Find the velocity v(t) and position x(t) of a particle of mass m that is subject to a frictional force only f = -av (retarding force or drag) proportional to the velocity. (where a are positive constants) ;(let t = ") m. %3D

Q: 9. A tube of Chapstick (4 cm tall) is placed 15 cm in front of a diverging lens( Radius =20 cm) 1 x=...

A: (a) Draw three ray diagrams on the above picture. (b) what is the location of the image. (c) what is...

Q: I am having trouble understanding this scenario. Here, a charge q is 2.0µC and it is placed at the p...

A: Given: The magnitude of the first charge q1 = 1 μC The magnitude of the second charge q2 = -3 μC The...

Q: Two small spheres with mass M= 24.6 kg are located on the y-axis a distance d= 8.5 mapart (aty= d/2)...

A: Given data, Mass M = 24.6 kg Mass m=55M =55×24.6  =275 kgAlso, distance=8.5 m

Q: An infinite thin wire (A) traversed by a current I, lies along the axis of a long cylindrical conduc...

A: b) Using ampere's law knowing the value of r, the magnetic field for a<r<b, can be determined...

Q: Two negative charges are kept at a certain distance in the air medium. What will happen if a dielect...

A: Electrostatic force (F) between two charges placed in air/vacuum is given by: Here, q1 and q2 repr...

Q: Calculate the amount of power dissipated by this electric heating element, if the generator's 2 outp...

A: WE know power is given by, P=VI Now as per Ohms law, I=VR Substituting we get, P=V2R

Q: Cooking gas containers are kept in a lorry moving with uniform speed. The temperature of the gas mol...

A: We know that the temperature of a gas is determined by the total transitional kinetic energy with re...

Q: 2. Two charged nested conducting spheres are pictured below. The inner sphere (radius cm) carries a ...

A: Given: The charge in the inner sphere is 100 nC. The radius of the inner sphere is 5 cm. The charge ...

Q: Consider an ideal solenoid which has uniform magnetic field B (5 T) to the direction from +Y to -Y a...

A:

Q: A car is driving around a curve of radius 200m, while increasing its rate at 0.805. Ata certain inst...

A: Since car is moving in a curve the total acceleration will be given by, a=an2+at2 where an is the no...

Q: Determine the amplitude and maximum velocity of a particle which moves in simple harmonic motion wit...

A: Given Acceleration (a)  = 15 ft/s2 Frequency (f)      = 8 Hz

Q: I don't understand why A is right , freebody diagram needed

A: Given:

Q: As aresuIt of the decoay of en inactive k meson, two meson Particles mouing in opposite directions a...

A: The problem is based on the concept of decay of elementary particles. As we know all unstable partic...

Q: In the shown circuit, I1=5.71 A, I2=5.72 A and &2=20.0 V. Find the ratio E3/E1. 4,00 A 5.00 2 E3 T3 ...

A: Use Kirchhoff voltage law  First make a loop in the clockwise direction in which I1 current is flowi...

Q: cylindrical cube (advanced physics)

A:

Q: nuaie of mass 9.3 kg is pulled up a rough incline with an initial speed of 1.50 m/s. The pulling for...

A: The mass of crate is given as, m = 9.3 kg The initial speed of the crate is given as, vi = 1.50 m/s ...

Q: Two identical stunt professionals Aand B stand on the roof of building 1.Person A steps off of the r...

A: Mass of A and B are same. Let contact time for both persons are to be same.

Q: Light is incident at an angle (q) of 20° on a stack of materials with different indices of refractio...

A:

Q: How can an out-of-focus image refected in the camera obscura be brought into focus

A: Introduction: The Camera Obscura is an ancient optical device. In its most basic form it is a dark r...

Q: With a neat diagram, explain the working of electron microscopes. Briefly explain the role of each e...

A: Working Principle of a Electron Microscopes. Role of each experimental component.

Q: I need help with this please.

A: Asteroid Mass, m=4.35×105 Kg Asteroid Diameter, d=170.0 Km=170×103 m Asteroid radius, r=85 km=85×103...

Q: Find the volume of CO2 at 25°C and 750 mmHg if the volume of CO2 is 15m3 at 760mmHg and 20°C.

A: Given: P1=760mmHg T1=200C V1=15m3 P2=750mmHg T2=250C  

Q: 2) You have a box full of parallel plate capacitors with circular plates of radius ro and plate sepa...

A: Since we only answer up to 3 sub-parts, we’ll answer the first 3. Please resubmit the question and s...

Q: Calculate the gain with and without feedback for the "FET amplifier stage with voltage-series feedba...

A: Given data: R1=400(KΩ), R2=600(KΩ), Ro=24(KΩ), RD=8(KΩ), gm=50(ms) Finding the load resistance of th...

Q: Red light with wavelength l = 635 nm is incident on two slits with separation              d = 27 mm...

A: Given: The red light wavelength,l=635 nm=635×10-9mThe two slits seprartion,d=27mm=27×10-3m,Distance ...

Q: Discussing free vibrations and show that the frequency of oscillation for such a system is given by:...

A: The mechanical system is set in motion with an initial input and allowed to vibrate without any forc...

Q: A diverging lens located in the y-z plane at x = 0 forms an image of an arrow at x = x2 = -22.7 cm. ...

A: 1). The condition for constructive interference for normal incidence under reflected light in this c...

Q: 1. How is ultraviolet light used in forensic photography? 2. How is infrared light used in forensic ...

A: Forensic photographic techniques greatly use ultraviolet (UV) photography and infrared (IR) photogra...

Q: Two positive charges q, and q, are aligned along the x axis and separated by distance d as shown in ...

A: (a) The net electric field due to two charges at point P is given by E=14πεo(q1x12+q2x22) Where  q1=...

Q: Express the relations by which you can retrieve the gravitational potential fromgravitational field ...

A: Gravitational field is a region or a field where the force experienced by all objects in that region...

Q: If the length of the connecting lines in the tree is a rough measure of time, which of the following...

A: To explain the correct answer for subunit to diverge from globulin is given below.

Q: What is the resistivity of a wire 1.00 mm in diameter, 5.6 m long and 50 mΩ in resistance.  Enter yo...

A:

Q: Which DMM measurement would you expect based upon the red and black leads in this image? 12 V 8 V 4V...

A: The DMM measures differential voltage between the two terminals. So in the given connection the read...

Q: b. Consider a large massive spherical shell object. With all of its mass M is distributed at its rad...

A: Newton's law of gravitation states that everybody in the universe attracts each other in a force dir...

Q: In a two-lens system, if the final image is inverted it MUST be real. true or false?

A: Introduction: To analyze any system with more than one lens, each lens takes an object and creates a...

Q: Assume you are to create n+pn transistor using n- and p-typed doped silicon with the following dopin...

A: The intrinsic carrier density ni= 1.5 x 1010 /cm3 FOR THE BARRIER POTENTIAL AT JUNCTION 1 The barri...

Q: (a) If the power output of a 670 kHz radio station is 49.0 kW, how many photons per second are produ...

A: The radio station broadcast at 49 kW or 49,000 kJ/s The frequency of the signal , f=670 kHz or 670×1...

Q: I need help with this.

A: (a) Given: The top of the first ramp is at a height of 8 m. The top of the second ramp is at a heigh...

Q: Consider the circuit below. What is the charge on and the voltage across the capacitor labelled C2? ...

A: Here we will solve this problem using capacitor in combination formula.

Q: Describe a platinum resistance thermometer. How would you calibrate and use it for measuring tempe...

A: Resistance thermometers or Resistance Temperature Detector (RTD). It uses resistive elements to meas...

Q: Explain the principle of superposition of waves and hence explain how standing wave is formed. Deduc...

A: Superposition of waves, is simply the response created by two or more waves when they interact or in...

Q: Ffor a particle rotating on a ring, (a) give the expression of the probability py(?) of finding the...

A: In order to find the probability for finding the particle at an angle rotating on a ring: we use the...

Q: As the picture show.

A: Given: ζ2=500 nsζ1=10μs Formula used: ∆γ2=12πζ2 ∆γ0=22kT ln2mc2

Q: A block of mass m is held motionless on a frictionless plane of mass M and angle of inclination 9. T...

A: Given data: The mass of the block is m. The mass of the plane is M. The angle of inclination is θ. ...

Q: Question 3 a. A space craft achieved a maximum speed of 125,000 km/h on its way to photograph Mars. ...

A: (a) Given : v=12500km/h  

Q: A disc is in rotation. A point on the disc is at radius 8 m. Given that the radial acceleration is 1...

A: Here, we use the formula for radial acceleration to get the required values.

Q: As the ray travels from air ( n = 1.00) to water (n = 1.33), the critical angel for this transition ...

A: Given, Refractive Index of water,μw=1.33Refractive Index of air,μa=1 We have to calculate the critic...

Q: Question 2: Determine the horizontal and vertical components of reaction which the pins exert on mem...

A: For the horizontal component of reaction:

Q: What is the ball’s average speed and average velocity during the first 3.0 s? Answer in m/s2

A: Given A ball moves in a straight line (the x-axis). The graph shows this ball's velocity as a functi...

Q: Write the elongation matrix.

A: If c  is the spring constant and e is the elongation of the spring then the spring force F is given ...