EX2) A box barge 40 x 9 m floats in sea water at a draught of 3.5 m. Calculate the mass of the barge. EX3) A block of 4x0.3×0.25 m wood floats at a draught of 0.15 m in sea water. Calculate the mass of the block and its relative density.

Q: a student studie on of time t, ob

A: Given: Function of time can be mentioned as t graph for degree vs r(s) has given

Q: Archaeologists used pieces of burned wood, or charcoal, found at the site to date prehistoric…

A: Half life of Carbon -14 is (H) = 5730 years. It is given that 90% of C-14 had decayed = 1-0.90=0.10…

Q: 2000 A television camera at ground level is 2000 feet away from the launching pad of a space rocket…

A: Answer..

Q: a. Does a hot, thin gas emit a continuous spectrum, a bright line spectra with gaps between the…

A: a.  Hot gas emit a "" bright line spectra with gaps between the lines "" because in hot gas…

Q: 6) A rectangular loop of sides "a" and "b" carries current "T" as shown in the figure. There is a…

A: The torque acting on a coil with N number of turns carrying current I in an external magnetic field…

Q: in series e constant

A: Given: Time is 10 ms Charge is half the final value

Q: Average Speed * You drive from Los Angeles to Portland, a distance of 1.59 x 10³ km, in 29.5 h,…

A:

Q: 6) Suppose you drink a liquid through a straw. Explain why the liquid moves upward, against gravity,…

A: The given problem can be explained by the atmospheric pressure.

Q: 4. A skier is going down a hill with an angle of 30°. His weight is 60kg and his normal force is…

A: Given- Angle made by hill to horizontal (θ) = 300 Weight of skier (W) = 65 kg (W = mg ) Mass (m) =…

Q: Consider three resistors with values of 2.0 k, 3.0 k2, 4.0 kN and a 12 Volt battery. a. What is the…

A:

Q: In the figure, a 4.4 kg block slides along a track from one level to a higher level after passing…

A:

Q: Question 3: A transformer consists of two coils of wire wound on a core. The figure below shows ome…

A: A transformer is a device that transfers electric energy from one alternating-current circuit to one…

Q: Find the position function r(t) from the given velocity function r'(t) = 4ti + (3t2 – 1)j, r(1) =…

A:

Q: F = 20 N uk = 0.1 O = 45° %3D M1 = 7 kg

A:

Q: ics

A: i) Energy production: Nuclear power plants use nuclear reactions to generate electricity, providing…

Q: l par

A: Given: Distance is 0.58 nm Electric field is 2.8×104N/C

Q: e time t* th

A:

Q: d it takes the planet the mass of the star

A: Given: T=3.09 days r=1/g distance between sun and mercury

Q: s 0.36?

A: Given: Mass of bundle is 4.6 Kg Incline angle is 30o Kinetic energy is 178 J Friction coefficient is…

Q: . A tube of length L is filled completely with an incompressible liquid of mass M and closed at both…

A:

Q: A 12 µC charge is placed at the center of a hollow conducting sphere that contains 6.0 µC of charge.

A:

Q: 1. A capacitor is storing 1.6 J of potential energy and 7.2 mC of charge. If the plates are…

A:

Q: A convex rearview car mirror has a radius of curvature of 8.0 m. What is its focal length? An object…

A: Given that:-Radius of curvature=8mwe can say,f=R2=8 m2=4 m

Q: (SOLUTION IS REQUIRED) Two identical pieces of rectangular wood (k = 0.12 W/m.C°) of sides measures…

A:

Q: of 38.5 m/s anc

A: Given: Speed of ramp is 38.5 m/s Speed of trajectory trap is 36.1 m/s

Q: Q6. A ball A of mass 0.2 kg is moving on a frictionless surface with a speed of 3 m/s towards a ball…

A:

Q: An object whose mass is 0.2kg making a simple harmonic motion. Its displacement as a function of…

A:

Q: Analyzing Graphs Analyze the motion of the body as shown in the following graphs. d velecity:…

A: From the graph its clear that  d∝t2or d=Ct2             here, C is some constantthen,Velocityv=dddt=…

Q: An ideal pendulum of mass m and length l starts at rest parallel to the ground. (a) Find the angular…

A:

Q: 1. Figure P19.30 shows the electric field lines for two charged particles separated by a small…

A: The number of electric field lines originating from q2 is The number of electric field lines…

Q: 11. Which of the following does not depict the correct link between technology and physics? (a)…

A: To deal with this question first we will discuss in detail about the given topics.

Q: ticle was accelerate ■lomb interaction. If

A: Given: Energy of double charged alpha nucleus is 2.07 MeV Number of protons in gold nucleus is 79

Q: The uniform solid block in the figure has mass 35.8 kg and edge lengths a = 0.938 m, b = 1.44 m, and…

A: The length of the body diagonal of this object is, l = √(1.442 + 0.9382) l = 1.718 m The location of…

Q: Assuming the Stefan-Boltzmann law, compare the rate of radiation from a metal ball at 727 °C with…

A: We have to compute-Rate of loss of heat R1R2=?The data given as-T1=727+273=1000 KT2=527+273=800…

Q: 1- Index (i.e, give h,k, and I indices) the peak: O(100) (220) O(111) O(112) O(311) O(110) O(222)…

A: Option c is the correct answer Copper has Face Centred cubic crystal structure. The peaks appearing…

Q: The electric intensity at a point at a distance of I'm 1m from the centre of sphere of radices…

A: We need to compute-Surface charge density (σ)=?The data given as-Electric intensity (E)=104…

Q: What is the total flux enclosed by a cylinder whose radius is 1, 0<øs and -1szs2 given the flux…

A: Flux density is the flux per unit area

Q: A simple generator is used to generate a peak AC output voltage of 12V. The square coll of the…

A:

Q: The wires of our appliances are insulated with a material mixed with rubber, which has a very high…

A: The resistance of the insulating material is R=ρlA=ρlπro2-ri2=1013 Ω·m2.5 mπ5×10-3 m2-0.5×10-3…

Q: 123net 6-04t 0.034* F33 net - 0.068N - tan ) = 26. 91° (e7NID) (Suc) ( &u 12MC ↑ • An 8µC charge is…

A: Given, Charge, q1 = 8 μCq2 = -5 μCq3 = -12 μC

Q: A circular plate with I = 0.052 kg m² is rotating at w; = 1.2 rad/s. Another circular plate with I2…

A:

Q: (a) Find the speed of the cab just before it hits the spring. 9.39 m/s

A:

Q: A hunter aims a rifle at a monkey sitting at the top of 30-m tall tree which is 65 m away from the…

A: The initial velocity of the bullet, u=160 m/s The horizontal distance between the tree and the…

Q: Explain and compare ohmic and non-ohmic circuit elements

A: Given here  Ohmic circuit elements  Non-ohmic circuit elements

Q: 1. Kurdapya, a grade 12 STEM student is helping her sister solve this problem. How fast is an oxygen…

A: As per guidelines only first question is solved here.

Q: (1) Convert following temperatures (i) 96 °C into Fahrenheit scale (ii) -40 °F into Kelvin scale.

A: (i) Converting Celsius to Fahrenheit Here temperature in Celsius is 96

Q: 2. Select ALL correct statements about the acceleration of an object in projectile motion near the…

A: Near the surface of the Earth, objects experience a vertical acceleration due to gravity, typically…