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Q: A blimp is filled with 400 m3 of helium. How big a payload (in kg) can the blimp lift? (The density ...

A: Volume of blimp=400 m3 Density of air = 1.29kg/m3 Density of helium = 0.18 kg/m3

Q: A technician wishes to form a virtual image of a crystal at a distance of 16.1 cm behind a concave m...

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Q: Which of the pictured rigid bodies cannot be in static equilibrium?

A: For static equilibrium the line of action of force should be same and also have same magnitude.

Q: The initial amount of carbon-14 is 100 g and the amount of carbon-14 dropped to 1 g after decay proc...

A: Given, Initial mass (mo) =100g Final mass (m) = 1g half life (t1/2) =5730 years

Q: Find the Forre Acts on ー6 15cm dA= - 2.5X 10c メDC dB=+ 3.0X1O C 15cm 15cm 9. dc=t 5メ10c 15cm 4D=- 2....

A: The force between the two charged particles is given by  F = k q q'r2 where, r is the distance betwe...

Q: What is the critical angle for light going from a material with an index of refraction 1.91 into a m...

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Q: Fill in the blanks.

A: q1 = 4.00 nC = 4.00×10-9 Cq2 = -4.00 nC = -4.00×10-9 Cq3 = 2.40 nC = 2.40×10-9 C

Q: Calculate the change in entropy as 0.0929 kg of ice at 273.15 K melts. The latent heat of fusion of ...

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Q: A grandfather clock has a pendulum that consists of a thin brass disk of radius r = 13.15 cm and mas...

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Q: Problem: An infinitely long cylindrical conductor has radius R and uniform surface charge density o....

A: Assume infinite length cylinder length is L. So, surface area of cylindrical conductor is,  A=2πRL T...

Q: How much upward force would you have to apply to just support the weight of an average apple of mass...

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Q: ne linebaCker. Which of the following is true about the values used n the conS vation mon ntum equat...

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Q: A simple harmonic oscillator consists of a block of mass 1.50 kg attached to a spring of spring cons...

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Q: What wavelength of light, in nvm, is needed to ionize a hydrogen atom (ie, to remove the electron fr...

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Q: calculate the period of an earth satellite moving in a circular orbit 1200 km above the earth's surf...

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Q: A merry-go-round at an amusement park consists of an outer ring of horses and an inner ring of eleph...

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Q: An x-ray source generates EM radiation with a wavelength of 45.0 pm (10-12 m). h =       c =     qel...

A: Photon energy is given by : E =hcλ = 1.98644586×10-2545x10-12 = 4.413x10-15 J Potential difference: ...

Q: Physics Question

A: Given that mass of the counter weight and mass of the fully loaded elevator and radius of the pulley...

Q: A cube with edges of length L = 0.23 m and density ρc = 3.4×103 kg/m3 is totally submerged in water,...

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Q: What is coloumb's law?

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Q: In the diagram below, a bar magnet moves toward a solenoid. Use Lenz's Law to find the direction of ...

A: Part(a): When north pole of the magnet comes near the loop then the direction of induced current is ...

Q: As shown in the figure below, a 2.25 kg block is released from rest on a ramp of height h. rough pat...

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Q: #5 uses a graphic to show to show the velocities of two objects before and after a collision. The ob...

A: Answer :-  The object on the left has a greater mass Because  Momentum(P) = Mass (m). Velocity (v)

Q: A light ray of wavelength 589 nm (produced by a sodium lamp) traveling through air is incident on sm...

A: Given that---- (angle) 1 = 40 degree refractive index of glass n1 = 1.54 Question ❓ Find the angl...

Q: What is the magnitude of the angular momentum of the 2.40 kgkg , 4.20-cm-diameter rotating disk in t...

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Q: A playground merry-go-round with a mass of 115 kg and a radius of 2.1 m is rotating with an angular ...

A: Given that, Mass of the merry-go-round, m1 = 115 kg Radius, r = 2.1 m The angular velocity of the me...

Q: Find the total current and the current passing through R1 and R2 100 23 R, R, 3250 2 24 V 350 2 R3 R...

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Q: Water is placed into an iron container along with an ice cube. They are thermally isolated.The ice c...

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Q: What energy, in eV, is needed for an electron in a hydrogen atom to go from the ground state to the ...

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Q: 2. An electron initially moving in the third orbit around the nucleus of the hydrogen atom. Find the...

A: Given: Initial orbit of electron n1 = 3 final orbit of electron in which it transit n2 = 1

Q: An object is said to be moving along a circular path of diameter 600km. If it is revolving with an a...

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Q: A 3.50-kg object is attached to a spring and placed on frictionless, horizontal surface. A horizonta...

A: a)F=-kx 19 = k x0.2 k=95 N/m b) f=12πkm = 0.829 Hz c) Maximum velocity will be at x=0,  12kx2=12mv2 ...

Q: A basketball player is running at 4.50 m/s directly toward the basket when he jumps into the air to ...

A: Given that-  Velocit= 4.5 m/sec We have to find the vertical velocity & distance from basket. 

Q: The three 220 gg masses in (Figure 1) are connected by massless, rigid rods. What is the triangle’s ...

A: Given that, Masses, m1 = m2 = m3 = 220 g = 0.22 kg The side of an equilateral triangle is 40 cm. (a)...

Q: The current supplied by a battery in a portable device is typically 0.25 A. Find the number of elect...

A: Given data: Magnitude of current flow is, I=0.25 A. Time interval is, t=1 hr=1 hr×3600 s1 hr=3600 s.

Q: A Lamp load consist of 30-100 Watts Lamp each taking rated power from 120 volts supply. What will be...

A: Given data: The number of lamps is, N= 30 The power consumed by each lamp load is, P= 100 W The volt...

Q: Train cars are coupled together by being bumped into one another. Suppose two loaded train cars are ...

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Q: Block B hangs on a cable connected block A through a pulley as shown in the figure below. The two bl...

A: The block B has a mass m=2.5kg The angle of the incline θ =35°To find the tension on the cable The m...

Q: 1. Identify what features of a capacitor can be maximized or minimized to make a capacitor with the ...

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Q: b) Determine the currents I,,1, and 1, for the electrical network shown in the following figure usin...

A: Kirchhoff's laws are useful in analyzing the circuits and it is based on the conservation of charge....

Q: (a) Using the isolated system model, determine the speed of the object of mass m2 = 3.00 kg just as ...

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Q: Sphere A with mass 92 kg is located at the origin of an xy coordinate system; sphere B with mass 65 ...

A: It is given that, mA=92 kgmB=65 kgmC=0.50 kgrA=0i^+0j^rB=0.25 i^rC=0.19 i^+0.18 j^G=6.64×10-11 Nm2/k...

Q: Two objects are connected by a light string that passes over a frictionless pulley as shown in the f...

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Q: I Review Two satellites are in circular orbits around a planet that has radius 9.00 x 106 m. One sat...

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Q: Olaf is standing on a sheet of ice that covers the football stadium parking lot in Buffalo, New York...

A: Mass of ball (m1) = 0.4kg Speed of ball, vo= 12m/s Mass of olaf (M) = 71.1kg

Q: Water is placed into an iron container along with an ice cube. They are thermally isolated.The iron ...

A: mass of iron container = 620 g Initial temperature of container = 70o C mass of water (m) = 200 g In...

Q: Q1 a) Convert a density of 1.0g/cm^3 to kg/m^3. b) At constant pressure 6m³ at an ideal gas at 75°C...

A: (a) Density, d = 1 g/cm3 (b) Initial volume, V1 = 6 m3Initial temperature, T1 = 75°CFinal Volume, V2...

Q: Please provide all necessary drawings and explain each step!

A: Given, n1=1 (air) n2=1.5(glass) i=58 degree(angle of incidence)    

Q: | 25 Points a) What is the surface gravity (local acceleration) of a planet with mass of (3.5 x 1024...

A: we have to use the formula for acceleration due to gravity for the first part as G times mass of the...

Q: A comb rubbed on hair several times acquires a net charge of -0.96 C.  Did the comb gain or lose ele...

A: Since the comb has a negative charge it gained electrons. charge on one electron= e= -1.6×10-19C