Find speed of train Distance 500 km Time=5 hr

Q: The area of the bottom of a tiffin box is 0.25 m² and weight is 50 N, Calculate the pressure exerted…

A: Given  Area of tiffen box  A = 0.25 m2 Weight of box  W = 50 N  To find  Pressure exerted by box on…

Q: At a certain depth in the incompressible ocean, the gauge pressure is pg. At three times this depth,…

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Q: 2. A stone is thrown from the top of a building upward at an angle of 30.0° to the horizontal with…

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Q: How much energy is gained by a box of mass 20 kg when a man (a) carrying the box waits for 5 minutes…

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Q: the following equation refers to V-pendulum experiment T4 = (44 L k/g2)(8 m4L/g² )d, where : L:…

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Q: Give some introduction about INTERNAL RESISTANCE CELLS

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Q: How does a semiconductor vary from a conductor and an insulator, and what does it do? In your…

A: Those substances which have conductivity between conductors and insulators. Such as germanium,…

Q: If you hit somebody from behind, his head seems to snap backwards. Why?

A: Force brings about motion and changes in it.  This force produce acceleration and hence the changes…

Q: The three charged particles in the figure below are at the vertices of an isosceles triangle (where…

A: Potential at a point due to other three charges.

Q: The weight of a body is 160 N. What is it's mass? Given g = 10 m/s²

A: Introduction :   In this question we are provided it value of  weight of the body and gravitational…

Q: QUESTION 1 1-The following equation refers to V-pendulum experiment: Y=-14X+15 and T4 = (4x4 L k/g2)…

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Q: A rectangular loop of wire is located near a long straight wire. The straight wire is held fixed,…

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Q: It is observed that a photon must have an energy of at least 23 eV in order to excite a certain…

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Q: A horizontal force of magnitude 48.3 N pushes a block of mass 3.75 kg across a floor where the…

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Q: Ohm's law states that V=IR where V is the voltage in volts (V), I is the current and R is the…

A: In the given question, According to ohms law, we kept voltage constant and varied resistance and we…

Q: D Part (c) Write an equation for the work done in stretching the spring from x1 to x₂. Part (d)…

A: The spring is stretched from x=0 to x1=35 cm=0.35 m with a spring constant k1=660 N/m, then from x1…

Q: Problems: Solve the following problems. Show complete solution and box the final answer. 1. A…

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

Q: According to the centripetal force experiment answer the following questions: The graph of…

A: The answer is Option C-Polynomial graph.

Q: The area of the bottom of a tiffin box is 0.25 m² and weight is 50 N, Calculate the pressure exerted…

A: Introduction :  In this question we are provided it value of area and force . With these data we…

Q: Find the wavelength of a second wave that has a frequency of 160 Hz and a wave speed of 13200 m/s.

A: Given data:  Frequency (f) = 160 Hz Wave speed (v) = 13200 m/s Required: The wavelength (λ)

Q: A batter hits a pitched ball at a height of 4.0 ft above the ground so that its angle of projection…

A: In this question we have to find whether the ball will clear the fence or not. Please give positive…

Q: An object dropped on Planet X falls 64 m in 4s. Find the acceleration due to gravity on planet X.

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Q: What is the acceleration a force of 210 N exerted of mass 14 kg. produced by on an object

A: Introduction :   In this question we are provided it value of force and mass . With these data we…

Q: A gas absorbs 50. kJ of heat and does 25 kJ of work. Calculate AE. AE= k]

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Q: What is SONAR? State its principle on which it is based.

A: SONAR stands for SOund Navigation And Ranging. It is described as a method for using sound waves to…

Q: 3. The velocity of the flow () in a pipe is equal to a. b. d. PE V = 2gx 20 1+200 S 2gx20 1+200/…

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Q: Find momentum Mass=2.2234 kg Velocity=0.1 m/s

A: Momentum:-  We know that momentum is defined as the production of the mass and the velocity of the…

Q: An electric heater is rated 2.5 kW. how much energy does it use in 12 hours.

A: Introduction :  In this question we are provided it value of time and power . With these data we…

Q: Find impulse Force-2.334 N Time=0.2 s

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Q: 122 km/hr = mile/hr

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Q: RECTILINEAR MOTION PROBLEM 4 A car starting from rest picks up at a uniform rate and passes three…

A: Motion perpendicular are independent of each other. Motion can be uniform or accelerated. Motion is…

Q: Find the position of the intrinsic Fermi level with respect to the center of the bandgap in Ge at…

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Q: A current of 5 A flows through a conductor for 6.8 s. What amount of charge passes through the…

A: Given value--- current = 5 Amp. time = 3.8 sec. We have to find--- charge?

Q: A steel ball of mass 0.850 kg is fastened to a cord that is 65.0 cm long and fixed at the far end.…

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Q: A projectile is lauched from the ground level with an velocity of v ^0 feet per second. Neglecting…

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Q: Question 5 of 22 A thin layer of oil (n = 1.25) covers the surface of a puddle of water (n = 1.33).…

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Q: What type of sound wave?

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Q: The batteries in the circuit below are ideal with &₁ = 22 V and 2 = 10 V. The resistors have values…

A: Given data:  Two batteries are connected opposite to each other ε1 = 22 V and ε2 = 10 V Three…

Q: Problem 1. A free particle has the initial wave function W (.r, 0) = Ae-r where A and a are…

A: in this question we normalize schrodinger equation and solve it.

Q: A car of weight 180 kg. To what height should it be raised so that potential energy is 1420 J? Take…

A: Introduction :  In this question we are provided it value of potential energy ,mass and acceleration…

Q: 4. A 5.0-kg block moves in a straight line on a horizontal frictionless surface under the influence…

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Q: Calculate the value of force applied if work done is 268 J and displacement is 24 m.

A: Work done is the dot product of force vector and displacement vector. W=F→.S→ = FScosθIf F→ and S→…

Q: How do I find the slope or if my graph is correct

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Q: In the Circuits activity, what is the total resistance (in ohms) for the series circuit?

A: In series circuit , total resistance will be equal to algebraic summation of all the resistors .…

Q: A24gbbw ead-on with a forward speed of 20 m bounds with a speed of 4.0 ms. The contact time is 0.100…

A: Given : m = 2 kg vi = 2 m/s vf = -4 m/s (Negative because basketball finally moves in opposite…

Q: Question 15 of 22 When ultraviolet photons with wavelength A are incident on a metal surface with…

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Q: When a boy weighing 20 kgf sits at one end of a 4m long see-saw, it gets depressed at its end. How…

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Q: Calculate the time taken 34 w bulb 10 consume 2100 J of energy?

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Q: A toy truck moves the edge of a table that is 1.25 m high and lands 0.40 m from the base of the…

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Q: A 50-g ice cube floats in 150 g of water in a 100-g copper cup; all are at a temperature of 0°C. A…

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