Figure 30° P 1 of 1 > Part A If 55-kg crate starts from rest and travels a distance of 8 m up the plane in 6 s, determine the magnitude of force P acting on the crate. The coefficient of kinetic friction between the crate and the ground is 0.27. (Figure 1) Express your answer to three significant figures and include the appropriate units. Submit μA 3 P= 564 N You have already submitted this answer. Enter a new answer. No credit lost. Try again. Provide Feedback ? Previous Answers Request Answer Next >

Figure 30° P 1 of 1 > Part A If 55-kg crate starts from rest and travels a distance of 8 m up the plane in 6 s, determine the magnitude of force P acting on the crate. The coefficient of kinetic friction between the crate and the ground is 0.27. (Figure 1) Express your answer to three significant figures and include the appropriate units. Submit μA 3 P= 564 N You have already submitted this answer. Enter a new answer. No credit lost. Try again. Provide Feedback ? Previous Answers Request Answer Next >

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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The coefficients of friction between the block ana the rail are us= 0.25 and uk= 0.20. Given: P2 = 200 N. P1 350 P2 Find the magnitude and direction of the smallest force P1 required to start the block moving up the rail. (You must provide an answer before moving on to the next part.) The magnitude and direction of the smallest force P1 required to start the block moving up the rail is °. N v (Click to select)
A racetrack curve has radius 90.0 m and is banked at an angle of 12.0. The coefficient of static friction between the tires and the roadway is 0. 400. A race car with mass 1200 kg rounds the curve with the maximum speed to avoid skidding. Part A As the car rounds the curve, what is the normal force exerted on it by the road? Express your answer with the appropriate units. Value Units Submit Request Answer Part B What is the car's radial acceleration? Express your answer with the appropriate units. Value Units Arad = Submit Request Answer
If the uniform cabinet has weight of 200 lb, and the coefficient of static friction between the cabinet and the ground is g = 0.14, determine the minimum force P that can make the cabinet slide. Please pay attention: the numbers may change since they are randomized. Your answer must include 1 place after the decimal point and proper unit. Take g = 32.2 ft/s². Your Answer: Answer P 4 ft units A -1 ft-1 ft- 3.5 ft B
The 20-kg crate is lifted by a force of F = (100 + 5t²) N, where t is in seconds. (Figure 1) Figure H B 1 of 1 Part A Determine how high the crate has moved upward when t = 2.5 s, starting from rest. Express your answer to three significant figures and include the appropriate units. S = Value Submit Provide Feedback Request Answer Units ? Next >
|Khufra works at a spring factory and he was assigned to test a certain spring, whose constant is 50 N/m, attached to a 50-kg block in an incline (0-30°). With the spring initially at equilibrium position, the block was pulled 0.3 meters down the incline by a 50-N external force applied parallel to the path. If the coefficient of kinetic friction is 0.3, determine the normal force (in Newtons) Www
A block is pulled along a rough level surface at constant speed by the force P. The figure shows the free-body diagram for the block. FN represents the normal force on the block; and / represents the frictional force. If the coefficient of kinetic friction, HR , between the block and the surface is 0.30 and the magnitude of the frictional force is 80.0 N, what is the magnitude of the normal force FN? mg OA 410 N OB 160 N OC 1.6 N OD.4.0 NA OE 270 N
A block of mass m = 2.00 kg is sitting stationary on a table. A horizontal force of magnitude F = 5.00 N is applied to the block, as shown. The coefficient of static %3D friction is us = 0.700, and the coefficient of kinetic friction is uK = 0.500. What is the magnitude of the force of friction between the block and the table, in units of newtons? Enter the numerical answer without units. Your answer must be within 1% of the exact answer to receive credit. Us =0.7 m 3D UK = 0.5 2.0 kg %3D F = 5.0 N block at rest wered Answers 5 (with margin: 0.05)
Figure 30° P 30° Bra 1 of 1 Part A If the 55-kg crate starts from rest and travels a distance of 8 m up the plane in 6 s, determine the magnitude of force P acting on the crate. The coefficient of kinetic friction between the crate and the ground is 0.27. (Figure 1) Express your answer to three significant figures and include the appropriate units. P = 389 μA X Incorrect; Try Again Provide Feedback Submit Previous Answers Request Answer G N www Review ? Next >
Consider the following diagram. m1=20 kg and m2= 10 kg. The system is being pulled by an applied force of 200 N. directed 50" above the horizontal. The coefficient of kinetic friction between the block and the surface is u-0.2. 50 m, 20kg Coefficient of friction 4=0.2 10 kg. 309 7) Calculate the acceleration of the system. Your answer 8) Calculate the magnitude of the Tension on the rope. Your answer N 00
The roller coaster car has a mass of 000 kg, including i passenger. It is released from rest at the top of the hill A. Neglect triction, the mass of the wheels, and the size of the car. Take ha16 m. pa-8 m. hc 12 m. and po-6m. (Figure 1) Figure ▼ NB = Submit Part C he 0 No= μA Value 10f1 Request Answer μÅ Part A Value Determine the minimum height of the hill crest so that the car travels around both inside the loops without leaving the track Express your answer to three significant figures and include the appropriate units. h= What is the normal reaction on the car when the it is at B? Express your answer to three significant figures and include the appropriate units. Submit Value Part B Å Previous Answers Request Answer X Incorrect; Try Again; 5 attempts remaining → What is the normal reaction on the car when the it is at B Express your answer to three significant figures and include the appropriate units. PASE Units m What is the normal reaction on the car when the it is at C?…
The coefficient of kinetic friction between the60-kg crate and the ground is uf = 0.3. The crate starts from rest, and P = 225 N .(Figure 1) Part A Determine the velocity of the crate when t = 4s Express your answer to three significant figures and include the appropriate units. HẢ v = Value Units Submit Previous Answers Request Answer X Incorrect; Try Again; 3 attempts remaining • Part B Determine the distance the crate travels when 4 s Express your answer to three significant figures and include the appropriate units. Figure HÀ S = Value Units Submit Request Answer 30° Provide Feedback
Khufra works at a spring factory and he was assigned to test a certain spring, whose constant is 50 N/m, attached to a 50-kg block in an incline (0=30°). With the spring initially at equilibrium position, the block was pulled 0.3 meters down the incline by a 50-N external force applied parallel to the path. If the coefficient of kinetic friction is 0.3, determine the: a) normal force (in Newtons) b) work done by the spring (in Joules) www