You (50kg) are running westward at a speed of 15m/s has a head-on collision with your crush (75kg) who is walking towards east at 5m/s. If the two of you are locked together after collision, what is your final velocity?

Q: A sound source emits 20.0 W of acoustical power spread equally in all directions. The threshold of h...

A:

Q: The figure shows a snapshot of an electromagnetic wave traveling out of the screen in a straight lin...

A: The first and third snapshots should be possible.

Q: The graph below represents a snapshot at t = 0 of a wave of frequency 10 Hz that travels in the posi...

A: Given, the frequency of the wave that travels in positive direction on a taut string: f = 10 Hz.   T...

Q: . In a plant, a sucrose solution of coefficient of viscosity 1-5 x 10-3 N sm-2 is driven at a veloci...

A:

Q: The density of aluminum is 2.7 × 106 g/m3. The speed of longitudinal waves in an aluminum rod is mea...

A:

Q: Solve for the following problems (please answer 4-5)

A:

Q: Problem 1: A disk at rest experiences a constant angular acceleration for t = 85 s, at the end of wh...

A:

Q: A child is playing with a ball on a level surface. She gives the ball a push to get it rolling, then...

A: The correct option is (C)- there must have been some force on the ball opposing the direction of mot...

Q: A negatively-charged particle is shot near a wire carrying a current out of the page. Which directio...

A:

Q: This prelab question is about the experimental setup shown in the Lab Manual as Figure 1 for Experim...

A: Tangential force is responsible for increasing or decreasing the speed of the particle while centrip...

Q: The temperature, at which the root mean square velocity of hydrogen molecules equals their escape ve...

A:

Q: A wheel of radius 0.4 m consists of a ring of mass 1.2 kg and two rods of length 0.8m and mass 0.4 k...

A:

Q: Find the Z in the figure. j20 2 - 3 3n *-130 -j30 US

A: Given that:- Electrical circuit is given. We have to find the value of Z.

Q: A proton moves through a magnetic field of 5.6 x 10^-3 T at a speed of 2.0 x 10^-3 m/s perpendicular...

A:

Q: Calculate the limit of resolution of a telescope objective having a diameter of 200 cm, if it has to...

A: Given : D = 200 cm = 2 m  λ = 500 nm = 500 × 10-9 m

Q: A0.20-kg object is attached to a spring is undergoing simple harmonic motion. The spring has spring ...

A:

Q: Consider the circuit in the diagram, with sources of emf listed below. -les

A:

Q: Use the first law to find the work done in an adiabatic expansion. In a car engine operating at a f...

A:

Q: A rotating door is made from four rectangular glass panes, as shown in the figure. The mass of each ...

A: Given Data: The mass of each rectangular glass plane is: m=61.5 kg The force applied on a plane is: ...

Q: Electrons in a photoelectric-effect experiment emerge from an aluminum surface with a maximum KE 1.3...

A:

Q: A sinusoidal wave is given by:  y= 6 sin (8x - 9t) cm determine the  transverse velocity vy of a po...

A:

Q: Given a set of capacitors: 7 nF, 6 nF, 5 nF, 4 µF, 3 pF and 10 µF, solve the following problems: a. ...

A: Let C1 = 7×10-9 F , C2 = 6×10-9 F , C3= 5×10-9 F  , C4 = 4×10-6 F  C5 = 3×10-12 F , C6 = 10×10-6 F 

Q: The index of refraction of a piece of glass is n = 2.67. What is the speed of light (vn) in the glas...

A:

Q: What magnetic force per unit length does the bottom wire feel? 11.0 cm P 10 A 2.0 cm 10 A

A:

Q: The third harmonic frequency of a standing wave is 864 Hz on a string of length 94 cm that is bound ...

A: The third harmonic frequency of standing wave is f=864 Hz The length of the string is L=94 cm=94×10-...

Q: What are the two postulates of special relativity? (Choose two answers.) A In any closed system, the...

A:

Q: A) A rifle is placed on a wooden board. The board is stationary and has frictionless wheels. A heavy...

A:

Q: An object of mass 1 g is whirled in a horizontal circle of radius 0.5 m at a constant speed of 2 m/s...

A: Given : m = 1 g r = 0.5 m v = 2 m/s  

Q: Which of the following five quantities is NOT an expression for energy? Here, m is mass, g is the ac...

A: Required: To select a quantity that is not an expression for energy m = mass, g = acceleration due t...

Q: Which of the following describes the magnitude of the acceleration of an object in simple harmonic m...

A: To find : The magnitude of acceleration of an object in simple harmonic motion   

Q: The two most prominent wavelengths in the light emitted by a hydrogen Discharge lamp are 656 nm (red...

A:

Q: If the energy received by 5 m2 area in 10 minutes is 4200 kJ, calculate the value of solar constant.

A:

Q: An electron with an initial speed of 660,000 m/s is brought to rest by an electric field. Part A. D...

A:

Q: You are going on an out of town, and you are driving your car at 20m/s when you need to quickly red...

A: Given Initial velocity u = 20 m/s Final velocity v = 15 m/s Acceleration a= -6 m/s2

Q: A Truck is traveling at 40 m/s and sounding a siren with 800 Hz when approaching to a car heading to...

A:

Q: A propagating wave is represented by the wave function y(x,t) = 0.2sin(6rtx + 20Ttt + ) where x and ...

A:

Q: Problem 1: wo blocks, which can be modeled as point masses, are connected by a massless string which...

A: M1 = 1.2 kgM2 = 2.4 kg r = 0.25 m   

Q: Current Attempt in Progress The figure shows a lower leg being exercised. It has a 49-N weight attac...

A:

Q: A hole of area 1 mm opens near the bottom of a large-water storage tank, and a stream of water shoot...

A:

Q: An electromagnetic wave has a wavelength of 1000 m. What band of the electromagnetic spectrum is thi...

A: wavelength of electromagnetic wave λ = 1000 m Let make a wavelength table for different electromagne...

Q: If the energy received by 5 m2 area in 10 minutes is 4200 kJ, calculate the value of solar constant.

A: Given data :         Area  =  A         Time  =  t          Energy  =  E          To find :         ...

Q: rt and carry equal but opposite charges on their facing surfaces. An electron located halfway betwee...

A: GivenDistance of separation between plates, d=8.8 mForce experienced by electron, F=8.5×10-17 N

Q: A train is required to run between two stations 3 km apart at a schedule speed of 42 km/h, the du- r...

A:

Q: In a uniform field, if a proton moves in the same direction as the electric field the potential ener...

A: the electeomagnetic force on a charge is given byU=-∫F.dxin uniform electric Field F=qEU=-∫qE.dxU=-q...

Q: 9. The following question is about power dissipation in a resistor, which we didnâÂÂt really cover ...

A:

Q: A) A device that launches tennis balls contains a spring that compresses. the spring can compress 5....

A: As per our guidelines we will solve first three subparts for you. To get remaining subparts solved p...

Q: Work Energy Theorem A hammer of mass 500kg falls through a height of 4.0m on a pile of negligible ma...

A: The potential energy of an object at a height is given by PE = mgh, where m = the mass of the body g...

Q: A 4.0-N puck is traveling at 3.0 m/s. It strikes an 8.0-N puck, which is stationary. The two pucks s...

A: Given, weight of the puck, m1g = 4.0 Nm2g = 8.0 N Initial speed (before collision) u1 = 3.0 msu2 = 0...

Q: Explain why this is so. Match the words in the left column to the appropriate blanks in the sentence...

A:

Q: A transverse wave with a frequency of 871 Hz ,6.00 m wavelength, and 8.00 mm amplitude is propaga...

A: