(a) Figure 1 (a) describes the magnitude of force F imposed by a boy to a 20 kg crate as shown in Figure (b). By using the principle of work and energy method, determine: i. The distance of the crate must slide before its velocity reaches 5 m/s. The velocity of the crate after it slides 3 m. Note: Whens = 0, the crate is moving to the right at v=2 m/s. The coefficient of kinetic friction between the crate and surface is uk=0.3| F (N)

Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
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(a)
Figure 1 (a) describes the magnitude of force F imposed by a boy to a
20
kg crate as shown in Figure (b). By using the principle of work and energy
method, determine:
i.
The distance of the crate must slide before its velocity reaches 5 m/s.
ii.
The velocity of the crate after it slides 3 m.
Note: When s = 0, the crate is moving to the right at v = 2 m/s. The
coefficient of kinetic friction between the crate and surface is µk=0.3]|
F (N)
F = 50s2
s (m)
20 kg
(b)
Figure (a) Applied force F varies with the position of the crate s; and (b) A man pushes a
box
Transcribed Image Text:(a) Figure 1 (a) describes the magnitude of force F imposed by a boy to a 20 kg crate as shown in Figure (b). By using the principle of work and energy method, determine: i. The distance of the crate must slide before its velocity reaches 5 m/s. ii. The velocity of the crate after it slides 3 m. Note: When s = 0, the crate is moving to the right at v = 2 m/s. The coefficient of kinetic friction between the crate and surface is µk=0.3]| F (N) F = 50s2 s (m) 20 kg (b) Figure (a) Applied force F varies with the position of the crate s; and (b) A man pushes a box
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