Which among the following particle(s) experiences a zero net force? I. An elevator moving at constant speed up of 6.0 m/s II. A rotating turntable of 3 cycles in a minute III. A falling apple   a.I only b.none of these c.II only d.all of these e.III only

Q: If we have 2 sheets with the charges shown as the figure, what is the result of the electric field…

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Q: Situation 2 (Items 45-46). A body at rest was accelerated, and it traveled for five minutes. The…

A: Given : u = 0 (because initially the body was at rest) t = 5 minutes= (5)(60) = 300 seconds a = 2…

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Q: X-rays have a wavelength of 0.71 A)) scattered by a piece of carbon at a right angle, then analyzed…

A: We have an incoming X-ray of wavelength λ=0.71 Ao=0.71×10-10m which is scattered at right angle…

Q: The ideal efficiency for a heat engine operating between the temperatures of 430 degrees C and 27…

A: The correct answer is 57% i.e. option (A)

Q: Calculate the electrical energy consumed in Joules if a toaster of 56 W is used 1420 seconds ?

A: Given in question: Power(P) = 56 Watt                                 Time taken(T) = 1420 seconds…

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Q: Compute pressure Force=0.112 N Area 0.3 mm2

A: Pressure is the perpendicular force per unit area. P = F/A  Where, P = pressure F = force A = area

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Q: Question 1 A particle of mass 269 g is attached to a horizontal spring and set into oscillatory…

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

A: Given data:   Power (P) = 2.5 kW = 2500 W   Time (t) = 12 hr = 12*60*60 s

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Q: A 149.6-g sample of a metal at 74.4°C is added to 149.6 g H₂O at 15.4°C. The temperature of the…

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

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

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Q: In a medium with (u, 1,6,= 8) the electric filed intensity is given by E =10 sin(1000t - 10x) ay…

A: See step 2

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Q: The maximum energy gained by the electron represents the maximum lost energy of . - Fallen Futon -…

A: In this question we have to answer which one has the maximum energy. Please give positive feedback…

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Q: To accelerate an object to a rate of 3 m/s², 34 N force is required. Calculate the mass of object?

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Q: Find the mass Force=201 N Acceleration=22 m/s2

A: Given data : Force=F Acceleration=a   Required : Mass

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

Q: hin wires are holding up a 0.5 kg rod while driving a current I = 2 A through the rod, as shown…

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Q: Calculate the electrical energy consumed in Joules if a toaster of 56 W is used 1420 seconds ?

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

Q: A 2250 kg pickup truck has a velocity of 25 m/s to the east. What is the momentum of the truck?

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

Q: A block of mass m = 2.30 kg is dropped from height h = 77.0 cm onto a spring of spring constant k =…

A: Given: m = mass of block = 2.30 kg h = height from which the block is dropped on the spring = 77 cm…

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A: In this question we have to calculate the magnetic field created. Please give positive feedback if…

Q: Compute Impulse Force 12.145 N Time=0.88 s

A: Data provided:  Force (F) = 12.145 N Time (t) = 0.88 s Asked: Impulse (I)

Q: QUESTION 7 A point mass held by the thread revolves around a fixed axis, and the tension of the…

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Q: 6.35 Just before striking the ground, a 2.0-kg mass has 400 J of KE. If friction can be ignored,…

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Q: Calculate the electrical energy consumed in Joules if a toaster of 56 W is used 1420 seconds ?

A: Given value--- power = 56 W. time = 1420 sec. We have to find--- energy ?

Q: Situation 2 (Items 45-46). A body at rest was accelerated, and it traveled for five minutes. The…

A: Since body is at rest at the beginning, initial velocity is zero

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Q: What is the physical principle that makes the frequency constant when the light travels from one…

A: We know the relation; E=hf             (1) where; E - Energy h - Planck's constant f - Frequency

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A: Boyles Law: The volume of a gas at constant temperature varies inversely with the pressure.…

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

Q: An 85 kg mass has an acceleration of 5.5 m/s². What is the net force applied?

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

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Q: An object is placed 20 cm in front of a convex mirror as shown below. What focal length should the…

A: Given  position of object (u)=-20 cm magnification(m) = +0.33 Required focal length (f)=?

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Q: Wile E. Coyote is chasing Roadrunner at 15 m/s when he sees a cliff 50.0 m in front of him. He tries…

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Centripetal Force

A particle, body, object or certain mass while travelling in a rotational path or semicircular path, experiences an inertia force. If that inertia force pulls the towards the inward of the imaginary circle in the rotation, it is termed as centripetal force.