13-3. If the coefficient of kinetic friction between the50-kg crate and the ground is µz = 0.3, determine thedistance the crate travels and its velocity when t = 3 s.The crate starts from rest, and P = 200 N.*13-4. If the 50-kg crate starts from rest and achieves avelocity of v = 4 m/s when it travels a distance of 5 m tothe right, determine the magnitude of force P acting on thecrate. The coefficient of kinetic friction between the crateand the ground is µk = 0.3.30°

Step:1:-Draw FBD of given diagram:- Step 2:-Equatuin of motion:-ay=0∑Fy=0; N-50(9.81)+200 sin…

Answered: 13-3. If the coefficient of kinetic…

Elements Of Electromagnetics

7th Edition

ISBN:9780190698614

Author:Sadiku, Matthew N. O.

Publisher:Sadiku, Matthew N. O.

ChapterMA: Math Assessment

Section: Chapter Questions

Problem 1.1MA

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If the coefficient of kinetic friction between the150-lb crate and the ground is uk = 0.2, %3D determine the speed of the crate when t = 4 s. The crate starts from rest and is towed by %3D the 100-lb force. 100 lb 30°
2. The 10-Ib block has a speed of 4 ft's when the force of F= (8t?) Ib is applied. Determine the velocity of the block when t= 2 s. The coefficient of kinetic friction at the surface is = 0.2. v = 4 ft/s F= (8°) lb
The conveyor belt delivers each 12-kg crate to the ramp at A such that the crate’s speed is vA = 2.5 m>s,directed down along the ramp. If the coefficient of kinetic friction between each crate and the ramp is mk = 0.3,determine the smallest incline u of the ramp so that the crates will slide off and fall into the cart
When s = 55 cm, the spring is unstretched and the 9-kg block has a speed of 6.19 m/s down the smooth plane. If the coefficient of kinetic friction between the surface and the block is 0.25, find the distance (mm) s at which the block stops. k = 208 N/m 6.19 m/s F = 118 N 30
400 mm The spring attached to the mass of m = 0. 5 kg sliding collar has a stiffness of k = 0.21 kN/m and a free length of 150 mm. If the speed of the collar in position A is 4 m/s to the right, determine the total energy and the speed of the collar in position B, Neglecet 100 mm friction. 200
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18-18. The 20-lb block is at rest on the inclined plane where the coefficient of friction between the block and the plane is μ = 0.3. If the block starts from rest and is acted upon by a force F = 31, where F is in pounds and is in seconds, determine the time required for the block to attain a velocity of 5 ft/sec up the plane. The force always acts parallel to the plane. The stop block s prevents the block from initially moving down the plane. 20° Prob. 18-18
The 10-lb block A travels to the right at vA = 3.1ft/s at the instant shown. If %3D the coefficient of kinetic friction is 0.2 between the surface and A, determine the weight of block B that will give block A a final velocity of 7 ft/s when it has moved 4 ft. B.
The 50-kg crate is pulled by the constant force P. If the crate P starts from rest and achieves a speed of 10 m/s in 5 s, determine the magnitude of P. The coefficient of kinetic friction between the crate and the ground is µk = 0.2.
If the coefficient of kinetic friction between the 50-kg crate and the ground isuk = 0.3, determine the distance the crate travels and its velocity when t= 3 s. The crate startsfrom rest, and p= 200 N.
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Q4:- If the coefficient of kinetic friction between the 50 kg crate and the ground is µ = 0.3, determine the distance the crate travels and its velocity when t= 3 s. The crate starts from rest and P=200 N 30

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