Object of dropped from the height of 40 m . Find the velocity of the object just before it hit the ground ?

Q: A proton (m =167 x 102 kg) is placed a distance y above a long horizontal wire of linear charge dens...

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Q: Three point charges are located along the x-axis. Point Q1=3.5×10^-6 C at x=0, point Q2=8.5×10^-6 C ...

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Q: Problem 2 A 50-g mass on the end of a horizontal spring (k = 100 N/m) is moving at a speed of 2 m/s ...

A: Write the given data. m=50 g=0.050 kgk=100 N/mv=2 m/sx=0.024 m

Q: A thin wire of length L has a uniform charge density A. The wire is bent into a semicircle with its ...

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Q: A sphere of mass 4.4 × 10-4 kg is suspended from a cord. A steady horizontal breeze pushes the spher...

A: Write the given values with the suitable variables. m=4.4×10-4 kgθ=28° Here, m is the mass and θ is ...

Q: What is the electric field at a point 0.200 m to the right of a +1.50*10^-8 C charge? Include a + or...

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Q: Consider the RC filter circuit to the right. a) What are VR and Vc if the emf frequency is 10 kHz? b...

A: Given  Resistance, R = 150 ohm  Capacitance, C = 80 nF  Voltage, V(t) = (10 V )cos(wt)   Frequency, ...

Q: A stone is thrown straight up from the edge of a roof, 850 feet above the ground, at a speed of 14 t...

A: GivenInitial height of stone=Height of roof from ground ,so=850 ftInitial speed of stone ,u=14 ft/s

Q: In the diagram, q1 = +6.60*10^-9 C and q2 = +3.10*10^-9°C. Find the magnitude of the total electric ...

A: Given  Charges  Q1 = + 6.60×10-9 C  Q2 = + 3.10×10-9 C  Distance R1 = 0.350 m  R2 = 0.155 m  Electri...

Q: A spring whose natural length is 10cm exerts a force of 27N when stretched to a length of 16cm. (a) ...

A: Given: The applied force is 27 N. The natural length of the spring is 10 cm. The stretching in sprin...

Q: A+15 nC point charge is placed on the x axis at x= 1.5 m, and a -20 nC charge is placed on the y axi...

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Q: In the methane molecule, CH4, each hydrogen atom is at the corner of a regular tetrahedron with the ...

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Q: An electric kettle was marked 500 Watt, 230 volt and was found to bring one kg of water at 15 degree...

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Q: Question: Find the binding energy (in MeV) for lithium Li. Select one: O 39.25 MeV O 32.95 MeV O 32....

A: Binding energy of lithium, 37Li

Q: 6. Green turtles use the earth’s magnetic field to navigate. They seem to use the field to tell them...

A: A static charge has a field around it which is called an electric field. However, if the electric fi...

Q: Two capacitors of 2.0 and 4.0 mF are connected in parallel. This group is connected in series with a...

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

Q: What Componen Of a vector with magnitude 1s and divection GO? The choices below are in the format (x...

A: Correct option is (4) i e  ( 7.5 ,13) 

Q: With a pressure of 1.5 atm, a piston pushes in on the gas in a cylinder, compressing it from 5.1 L t...

A: Write the given values with the suitable variables. P=1.5 atm=1.5×1.01325×105 Pa=1.52×105 PaV1=5.1 L...

Q: 3. Which of the following statements about a pure resistor carrying an A.C is TRUE? A. The current a...

A: For resistors in AC circuits the direction of the current flowing through them has no effect on the ...

Q: A ball is thrown into the air with an initial velocity of 64 feet per second from a height of 336 fe...

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Q: A skier of mass 70 kg is pulled up a slope by a motordriven cable. (a) How  much work is required to...

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Q: A needle placed 45 cm from a lens forms an image on a screen placed 90 cm on the other side of the l...

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Q: An airplane travels 200 km, 30 degrees NE. It changes its course by moving 100 km north before reach...

A: We will divide the distances travelled into components in the X and Y axes. Then we will equate the ...

Q: An electric heating element to dissipate 480 W on 240 V mains is to be made from nichrome ribbon 1 m...

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Q: Three protons are each located at the corners of an equilateral triangle as shown. One other proton ...

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Q: A particle (mass 6.7x 10 kg charge= +3.2 x 10" C) moves along the positive a speed of 48 x 10 m/s. I...

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Q: 3. Closed system (non-flow system)is (a) A system that does not interchange mass with the surroundin...

A: (3) In this problem, it is asking what can be transferred in closed system.

Q: Miss Jane drove her from her home to a friend's house 150 miles away and returned again on the strai...

A: Let the speed on the outgoing trip be v mph. The speed on the return trip is (v+10) mph. The total t...

Q: Explain what is electromagnetic induction, and use it to illustrate the working principle of an indu...

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Q: 1. Compute for the number of images produced by a 2 separate mirrors at an angle of 90 & 80 degrees ...

A: For calculating the number of images when (360/Angle) is a fraction, we have to consider the Integer...

Q: A polyethylene slab of thickness d= 0.3 mm and of dielectric constant K = 2.3 is inserted between tw...

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Q: A charge of 40 pC is distributed on an isolated spherical conductor that has a 4.0-cm radius. Point ...

A: Given: The charge that is distributed on the isolated spherical conductor: q = 40 pC; The radius of...

Q: A bullet leaves a riffle with a muzzle velocity of 521m/s. While accelerating through the barrel of ...

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Q: When a 400 v battery is placed across two resistors in parallel, the current drown from the battery ...

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Q: Determine the equivalent capacitance of the combination shown when C = 25 mF. %3D 20 12 mF 24 mF 75 ...

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Q: A microwave can produce an electromagnetic wave with a peak Electric field magnitude of 3x103 V/m. ...

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Q: Find the pressure on the roof of the Empire State Building (381 m). Assune: Pressure decreases about...

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Q: The 3 nails in the figure can withstand an average shear stress of 40 MPa. Determine the shear stren...

A: Write the given values with the suitable variables. τ=40 MPa=40×106 Par=4 mm=4×10-3 m Here, τ and r ...

Q: Put these in order from smallest to largest Universe Galaxy Solar system Distance between earth and ...

A: Here we arrange these things on the bases of their size in increasing order.

Q: An infinite conducting cylinder has a radius of 7.0 cm. If the magnitude of the electric field 11.0 ...

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Q: The range of visible light (the light detected by the human eye) is usually denoted as 380nm to 700n...

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Q: At a corner of a 30 mm x 40 mm rectangle is placed a charge of -40µC and at the two adjacent corners...

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Q: The flat surface shown is submerged vertically in water. Find the fluid force against the surface. T...

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Q: 17. Two wires of equal length, one of aluminium and the other of iron, have the same resistance. Whi...

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Q: Charges q (+40 pC) and Q(-30 pC) are placed on the x axis at x= 0 and x= 20m, respectively Determine...

A: Charge +q=40pC=40*10-12 C is placed at x=0 charge Q=-30pC=-30*10-12 C is placed at x=2m sphere is pl...

Q: The position of a particle moving along the x axis is given in centimeters by x = 9.41 + 1.59 t3, wh...

A: Given value--- position of a particle moving along the x axis is given in centimeters by x = 9.41 +...

Q: For every four seconds, 8.72E10^19 e- move past a given point in a circuit. How long would it take f...

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Q: llame= Pe In each case, determine the direction of the force, on a positive charge when entering a u...

A: FB=qv×B

Q: A 36.0-mH inductor is connected to a North American electrical outlet (AVms 120 V, f = 60.0 Hz). Ass...

A: Given value--- L = 36 mH. Vrms = 120 V. frequency = 120 Hz. time t = 1/170  sec. We have to find--...

Q: A square has a side of length L = 0.75 m. An observer O is stationed at one corner. Two loudspeakers...

A: Given, Length=0.75m Speed of sound=343m/s

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.