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)
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)
College Physics
10th Edition
ISBN:9781285737027
Author:Raymond A. Serway, Chris Vuille
Publisher:Raymond A. Serway, Chris Vuille
Chapter5: Energy
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Problem 11CQ: A weight is connected to a spring that is suspended vertically from the ceiling. If the weight is...
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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](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fad1fd224-9b26-42d7-8b96-71a74a5cdaf5%2Fdcab6a91-39e4-47d6-a811-9c54c1a66ae8%2Fn4dj3ux_processed.png&w=3840&q=75)
Transcribed Image Text: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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