Tommy, wha has a mass of 30kg sits 4.0 meters from the center of a merry go round that is rotting with a period of 10 seconds. What is the centripetal force acting on Tommy?

Q: A 96-mH solenoid inductor is wound on a form 0.80 m in length and 0.10 m in diameter. A coil is tigh...

A: Given: Length of solenoid inductor L=0.80 m,            Diameter of the solenoid d= 0.10 m          ...

Q: The electron of the doubly ionised lithium atom is in the first excited state. An incoming photon ex...

A: for doubly ionized lithium atom, Z =3 But we know that the energy of hydrogen atom in the ground sta...

Q: 20.0 cm- -20.0 cm 3. Four current carrying wires are shown in the figure to the right. The current d...

A: Given: The current flows through the wire at (0,0) is I1 = - 5 A The current flows through the wire ...

Q: a = 3 [cm], b = 7 [cm], h = 2 [cm], µr = 700, N = 85 [tur], I = 5 [A]. Calculate the total magnetic ...

A: Given, Length,L=4a=4×3=12cm=12×10-2mNumber of turns,N=85Current,I=5APermeability of free space,μ0=4π...

Q: 7. When an object falls for a long distance, it increases its speed until it reaches terminal veloci...

A: A free-falling object under the Earth’s gravitation gains kinetic energy (ΔKE) that equals the loss ...

Q: The sounds we hear are made up of mechanical waves. The note ‘A’ above the note ‘middle C’ is a soun...

A: Given, f=440Hz phase shift ϕ=0 Amplitude A =1  

Q: 2. A polarized dipole is at rest in an electric field of strength E = 1.78 x 105 N/C as shown. The d...

A: Given, Electric field, E=1.78×105N/C Q=51.9mCq=18.7mCM=19.4mgm=222μgl=55.1μmθ=31.20 r2=l-xcom xcom=...

Q: 8. When a photoelectric surface is illuminated with light of wavelength 537 nm, the stopping potenti...

A: We use the formula for photoelectric effect to get the required.

Q: A horse pulls a cart along a flat road.  Consider the following four forces that arise in this situa...

A: The four forces are :   (1) the force of the horse pulling on the cart     (3) the force of the hors...

Q: A) Imagine an electron is moving from left to right with velocity, v, in a chamber. Inside the chamb...

A: Subpart (A): When any charged particle is subjected to a magnetic field, it experiences a force whic...

Q: ..) The figure shows a vertical force applied tangentially to a uniform cylinder of weight F. The co...

A: Given data: weight of cylinder=Fg, coefficient of static friction between the cylinder and all surfa...

Q: In region, M, directly above the large upper wire the magnetic field would point

A:

Q: based on the fact that charged particles move in circles in uniform magnetic fields. The mass of the...

A:

Q: An owl has good night vision because its eyes can detect a light intensity as small as 5.0 x 10-13 W...

A: Given: Wavelength of light, λ=510 nm,Diameter of pupil, d=8.5 mmIntensity,I=5.0 x 10-13 W/m I=Enet∆A...

Q: The block of 4 kg mass shown is initially at rest on a smooth plane. A force of F = %3D 3t2 + 2t + 4...

A: Given, Mass,m=4kgForce,F=3t2+2t+4NTime,t=2sAngle,θ=600 So, we have to calculate the acceleration, F=...

Q: Verify the numerical relationship between c, the speed of light, and ?0 and ?0, the permeability and...

A: The mathematical equation isc=(ε'×μ')-0.5Where ε'being the absolute permittivity of freespaceand μ' ...

Q: The equation of a plane sound wave is, y(x,t) = 6.0 × 10-6 sin(5.7x – 1500t). Find the frequency, th...

A: GIven the equation of plane sound wave:y(x,t)=(6.0×10-6)sin(5.7x-1500t)let's now compare this equati...

Q: A closed container with constant volume insulated against heat is divided into two compartments by a...

A: Given: Mass of water is m=2 kg. Initial pressure of system is P1=800 kPa. Initial temperature of th...

Q: calculate the degrees of freedom of the block

A: Given data: mass of bob=m spring constant=k length of spring at equilibrium=lo elongation of the spr...

Q: 2 The figure shows two work pieces of steel of 0.3 %C and 1.3 %C with different dimensions. compare ...

A: Given: Two steel pieces with 0.3 % and 1.3 % are given

Q: 2

A: The magnetic field between two conductors carrying currents I1 and I2 having a distance d between th...

Q: A standing wave on a stretched string with a tension force F_T and of length L = 2 m has the followi...

A: Solution: The length of the string is L = 2 m The equation of the standing wave is given as

Q: A stone is thrown from the top of a building and given an initial velocity of 17.0 m/s straight upwa...

A: Given: To find the time and the velocity of the stone and marble as,

Q: Problem 2 Consider the elastic pendulum shown in the figure below. The pendulum con- si sts of a bob...

A: Given, length of string in equilibrium is lo, and mass of bob is m, spring constant is k.  a) So he...

Q: *40 The potential energy of a diatomic molecule (a two-atom system like H, or O2) is given by A B U ...

A: The Potential is given byU = Ar12 - Br6 The Force between the two atoms F=-dUdr  = -12Ar13 + 6Br7 as...

Q: 1. You are standing perfectly still, and then you take a stepforward. Before the step your momentum ...

A: Explanation: 1. If you are standing perfectly still, and then you take a step forward. Before the st...

Q: Two identical waves travel in the same direction, each with a wavelength A = 1 m %3D and speed v = 2...

A: Given: Two identical waves travel in same direction,y1=A sinkx-ωty2=A sinkx-ωtwavelength, λ=1m,Speed...

Q: 10. A child begins to slide down from the top of a frictionless semi circular mound of ice of radius...

A: Given: The radius of semi circular mound of ice is r=5 m. The diagram for the motion of child is s...

Q: How long would it take to a person to melt a 125 cm3cube of ice at 0 oC if he holds the cube in his ...

A: Given data: The volume of the ice cube is V=125 cm3 The heat emitted by the person is P=200 W

Q: Two sinusoidal waves of wavelength A = 2/3 m and amplitude A = 6 cm and differing with their phase c...

A: GIven data:  λ=23mA=6cmv=50m/s The frequency of the wave is given by: f=vλ=5023=75Hz Finding the ang...

Q: Let a mass of 3.0 kg be standing still and a secondmass of 5.0 kg come along and hit it with velocit...

A: Solution:   a) The diagram describes the situation before the collision is shown as:  

Q: The figure below shows an electrical dipole inside a uniform electrical field with a module equal to...

A: Given: The uniform electric field is 5.0×105 NC. The charge on the dipole is ±1.6×10-19 C. The dista...

Q: A disk of mass M and radius R rolls without slipping down a fixed inclined plane that makes an angle...

A: a) Given, mass of disk is M, radius of disk is R and length of inclined plane is L, then  here only ...

Q: Suppose you have an infinitely long cylindrical current carrying wire with radius a=19cm. The curren...

A: Given: radius a=19cmcurrent density J=cr2a2c=7A/m2

Q: a) First order special relativity corrections to the energy levels of a one dimensional harmonic osc...

A: First order special relativity correction to the energy is given by Er=-12mc2[E2-2E<V>+<V2&...

Q: Two blocks of masses my and my approach each other on a horizontal table with the same constant spee...

A: Two blocks of masses m1 and m2 approach each other on a horizontal table with same constant speed v0...

Q: (a) A positron has 1500 eV of kinetic energy. Calculate its speed in meters per second. (b) Suppose ...

A: Note :- Since we only answer up to 3 sub-parts, we’ll answer the first 3. Please resubmit the questi...

Q: Problem 3 A hoop of mass m and radius R, rolls without slipping down an inclined plane of angle a. T...

A: As we already know that moment of inertia is said to be as mass of the body , when a body is rotatin...

Q: Explore It! Part 1 SCIENCE What do you think it means for forces to be balanced? Drag and drop ALL t...

A: Explanation: Forces are said to be balanced forces that are opposite in direction and equal in magni...

Q: Evaporation of sweat is an important mechanism for temperature controlin some warm-blooded animals. ...

A:

Q: What is the power of the mountain climber if he scales the mountain in 60 seconds?

A: Given,  time taken by the mountain climber is, t = 60 s let the mass of mountain climber is m and an...

Q: Is it possible to cancel the net force on green particle by placing another particle? If yes, where ...

A: The net force in given figure can be calculated and the direction of net force will be in between bo...

Q: Explain the function of the sliding part of a trombone

A: Given:-           The function of the sliding part of a trombone is the variation of length of the v...

Q: The reaction below shows an interaction between a quark and a lepton. The X represents an unknown pa...

A: a. the answer to this part of the question depends on the type of quark given "d", (its type is not ...

Q: a = 3 [cm], b = 7 [cm], h = 2 [cm], µr = 700, N = 85 [tur], I = 5 [A]. Calculate the total magnetic ...

A: Given, a=3 cmb=7 cmh=2 cmμr=700N=85 I=5 A

Q: Waves The two graphs below show a wave's displacement vs. distance at a single moment in time, and t...

A: The formula to calculate the velocity of the wave is given by v=fλ......................(1) Here, v ...

Q: Hi please help: a bubble with original volume 2.5 cm^3 rises from the bottom of a lake to the surfac...

A: When the bubble is at the bottom of the lake, the total volume of the bubble is filled with the orig...

Q: Solve question-1 which is in the picture

A: Here, we look at the phenomenon of interference

Q: Give 2 problems with solution about Rayleigh-Jeans Law

A: Ques: Determine total spectral radiance of a radiator using the Rayleigh-Jeans law for its emission ...

Q: A is taying to decide which to vse ,to keep her paticals leg to cable-pilley syalem in place, She wa...

A: In the first case the tension on each of the segment of the string is as drawn below,  As can be se...