Measured ages of globular clusters and a study of the time required for massive stars to build up the present abundance of heavy elements suggests that the universe is

Q: A pulley with a mass M and a radius R is mounted on a frictionless horizontal axle passing through t...

A:

Q: answer this on a paper thanks.

A: Note: As per the rules we can answer only 3 sub-parts, please post the remaining sub-parts as the se...

Q: The Earth is 1.49 × 1011 meters from the sun. If the solar radiation at the top of the Earth's atmos...

A: The sun emitting radiation I=1415w/m2 The average distance earth sun is 1.49×1011mTotal output power...

Q: The position of the bound volume current is if an aluminium wire holds a uniformly distributed curre...

A: please see the next step for solution

Q: Help me please

A: Given, Mass of metal sphere, m=6.1kg Density =2600kg/m3 Tension, T= 26N Let the density of the liqui...

Q: Firefighters use a high-pressure hose to shoot a stream of waterat a burning building. The water has...

A: Given that,The speed of the water (v) = 25 m/secThe height of the building (h) = 45 mTime taken by t...

Q: If the eye receives an average intensity greater than 1.0 x 102 W/m2 , damage to the retina can occu...

A: Given data I=100 W/m2d=1.5 mm

Q: 4. (OpenStax, ch. 9, problem 78) A 20,00 Ohm, 5.00 Watt resistor is placed in series with a power su...

A: Resistance R= 2000 ohm Power P = 5.00 watt

Q: 4. There is a plan to use a hot flue gases from a methane fired furnace to preheat 1000 Sm3/hr of co...

A: Given data: Air flow rate V1=1000 Sm3/hr. Standard condition T1=20°C and 1 atm pressure. Initial te...

Q: A wedge with mass M rests on a frictionless, horizontal tabletop. A block with mass m is placed on t...

A: The FBD of the system is as follows:  

Q: A 10.0 kg object weighs 95.5 N in water. (a) What is the buoyant force? (b) What is the volume of ...

A: Given: To find the buoyant force and volume of the object as,

Q: 3. There are two equal electric charges on the y-axis at points (0, - a)and (0,a). What is the elect...

A: Two equal charges are given as, q1 = q and q2 = q The charges are situated at points, 0,-a and 0,a T...

Q: A smoking room is to accommodate 50 smokers. The fresh air requirement for smoking areas is specifie...

A: please see the next step for solution

Q: Explain how in the twin paradox, we might arrange to compare clocks at the beginning and end of Mary...

A: The objective is to give an explanation that how in the twin paradox so that the clocks can be arran...

Q: Am i right #2

A: Using Doppler effect When the sound source moving towards the observer then the frequency of the sou...

Q: For the question (first picture), I set up the circuit below (second picture) but I think there is a...

A: The circuit is not connected properly.

Q: Which of the following dosimeters related optical density: Select one:

A: Introduction: A dosimeter is a device that measures directly or indirectly exposure, kerma, absorbed...

Q: A car in overtaking trailer uniformly accelerated it's speed from 40km/hr to 90km/he in 8 seconds . ...

A: Given data u=40 km/h=11.11 m/secv=90 km/h=25 m/sect=8 sec

Q: A harmonic oscillator has angular frequency v and amplitudeA. (a) What are the magnitudes of the dis...

A: Given, Angular frequency=ν Amplitude=A a. Given,  Elastic potential energy=Kinetic energy Thus, 12mω...

Q: An aluminum tea kettle with mass 1.10 kg and containing1.80 kg of water is placed on a stove. If no ...

A: Given data ma=1.1 kgmw=1.8 kgT1=20°CT2=85°C

Q: 4. The steady-state current I flowing in a circuit that contains a resistance R 5, capacitance,C = 1...

A: Solution:   Given that,   The expression for steady-state current I is given as:   I=ER2+2πωL-12πωC ...

Q: Its a class 10th physics problem. PLease don't skip as another subject.

A: Solution:   As per the given data,    

Q: Two lenses are in a series. With an object that is viewed through them 1) Pick values for the focal ...

A: (1) Introduction: The convex lens converges a straight beam of light. This lens is thicker at the ce...

Q: lon the bisechor of rod) at Celcule te non conducting cher ge clectric Jield rod the paind Pfor athi...

A: The electric field is given by E=14πε0qr2

Q: Would the headlights of a distant car form a two-source interference pattern? If so, how might it be...

A: Interference can only be produced by using two coherent sources.

Q: Three polarizing filters are stacked, with the polarizing axisof the second and third filters at 23....

A: given   Three polarizing filters are stacked, with the polarizing axisof the second and third filter...

Q: Please answer question and just send me the paper solutions asap dont type the answer please faster ...

A: Given, A=11 m @E52SB=5.7m @ W11N

Q: Calculate the partial pressure of helium gas for a volume of 1.0 ✕ 10-6 m3 of 206Rn gas after 17 min...

A: Givenolume (V)        = 1.0×10-6 m3 Pi,  R206n          = 1 atm Time t12         = 5.67 min Temperat...

Q: continued to task 1

A: (b) Consider the constants x, y, z as the powers of acceleration(a),mass(m) and energy(E) respective...

Q: For the bar shown in Figure P3-61 subjected to the linear varying axial load, determine the displace...

A: please see the next step for solution

Q: HW: X-ray range of wavelengths is between 10-8 to 10-12, Calculate the energy range of x-ray.

A: Given: The maximum wavelength of X-ray range is λ1=10-8 m. The minimum wavelength of X-ray range is...

Q: Does a refrigerator full of food consume more power if the room temperature is 200C than if it is ...

A:

Q: A uniform 165 N bar issupported horizontally by two identicalwires A and B (Fig. ). Asmall 185 N cub...

A: Given: Weight of the bar =165 N Weight of the cube=185 N The mass of each wire=0.0055 kg Length of ...

Q: The vehicle's 6-cylinder engine speed is 3200 RPM. What frequency does the engine produce in the opi...

A: The problem is based on the concept of the doppler effect. The change in the apparent frequency of t...

Q: A particle in a cyclotron travels in a circle of 2000m radius. What is the difference in magnitude o...

A: Given, radius of a circle is 2000 m

Q: Q4. Given three agents with states x¡, i = (1,2,3). The agents are connected together and they updat...

A:

Q: In a P-type Si sample the hole concentration is2.25 × 1015/cm³. The intrinsic carrier Concentration ...

A: Given data ni=1.5×1010 /cm3p=2.25×1015 /cm3

Q: Air enters steadily a turbine at 2 MPa and 400°C at a velocity of 200 m/s and exits at 100 kPa and 2...

A: Let the temperature of both ends is T1 and T2. Given, R=287J/kg-K T1= 400+273      =673K Let v1 and ...

Q: Assume that you buy a new camera that supports 720p (1280x720 16 bit 30 frame/sec) recording. You re...

A: Given that,Camera that supports 720p recording.Here we need to find the the size of the file:As we k...

Q: please use the pictures below. it is the circled one.

A: Q 45) Given: Angular momentum is decrease by 30% means (100-30)=70% Initial diameter of the wheel is...

Q: What is the smallest positive phase constant (ø) for the harmonic oscillator with the position funct...

A: The general equation of the wave: y= A sinωt-kxBut for the general choice of origin of time t, the n...

Q: A meter stick moves past you at great speed. Its motion relative to you is parallel to its long axis...

A: The length of the moving stick is 1.00 ft or 0.3048 m.  To determine: The speed of the meter stick. ...

Q: Complete solution and explanation, please. I would like to learn

A: Given, Potential energy, Ux = -2.5J/m3x3-7.5J/m2x2+5J/mx+5Je-1/mx   a) So, force,  F = -∇U=-∂U∂x=52x...

Q: For the system of capacitors shown in the figure C=2F, C2 =4F. Ca 3F, and the potential difference i...

A: First of all we have to calculate equivalent capacitance of the circuit and then total charge across...

Q: A particle has charge -5.00 nC. (a) Find the magnitude anddirection of the electric field due to thi...

A: Electric field is given by: E=kqr2where, k=8.99×109 N·m2/C2q=-5 nCr=0.25 m Putting values in the for...

Q: The distence leedweer the a, 92 2pc cherges is Velues cm. far uhat 92/resultant thes 11 Force cach t...

A: The repulsive or attractive interaction between any two charged bodies is known as an electric force...

Q: Q.1 Application of laser with special emphasis on holography?

A: Holography is a process to produce the image of the object in three dimension.

Q: A beam of light is traveling inside a solid glass cube that has index of refraction 1.62. It strikes...

A: We know that Critical angle is defined as the angle of incidence above which the total internal refl...

Q: • To scan or not to scan? It has become popular for some people to have yearly whole-body scans (CT ...

A: Given that, 1 scan gives a dose of 12mSv applied to the whole body. Chest X-ray: 0.20 mSv to 5 kg of...

Q: A 30.0 kg crate is initially moving with a velocity that has magnitude 3.90 m/s in a direction 37.0°...

A: Given data m=30 kgV1=3.9 m/sV2=5.62 m/s