A 4.6 × 105 kg train is brought to a stop from a speed of 0.75 m/s in 0.48 m by a large spring
bumper at the edge of its track.
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 = 7.7 m/s as it reaches the peak of a h = 25.5 m dip.
What is the car's speed at the bottom of the dip, vfin m/s?
Numeric : A numeric value is expected and not an expression.
Vf =

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