You produce an image of the Sun on a screen, using a thin lens whose focal length is 15.0 cm. What is the diameter of the image?

Q: Name and briefly characterize the major properties of three statistics What are the conditions of th...

A: Introduction: Statistical mechanics is the branch of physics that combines the principles and proced...

Q: The figure below shows a horizontal rod, of length 7.4 m, with forces acting on it. A 30 N force act...

A: Solution of the problem is -

Q: An unstable particle with a mass equal to 3.34 ✕ 10−27 kg is initially at rest. The particle decays ...

A:

Q: The solar constant (Gse) measured by a scientist is reported as 1385 W/m2. Assume the total hemisphe...

A:

Q: A toroid having a square cross section, 5.05 cm on a side, and an inner radius of 22.3 cm has 530 tu...

A: Using Amperes law,

Q: A physics student is getting some physical education, specifically doing a pushup, sohe’s supported ...

A: Given: The mass of the student is 75 kg. The distance of the centre of mass from the shoulder is 39 ...

Q: A cylinder that has a 41.5-cm radius and is 50.0 cm deep is filled with air at 29.0°C and 1.00 atm s...

A: Boyle's Law For an ideal gas, at a fixed temperature, the pressure of the gas is inversely proportio...

Q: For the circuit shown, find (a) the voltage v, (b) the power delivered to the circuit by the current...

A: Using the concept of resistor in series and parallel and Ohm’s law

Q: A particle of mass M is constrained to move on a sphere of radius R (a) What is the spectrum of the ...

A: (a) For the given spherical harmonics the eigenfunction is given as: Ylm(θ, ϕ)=-1m(2l+1)4πl-m!l+m!ei...

Q: For this problem, l'd like you to numerically compute the trajectory of a two-particle system by app...

A: Particles of masses,  m1 = m and m2 = 2m Spring constant =k Initial velocity of 1st particle is, v1 ...

Q: Part A: A researcher is studying the lifespans of chimpanzees from Location A and Location B. From h...

A: A1) The lifespan of chimpanzee on location A ranges from 27-4 to 27+4 years i.e. 23 to 31 years. Lif...

Q: A pulsar is a stellar object that emits light in short bursts. Suppose a pulsar with a speed of 0.91...

A: Using velocity addition theorem to find the velocity of pulsar w.r.t the rocket ux'=ux-v1-uxvc2=-0.9...

Q: A comet has an orbital period of 94 years. What is its average distance (in AU) from the Sun? AU If ...

A: According to Kepler's third law of motion The relation between the period of the object revolving ar...

Q: A thin glass rod of radius R and length L carries a uniform surface charge s. It is set spinning abo...

A: Given: A thin glass rod of radius R and length L carries a uniform surface charge s. It is set spinn...

Q: a water droplet on a surface has the following surface energy (0.029 n/m). What is the contact angle...

A: The angle of contact is, cosθ=σeσ the surface tension of water is 0.073 N/m. therefore,  

Q: Please help.

A:

Q: Suppose you have a water droplet on a surface with the following surface energies (0.029 n/m). What ...

A: the angle of contact is, cosθ=σeσ the surface tension of water is, 0.073 N/m.  

Q: Gravitational acceleration is 9.81m/s2.

A:

Q: Submit a file with a maximum size of 1 MB. (a) Two spheres have radii a and b, and their centers a...

A: Given, Two spheres have radii a and b and their centre are d distance apart

Q: Problem 3: An 8 m long uniform seesaw of 20 kg mass is supported at P by a 50 kg student at one end,...

A: Part-a The length of the seesaw l = 8 m. The mass of the seesaw ms = 20 kg. The mass of the left st...

Q: = 94. A 5.00-kg block is placed on top of a 12.0-kg block that rests on a frictionless table. The co...

A: Given: A 5.00 kg block is placed on top of a 12.0 kg block that rests on a frictionless table.  The ...

Q: An object–spring system moving with simple harmonic motion has an amplitude A.(a) What is the total ...

A:

Q: A ball falling freely in the field of gravity passed the final section of its trajectory of length 9...

A: The kinematic equation of motion is given by Where vi = Initial velocity, vf = Final velocity, S = ...

Q: Three horizontal forces act on a car that is moving along a straight, level road.   Which combinatio...

A: To move with constant speed means the acceleration should be zero.  

Q: A 2-stage rocket is video-recorded. The video gives the following data: Light (from combustion) of ...

A: A) Assume that the rocket moves vertically upwards and that the camera is set up a constant horizont...

Q: 1-Select all the parameters that affect the electrical resistance of a resistor having a rectangular...

A: Answer:   As per the given data,   The parameters which are related is explained as below:

Q: 3. a) Calculate the internal energy of 4 mol of a polyatomic gas at 12 °C [ans: 28420.2 J] b) Calcul...

A: Part (a) Given data: The number of moles is N=3 mol. The temperature is T=12°C. The universal gas c...

Q: The 0.5 kg particle shown travels at a speed of 3 mps around the surface of the stationary drum. All...

A: Free body diagram

Q: In an emergency you can start a car with a manual transmission by putting it in neutral, letting the...

A: Ekinetic=Epotentialmgh=12mv2h=v22g

Q: 10) A figure skater wants to increase her rotational speed by a factor of 3. a) By what factor shoul...

A: There is no net torque on figure skater(angular acceleration = 0)  

Q: A spring with a spring constant 2.40 N/m attached to a block and the block is initially at rest with...

A: “Since you have posted a question with multiple sub-parts, we will solve first three subparts for yo...

Q: Fill in the boxes

A: Let us consider a light particle of mass m and property q. It moves in the vicinity of the heavy obj...

Q: A diver with a mass M = 56.7 kg stands at one end of a uniform 3.5-m-long diving board of mass m = 4...

A: Consider rotational equilibrium using the end support on the left as the pivot point.

Q: :4: Two blocks are connected with a rope as shown. The surfaces and the pulley are frictionless. m i...

A: Using the free body diagram,

Q: A metal ball of radius 20 cm is charged to potential 150 V. A point charge 5 nC is moved from infini...

A: Using potential and work energy theorem,

Q: At what angle to the horizon was the stone thrown if the ratio of its potential energy to the kineti...

A:

Q: How many molecules are there in 985 mL of nitrogen at 0.0°C and 1.00×10-6 mm Hg? (Ideal Gas Law Ps...

A: Using ideal gas law PV=nRTn=PVRT

Q: An AM radio transmitter radiates 500 kW at a frequency of 760 kHz. How many photons per second does ...

A: The energy of the photon is given by E = hf Where h = Planck constant = 6.626 x 10- 34  J.s, f = fre...

Q: 36.7. If 2 .09 and initially N 10, what is the probability that N 12 one year later? What is the pro...

A: Given λ    = 0.09N0 = 10N   = 12

Q: A physics student is studying a globe, which can be approximated as a uniform solidsphere with a rad...

A: Given: Radius of solid sphere is r=0.220m Mass of sphere is m=0.800kg Frictional torque  is τFrictio...

Q: dU =T dS – P dV Re-arrange the thermodynamic identity by solving for dS. Assume we are applying this...

A: Given: The thermodynamic identity is dU=TdS-PdV. Introduction: Entropy, the measure of a system's th...

Q: It's important because I need it tommorow

A: “Since you have asked multiple question, we will solve the first question for you. If you want any s...

Q: Question in picture

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Q: Finalize As expected, the angular speed increases v angular speed is 4.1 rad/s. Notice that the acti...

A: (a) Given: The final angular speed is 1.8 rads. Introduction: Any of the individual angular momenta ...

Q: The graph above shows the potential energy of an object that moves without the influence of other fo...

A: When an object is released in a potential in an arbitrary position it will try to move towards equil...