Calculate the time taken 120 W tube light to consume 4000 J of energy.

Q: The figure gives an overhead view of the path taken by a 0.162 kg cue ball as it bounces from a rail…

A: mass of ball = 0.162 kg initial speed = 2.82 m/s θ1 = 62.2o

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

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Q: dis Problem 2: Two points are located in the Cartesian plane. The first has coordinates (1.83…

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Q: A hydro electric power station takes its water from a lake whose water level is 50m above the…

A: Height, h = 50 m Efficiency, n = 40% = 0.4 Power, P = 1 MW = 106 W Acceleration due to gravity, g =…

Q: 1. The area of the hysteresis loop of a 1200 cm³ ferromagnetic material is 0.9 cm² with Bmax = 1.5…

A: in this question  we derive  total power loss.

Q: Problem 5: A block of mass 4.2 kg is sitting on a frictionless ramp with a spring at the bottom that…

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Q: During a lightning storm, a lighting bolt causes 100 C of charge to move through a potential…

A: Given data:  Charge (Q) = 100 C Potential difference (V) = 5×105 V Power (P) = 4×108 W Required:…

Q: The inclined surface is used in objects and the purpose of its use is for: - all of the above -…

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Q: A particle of charge -0.8 µC is located at the end of a spring at some equilibrium position (left…

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Q: An optimal condition for the analysis of a radioelectric link is given with the use of the factor K…

A: The usual effect of the declining pressure of the atmosphere with height (vertical pressure…

Q: Minority carriers (holes) are injected into a homogeneous n-type semiconductor sample at one Point.…

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Q: The acceleration due to gravity at the surface of planet A is half that on the surface of the Earth.…

A: Given:- a= acceleration due to gravity at surface of planet A= g/2 MA = 2M Where; MA= mass of A M=…

Q: Certain force acting on a 20 kg mass ch.urlyc its velocity from 5 m/s to 2 m/s. Calcukate the work…

A: Introduction :  In this question we are provided it value of mass , initial velocity and final…

Q: Question 21 of 22 The batteries in the circuit below are ideal with &₁ = 22 V and ₂ = 10 V. The…

A: To solve this problem we apply kirchoff's voltage Law   in circuit we take clockwise sense for flow…

Q: 75. BRAKING LOAD A truck with a gross weight of 30,000 pounds is parked on a slope of d° (see…

A: Free body diagram gives whole idea of the forces acting. Force brings about motion and changes in…

Q: Exercise 2 1. Why is the thermometer bulb placed just below the arm leading to the condenser? 2.…

A: (1)

Q: If in a box with infinite walls of size 1 nm there is an electron in the energy state n=2, find its…

A: Size of the box of infinite well = L = 1nm = 10-9m Energy state  = n = 2 Particle in the box =…

Q: energy it will possess

A: Given; A body falls freely under gravity from nest.Name the kiind of energy that it posses,  Under…

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

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Q: A baseball is hit when it is 2.5 ft above the ground. It leaves the bat with initial velocity of 145…

A: Since you have posted a question with multiple sub-parts, we will solve the first three sub parts…

Q: 1-The following equation refers to V-pendulum experiment: Y=-14X+15 and T4 = (44 L k/g2)-(8n4L/g2…

A: Given : T4 = 4 π4Lkg2 - 8 π4Lg2dalso given that Y=-14X+15 Here,Y = T4 and X=d

Q: 1. A massless rope that run over a frictionless pulley as shown in the figure. If M₁ = 3 Kg and M₂ =…

A: The question has 5 sub-parts. As per the Bartleby policy, we will answer the first 3 sub-parts.…

Q: 3. A 10-lb block of steel is at rest on a horizontal table. The coefficient of static friction…

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Q: Lyman series:nf=1  (91<λ<123 nm; near-UV). Balmer series:nf=2  (365<λ<658 nm; visible). Paschen…

A: The electron on gaining energy jumps from lower orbit to higher orbit. It is just that correct…

Q: Calculate the thermal-equilibrium of electron concentrations per cubic centimeter in a compensated…

A: GIVEN: Temperature T = 270C OR 300k impurity doping concentration Na =2×1015cm-3 Nd=5×1014cm-3

Q: When the ball is at the highest point of its flight: A. the vertical acceleration is zero B. the…

A: When the ball is at highest point of its flight the vertical velocity of ball is zero.  Option (C)…

Q: The heating coil in an electric tea pot is made of nichrome wire with a radius of 0.225 mm. If the…

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Q: ent Attempt in Progress me drawing shows a uniform horizontal beam attached to a vertical wall by a…

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Q: Ilya and Anya each can run at a speed of 8.60 mph and walk at a speed of 3.70 mph. They set off…

A: in this question  we determine  mine total time for cover whole distance and velocity average.

Q: Imagine you have a body at rest on a surface that exerts a friction force F₁ = - 5 N to the left. If…

A: Draw the free-body diagram of the body.

Q: How much centripetal force is needed to make a body of 0.8 kg to move in a circle of radius 0-6 m…

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Q: The slider block moves with a velocity of VB = 5 ft/s and an acceleration of aB = 3 ft/s².(Figure 1)…

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Q: Assume that the mobility of electrons in silicon at T = 300 K is = 1300 cm²/V-s. Also assume that…

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

A: Introduction :  In this question we are provided it value of frequency and wave speed . With these…

Q: Find the resistivity (2.cm) of an intrinsic semiconductor with intrinsic concentration of 8x10¹8 m³.…

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Q: According to the following plot (velocity versus lime) that refers to a cart with mass (m-0.75 kg)…

A: mass(m) = 0.75 kg Given formula for kinetic energy (K.E.) = 12mv2 where m is mass v is velocity…

Q: How does the frequency of the sound

A: Given;   Define how the frequency of the sound given by a stretched  string depends on its:  a.…

Q: A train is 334 m long runs at 48 m/s. Find the time?

A: Given  Length (L) = 334 m  speed (v) = 48 m/s    Therefore , tume taken by train to cross a pole…

Q: Determine the value of the slope for the given two points (0.500, 7.41) and (0.800, 3.42) -13.3…

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Q: A vehicle pulls a cart horizontally with a force of 40 lbs at an angle of 30 above the horizontal…

A: Given data  Force ( F ) = 40 lb Angle ( θ ) = 30°  Speed ( v ) = 6.0 mi/h  Time ( t ) = 10 minutes…

Q: I was wondering how did you guys get zero for answer c

A: As we know that, the average velocity is given by the formula -…

Q: calculate the moment of forces applied.

A: Given data;  Steering wheel diameter,d=0.5 mIt is rotated anticlockwise by applying two forces,…

Q: *53. ssm A sailboat race course consists of four legs, defined by the displace- ment vectors A, B,…

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Q: 3. Find I and Vx for the circuit below. 15 V lov + 4. Find Vx for the circuit below. 22 t 192 vx ≤…

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

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Q: Sample of Ge of volume (=1 cm³) contains about 3 x1014 free electrons, and 3x10¹3 holes, doping…

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Q: Calculate the mean free path of an electron having a mobility of 1000 cm²/V-s at 300 K; Assume m₂ =…

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Q: A submarine emits a sonar pulse, which returns from an underwater cliff in 1.02 s. If the speed of…

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Q: A Tv broadcast station has a transmitting antenna loacated 20m above the ground. What is the height…

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