(a) Consider a forced oscillator with response y(t) satisfying State with reasoning (but before solving), whether or not you expect this system to exhibit pure resonance. (b) Find the general solution of (1). (c) Find the solution of (1) if the system is initially at rest undisplaced , i.e. y(0)... Solved Trigonometry 1 Week Ago 55 Views Bookmark

a circuit has in series an electromotive force given by E(t) = 80cos(t) volts, an inductance of 4 henry, a resistance of 8 ohms, and a capacitance of 0.05 farad. the initial current is 0 and the initial charge is 8 coulombs. (a) find the equation for... Solved Trigonometry 1 Week Ago 85 Views Bookmark

A camera is set up at the starting line of a drag race 50 ft from a dragster at the starting line (camera 1 in the figure). Two seconds after the start of the race, the dragster has traveled 100 ft and the camera is turning at 0.4 rad/s while... Solved Trigonometry 1 Week Ago 1 View Bookmark

A cable that is 29 feet long goes from the ground to the top of a building and forms an angle of 41.9 degrees with the wall of the building. How many feet tall is the building?... Solved Trigonometry 1 Week Ago Bookmark

A cable extends from point C to point E. It exerts a 50-lb force T on plate C that is directed along the line from C to E. Determine the y-component of T. Enter only the numerical value in units of lb.... Solved Trigonometry 1 Week Ago Bookmark

A building 200 feet tall casts a 90 foot long shadow. If a person looks down from the top of the building, what is the measure of the angle between the end of the shadow and the vertical side of the building (to the nearest degree)? (Assume the person's eyes... Solved Trigonometry 1 Week Ago Bookmark

A bowl in the shape of a hemisphere is filled with water to a depth h inches. The radius of the bowl is R = 8 inches. Express (a radian measure) as a function of h. (h) = ___________ radians... Solved Trigonometry 1 Week Ago Bookmark

A boy of weight, W, hangs from the center of a clothesline and distorts the line so that it makes 30 degrees angles with the horizontal at each end.... Solved Trigonometry 1 Week Ago Bookmark

A biologist wants to know the width w of a river so that instruments for studing the pollutants in the water can be set properly. From point A, the biologist walk downstream 100 feet and sight to point C (see figure). From this sighting, it is determined that theta=54degree. How... Solved Trigonometry 1 Week Ago 2 Views Bookmark

A 164g ball is tied to a string. It is pulled to an angle of 6.0? and released to swing as a pendulum. A student with a stopwatch finds that 29 oscillations take 19s .How long is the string? ... Solved Trigonometry 1 Week Ago Bookmark

A 1500 kg steel beam is supported by the two ropes shown in (Figure 1) . Calculate the tension in the rope. Express your answer to two significant figures and include the appropriate units. ... Solved Trigonometry 1 Week Ago Bookmark

A 14-lb weight is attached to a spring, stretches it 8 in. Find the equation of motion if the weight is released from rest from a point 7 in. above the equilibrium position. Ca) z (t) Preview (b) What is the weight's position at t 2 seconds Preview (c) at... Solved Trigonometry 1 Week Ago Bookmark

A 14-ft-long ramp rises at an angle of 22.2. How long is the base of the ramp to the nearest foot? 11 ft 13 ft 17 ft 22 ft ... Solved Trigonometry 1 Week Ago 4 Views Bookmark

A 12-lb block is pushed up against a spring compressing it a distance of 6 inches. The block is then released from rest and slides along the rough surface until it strikes a 4-lb sphere which is suspended by a 4-ft inextensible rope. The spring has an un-stretched length of... Solved Trigonometry 1 Week Ago Bookmark

A 100ft bridge expands 1 inch during the heat of the day. Since the ends of the bridge are embedded in rock, the bridge buckles upwards and forms an arc of a circle for which the original bridge is a chord. What is the approximate distance moved by the center... Solved Trigonometry 1 Week Ago Bookmark

A 10 degree angle graphite e[oxy unidirectional lamina is subjected to normal and shear stresses sigma x=10Mpa sigma y=25Mpa and Txy= -30Mpa Determine the maximum stress could apply on the composites ... Solved Trigonometry 1 Week Ago Bookmark

A bicyclist is interested in the motion of a point on the tread of her tire, so she marks the tread at one point with chalk. She then rides the bike along a flat, level road. She imposes a coordinate system as shown in the figure below such that the... Solved Trigonometry 1 Week Ago Bookmark

A 0.50 kg ball that is tied to the end of a 1.5 m light cord is revolved in a horizontal plane with the cord making a 30 angle, with the vertical (See Fig. P7.52.) A 0.50 kg ball that is tied to the end of a... Solved Trigonometry 1 Week Ago Bookmark

A balloon rises at 3 m/s from a point on the ground 30 m from an observer. Find the rate of change of the angle of elevation of the balloon from the observer 10 seconds after the balloon has lifted off the ground.... Solved Trigonometry 1 Week Ago Bookmark

A 6-yd (3.06-m^3) (heaped) hydraulic shovel with a bottom dump bucket is excavating. The swing angle is 150degree and job efficiency is 50 min/h. Estimate the shovels hourly production in bank measure.... Solved Trigonometry 1 Week Ago Bookmark

A 5 inches by 10 inches rectangular beam cross-section is subjected to a maximum bending moment and shear force of 100 lb.ft and 500 lb, respectively.What is the moment of intertia of the cross-section? 416.67 in^4 416.67 in^3 104.17 in^4 ... Solved Trigonometry 1 Week Ago Bookmark

) a) 4tan^2(theta)-2tan(theta) b) cos^2(theta)=5cos(theta)-6 c) 2sin(theta)cos(theta)+sqrt(2)(sin(theta)) I got through the first step or two but need help finalizing the answers. Any help would be very much appreciated!... Solved Trigonometry 1 Week Ago Bookmark

A, 4 B, 2 C, 1 D, 3 The curves y = 1 + 4cos(3t), x = 2 + 4sin(3t), 0 le t le 2 pi parametrize a circle of radius 4 2 1 3... Solved Trigonometry 1 Week Ago Bookmark

A 32 pound weight is attached to the lower end of a coiled spring suspended from the ceiling. The weight comes to rest at its equilibrium position, thereby stretching the spring 2 feet. At time t=0, the weight is positioned 1 foot below equilibrium and given an upward velocity of... Solved Trigonometry 1 Week Ago 3 Views Bookmark