14-91. When the 5-kg box reaches point A it has a speedvA = 10 m/s. Determine how high the box reaches up thesurface before it comes to a stop. Also, what is the resultantnormal force on the surface at this point and theacceleration? Neglect friction and the size of the box.B.-x1/2 + y!/2 = 3Aх9 m

Given, VA = 10 m/s Equation of Curve:x12+y12=3y12=3-x12Applying differentiation on both sides,we…

Answered: 14-91. When the 5-kg box reaches point…

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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Solve it correctly please. I
Problem-3 - 300 ft The automobile is originally at rest at s=0. If its speed is increased by i = (0.05t²) ft/s², 240 ft where t is in seconds, determine the magnitudes of its velocity and acceleration when t = 18 s.
The 69-kg crate is stationary when the force Pis applied. Determine the resulting acceleration of the crate if (a) P = 0, (b) P = 239 N, and (c) P = 493 N. The acceleration is positive if up the slope, negative if down the slope. H, = 0.25 HE = 0.18 69 kg 18
The 61-lb crate slides down the curved path in the vertical plane. If the crate has a velocity of 6.8 ft/sec down the incline at A and a velocity of 23.5 ft/sec at B, compute the work Uf done on the crate by friction during the motion from A to B. 16' Answer: Uf = i 496.7 ft-lb 6.8 ft/sec 25' B 23.5 ft/se
At the start, Box A has a speed of 3 m/s upward the inclined plane with a kinetic friction equal to 0.15. Determine the speed of Box B at t = 6 seconds.
The 1.334-Mg car is traveling along the curved road described by r = (50e28) m, where 0 is in radians. If a camera is located at A and it rotates with an angular velocity of Ó = 0.083 rad/s and an angular acceleration of ö = 0.304 rad/s? at the instant 0 = 0.879 rad, .determine the resultant friction force developed between the tires and the road at this instant %3D r= (50")m
The 33-kg crate is stationary when the force Pis applied. Determine the resulting acceleration of the crate if (a) P = 0, (b) P = 143 N, and (c) P = 322 N. The acceleration is positive if up the slope, negative if down the slope. H, = 0.37 H = 0.29 33 kg 25 Part 1 X Incorrect Part (a). We need to decide if the block moves. The easy way to make this decision is to assume that the block does not move and then to test this assumption. If P = 0, what friction force F is needed to keep the block from moving? mg N Answer: F = i 3.034 N
Determine the vertical acceleration of the cylinder with a weight WA = 65 lb for each of the two cases. Neglect friction and the mass of the pulleys. The acceleration is positive if up, negative if down. Assume WB = 40 lb. WA WB W₂ B Answers: (a) a = (b) a = (a) i i WA (b) ft/se ft/se
Find the acceleration of the blocks and the tension in the chord if both have a mass equal to 100 kg. The two blocks rest on inclined surfaces at 30 degrees and 60 degrees respectively. Assume μ = 0.20.
The jet-powered aircraft has a mass of 25 tons and a center of mass at G. If a tow cable is attached to the top of the nose wheel and exerts a force of T = 348 N as shown, determine The acceleration of the plane, in m/s2. Neglect the lift of the wings and the mass of the wheels. 30° T 0.4 m JA + 0.8 m -6 m B& 3 m
2. The 150-1b man lies against the cushion for which the coefficient of static friction is µ̟ = 0.5. If he rotates about the z axis with a constant speed of v = smallest angle 0 of the cushion at which he will begin to slip off. 30 ft/s, determine the -8 ft Figure: 13 PO63-064
The collar with mass of 0.7 kg is released from rest at position A and travels down the smooth circular rod in the vertical plane. If the velocity of the collar at Point C is 3.3 m, determine the tangential component of acceleration of the collar (in m) at Point C. The spring has a stiffness of k = 140 N and an unstretched length of 0.5 meters. Consider R = 1.7 meters, 0 = 33°, and g =10 A m R/2 D В R

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