# A circuit is constructed with two capacitors and an inductor as

Get college assignment help at uniessay writers A circuit is constructed with two capacitors and an inductor as shown. The values for the capacitors are: C1 = 497 μF and C2 = 275 μF. The inductance is L = 293 mH. At time t =0, the current through the inductor has its maximum value IL(0) = 194 mA and it has the direction shown. 2) What is Q1(t1), the charge on the capacitor C1 at time t = t1 = 26.4 ms? The sign of Q1 is defined to be the sameas the sign of the potential difference Vab = Va – Vb at time t = t1. 3)What is Vbc(t1)= Vb – Vc, the voltage across the inductor at time t1 = 26.4 ms? Note that this voltage is a signed number. 4) What is Q1,max, the magnitude of the maximum charge on capacitor C1?

## A 75kg meteorite buries itself 5.0 meters into soft mud. The

A 75kg meteorite buries itself 5.0 meters into soft mud. The trajectory of the meteorite is vertical, paving its way through the mud until it finally comes to rest 5 meters below the mud-ground level. The magnitude of the force between the meteorite and the mud is given by F(y)=abs value (640 N/m^3)y^3), where y is the depth in the mud. Through application of the work energy theorem determine the meteorite’s initial speed just before impacting into the mud. Be sure to specify at what location you decide to take the gravitational PE level=0 in solving this problem

## An 8.50 {rm kg} point mass and a 15.0 {rm kg}

An 8.50 {rm kg} point mass and a 15.0 {rm kg} point mass are held in place 50.0 {rm cm} apart. A particle of mass m is released from a point between the two masses 19.0 {rm cm} from the 8.50 {rm kg} mass along the line connecting the two fixed masses.

## A highway curve of radius 600 m is designed for traffic

A highway curve of radius 600 m is designed for traffic moving at a speed of 79.0 km/hr What is the correct banking angle of the road?

## A 747 jetliner lands and begins to slow to a stop

A 747 jetliner lands and begins to slow to a stop as it moves along the runway. If its mass is 3.60×105 kg, its speed is 26.8 m/s, and the net braking force is 4.30×10^5N, what is its speed 7.43 s later?

## A 60 kg sprinter, starting from rest, runs 55 m in

A 60 kg sprinter, starting from rest, runs 55 m in 7.6 s at constant acceleration. What is the sprinter’s average power output during the first 2.5 of his run? Express your answer using two significant figures. = Part C What is the sprinter’s average power output during the final 2.5 ? Express your answer using two significant figures. =

## A 13 g bullet traveling 224 m/s penetrates a 2 kg

A 13 g bullet traveling 224 m/s penetrates a 2 kg block of wood and emerges going 166 m/s. If the blosk is stationary on a frictionless surface when hit, how fast does it move after the bullet emerges?

## If a woman lifts a 22.0 kg bucket from a well

If a woman lifts a 22.0 kg bucket from a well and does 5.00 kJ of work, how deep is the well? Assume that the speed of the bucket remains constant as it is lifted.

## A 2000 kg car is slowed down uniformly from 17.0 m/s

A 2000 kg car is slowed down uniformly from 17.0 m/s to 5.00 m/s in 5.00 s. (a) What average total force acted on the car during that time? N (b) How far did the car travel during that time? m

## At time t=0 a grinding wheel has an angular velocity of

At time t=0 a grinding wheel has an angular velocity of 26.0 rad/s. It has a constant angular acceleration of 29.0 rad/s^2 until a circuit breaker trips at time t = 2.50 s. From then on, the wheel turns through an angle of 440 rad as it coasts to a stop at constant angular deceleration. Through what total angle did the wheel turn between and the time it stopped? At what time does the wheel stop? What was the wheel’s angular acceleration as it slowed down?

## Tarzan swings on a 34.0 m long vine initially inclined at

Get college assignment help at uniessay writers Tarzan swings on a 34.0 m long vine initially inclined at an angle of 36.0° with the vertical. (a) What is his speed at the bottom of the swing if he starts from rest? (b) What is his speed at the bottom of the swing if he pushes off with a speed of 2.00 m/s?

## A projectile is fired horizontally from a gun that is 88.0

A projectile is fired horizontally from a gun that is 88.0 m above flat ground, emerging from the gun with a speed of 250 m/s. (a) How long does the projectile remain in the air? s (b) At what horizontal distance from the firing point does it strike the ground? m (c) What is the magnitude of the vertical component of its velocity as it strikes the ground? m/s

## A loudspeaker of mass 19.0 is suspended a distance of =

A loudspeaker of mass 19.0 is suspended a distance of = 1.40 below the ceiling by two cables that make equal angles with the ceiling. Each cable has a length of = 2.50 .

## As a space craft approaches a planet, the rocket engines on

As a space craft approaches a planet, the rocket engines on it are fired to slow it down so it will go into orbit around the planet. The spacecraft’s mass is 291 kg and the thrust (force) of the rocket engines is 59 N. If the speed of the spacecraft must be decreased by 128 m/s, how long must the engines be fired. (Ignore the change in mass due to the rocket engines firing).

## If wind blows at 23 m/s over a house, what is

If wind blows at 23 m/s over a house, what is the net force on the roof if its area is 330 m^2 and is flat?

## A visitor to a lighthouse wishes to determine the height of

A visitor to a lighthouse wishes to determine the height of the tower. She ties a spool of thread to a small rock to make a simple pendulum, which she hangs down the center of a spiral staircase of the tower. The period of oscillation is 9.99 s. The acceleration of gravity is 9.8 m/s2 . What is the height of the tower? Answer in units of m.

## A 170-N child is in a swing that is attached to

A 170-N child is in a swing that is attached to ropes 1.90 m long. Find the gravitational potential energy associated with the child relative to her lowest position at the following times

## At high noon, the Sun delivers 1.10 kW to each square

At high noon, the Sun delivers 1.10 kW to each square meter of a blacktop road. If the hot asphalt loses energy only by radiation, what is its equilibrium temperature?

## Two loudspeakers are placed 3.00 m apart, as shown in the

Two loudspeakers are placed 3.00 m apart, as shown in the figure. They emit 440 Hz sounds, in phase. A microphone is placed d = 3.10 m distant from a point midway between the two speakers, where an intensity maximum is recorded. (a) How far must the microphone be moved to the right to find the first intensity minimum? (b) Suppose the speakers are reconnected so that the 440 Hz sounds they emit are exactly out of phase. At what positions (how far must the microphone be moved to the right) are the intensity maximum and minimum now?

## A rectangular block of ice 12 m on each side and

A rectangular block of ice 12 m on each side and 1 m thick floats in sea water. The density of the sea water is 1025 kg/m3. The density of ice is 917 kg/m3. a) How high does the top of the ice block float above the water level?

## A 64.0- resistor is connected in parallel with a 115.0- resistor.

A 64.0- resistor is connected in parallel with a 115.0- resistor. This parallel group is connected in series with a 21.0- resistor. The total combination is connected across a 15.0-V battery

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