Car B is towing car A at a constant speed of 10 m/s on an uphill grade when the brakes of car A are fully applied, causing all four wheels to skid. The driver of car B does not change the throttle setting or change gears. The masses of the cars A and B are 1400 kg and 1200 kg, respectively, and the coefficient of kinetic friction is 0.8. Neglecting air resistance and rolling resistance, determine (a) the distance traveled by the cars before they come to a stop, (b) the tension in the cable.**Diagram Description:**- A side view shows Car A (red) and Car B (blue) on an inclined plane with a slope of 5 degrees.- Car A and Car B both have an initial velocity of 10 m/s.- There is a distance of 5 meters between the two cars, linked by a cable.- The incline is slanted upward to the right.

Given:Speed, v=10 m/smass of the car A, mA=1400 kgmass of the car B, mB=1200 kgCoefficient of…

Answered: Car B is towing car A at a constant…

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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BLOCK A WITH WEIGHT EQUAL TO 100 N, RESTS ON BLOCK B OF NEGLIGIBLE WEIGHT. THE COEFFICIENT OF STATIC FRICTION Hs IS THE SAME AT BOTH SURFACES OF THE BLOCKS, AND THE FRICTION BETWEEN BLOCK A AND THE VERTICAL WALL MAY BE NEGLECTED. FORP = 50 N, DETERMINE THE VALUE OF Us FOR WHICH MOTION IS IMPENDING. W = 100 N A 15° P = 50 N B.
The carnival ride from Prob. 12.51 is modified so that the 80-kg riders can move up and down the inclined wall as the speed of the ride increases. Assuming that the friction between the wall and the carriage is negligible, determine the position h of the rider if the speed v0 = 13 m/s.Reference to Problem 12.51:
Freight car A with a gross weight of 194000 Ib is moving along the horizontal track in a switching yard at 1.9 mi/hr. Freight car B with a gross weight of 107000 Ib and moving at 2.6 mi/hr overtakes car A and is coupled to it. Determine (a) the common velocity V of the two cars as they move together after being coupled and (b) the loss of energy |AE| due to the impact. 2.6 mi/hr 1.9 mi/hr B A Answers: (a) V = i mi/hr ( b) |ΔΕΙ- i ft-lb
Blocks A and B have masses mA, and mB , respectively. Neglecting friction between all surfaces, draw the FBD and KD for each mass.
A worker develops a tension T in the cable as he attempts to move the 48-kg cart up the 21° incline. Determine the resulting acceleration a of the cart if (a) T = 135 N and (b) T = 222 N. Neglect all friction, except that at the worker's feet. The acceleration a is positive if up the slope, negative if down the slope. 48 kg 15° Answers: 21 O (a) T = 135 N, (b) T = 222 N, a = a =
A system of blocks is pulled by a force P. The string connecting blocks A and B passes over a pulley whose coefficient of friction between string and pulley is 0.25. The coefficient of friction between surface and blocks is 0.20. Block A weighs 200N and block B weighs 300N. Determine, a. the minimum value of P for impending motion to the right. b. the tension connecting block B. B= 30° В A 30°
A 2404 lb car is moving up a 7 degree incline as shown. Determine how many seconds will it take for the car to decelerate from 105 ft/s to 35ft/s, if the braking force is equal to 52 lb assuming that deceleration is constant and frictional effects are neglected.
A 5-kg collar A is at rest on top of, but not attached to, a spring with stiffness k1 = 400 N/m when a constant 150-N force is applied to the cable. Knowing A has a speed of 1 m/s when the upper spring is compressed 75 mm, determine the spring stiffness k2 . Ignore friction and the mass of the pulley.
Block A with a mass of 20 kg moves at a constant speed of 2 m/sec, while Block B with a mass of 10 kg stops it multiplies. Block B was connected to two parallel plateaus with spring coefficients k1=500 N/M and k2=1000 N/m. A after hitting Block B Block, they move together (at the same speed) by compressing the spring. Ground with blocks if friction between the Springs is omitted, the maximum amount of compression (shortening) in the Springs is approximately what are they? 2 m/ SEC ww. A в please choose one: a.1.2 mi b. None of them O c.0.19 m d.0.26 m O e.0.45 mi
Freight car A with a gross weight of 138000 lb is moving along the horizontal track in a switching yard at 3.0 mi/hr. Freight car B with a gross weight of 166000 lb and moving at 3.9 mi/hr overtakes car A and is coupled to it. Determine (a) the common velocity V of the two cars as they move together after being coupled and (b) the loss of energy |AE| due to the impact. 3.9 mi/hr Answers: (a) V = B i (b) |AE| = i 3.0 mi/hr mi/hr ft-lb

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