A box (mass = 100 g) is initially connected to a compressed (x = 80 cm) spring (? = 100 N/m) at point A. It was released and started moving along the horizontal surface (µk = 0.2) until it moves up along the inclined surface (µk = 0.3). The box then stops at point D alone the incline. Consider that e = 30 m and θ = 30.Kindly answer only a and b. Please include necessary FBD for each item. (a) What is the velocity of the box at point B?) (Ans: 25.24 m/s)(b) What is the change in kinetic energy from point B to point C? (Ans.: −5.88 J) 3. A box (mass = 100 g) is initially connected to a compressed (r = 80 cm) spring (k = 100N/m) at point A. It was released and started moving along the horizontal surface (Hg = 0.2)until it moves up along the inclined surface (ux = 0.3). The box then stops at point D alone%3D%3D%3Dthe incline. Consider that e = 30 m and e = 30°.(a) What is the velocity of the box at point B?) (Ans: 25.24 m/s)(b) What is the change in kinetic energy from point B to point C? (Ans.: -5.88 J)(c) What is the velocity of the box at point C? (Ans.: 22.79 m/s)(d) What is the length of the incline, f? (Ans. 34.88 m)(e) What is the change in gravitational potential energy from point A to point D?(Ans. 17.10 J)WW meΑΒD

According to work energy theorem, the work done y all the forces acting on a particle is equal to…

Answered: A box (mass = 100 g) is initially…

Physics for Scientists and Engineers: Foundations and Connections

1st Edition

ISBN:9781133939146

Author:Katz, Debora M.

Publisher:Katz, Debora M.

Chapter8: Conservation Of Energy

Section: Chapter Questions

Problem 23PQ: One type of toy car contains a spring that is compressed as the wheels are rolled backward along a...

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A box (mass = 100 g) is initially connected to a compressed (x = 80 cm) spring (? = 100 N/m) at point A. It was released and started moving along the horizontal surface (µk = 0.2) until it moves up along the inclined surface (µk = 0.3). The box then stops at point D alone the incline. Consider that e = 30 m and θ = 30.

Kindly answer only a and b. Please include necessary FBD for each item.
(a) What is the velocity of the box at point B?) (Ans: 25.24 m/s)
(b) What is the change in kinetic energy from point B to point C? (Ans.: −5.88 J)

3. A box (mass = 100 g) is initially connected to a compressed (r = 80 cm) spring (k = 100
N/m) at point A. It was released and started moving along the horizontal surface (Hg = 0.2)
until it moves up along the inclined surface (ux = 0.3). The box then stops at point D alone
%3D
%3D
%3D
the incline. Consider that e = 30 m and e = 30°.
(a) What is the velocity of the box at point B?) (Ans: 25.24 m/s)
(b) What is the change in kinetic energy from point B to point C? (Ans.: -5.88 J)
(c) What is the velocity of the box at point C? (Ans.: 22.79 m/s)
(d) What is the length of the incline, f? (Ans. 34.88 m)
(e) What is the change in gravitational potential energy from point A to point D?
(Ans. 17.10 J)
WW m
e
ΑΒ
D

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