A ball tied to a string is swung around in a horizontal circle. Which one of the following statements regarding the ball's motion is False ?

Q: Three polarizing plates whose planes are parallel are centered on a common axis. The directions of…

A:

Q: What does the EM spectrum tells you?

A: EM spectrum -   electromagnetic spectrum . The EM spectrum is the means by which our universe…

Q: The refractive index of the fibre optics and cladding of endoscopy is 1.923 and 1.412…

A: It is given that, the fiber optics and endoscopic cladding have refractive indices of n1=1.923 and…

Q: A man on a motorcycle plans to make a jump as shown in the figure. go If he leaves the ramp with a…

A:

Q: To verify her suspicion that a rock specimen is hollow, a geologist weighs the specimen in air and…

A:

Q: In the balanced equation, CS₂ + 302 → CO₂ + 2502, how many mols of O2 would produce 44.5 mols of CO2…

A: As we have balance equationCS2 + 3O2 →CO2 + 2SO2

Q: Part A What capacitance, in F, has its potential difference increasing at 1.3x106 V/s when the…

A:

Q: The arrows in the image represent gravitational forces experience by a moon. The size and direction…

A: Gravitational force is a long range force which acts along the libe joining the two objects towards…

Q: You want the final speed at the bottom of your roller coaster hill to be 25 m/s. What is the height…

A: Given data- The final speed at the bottom of roller coaster is, v=25 m/s let us consider height of…

Q: consider two ideal polarizers, P1 and P2, that are oriented perpendicular with each other as shown…

A:

Q: When rebuilding his car's engine, a mechanic must exert 300'N of force to insert a dry steel piston…

A:

Q: hold in your hand a block of material with 3 x 10^ 27 protons, 3.4 x * 30 points 10^27 neutrons,…

A:

Q: 1. A Roller Coaster showing in the picture bellow of mass of M=149 Kg is moving through the 3 hills…

A:

Q: Displacement: Which of the following quantities has units of a displacement? (There could be more…

A: to choose : the choice having the possible units of displacement

Q: If the frequency of a sound source is doubled, what happens to the wavelength? Assume the speed of…

A: Given data:  A sound source  New frequency (f') = 2f Speed of the sound source is constant.…

Q: A 5.00 m–long uniform diving board that weighs 250.0 N is supported by two pillars. One pillar is at…

A: The free-body diagram of the board is shown below.

Q: In laser eye surgery, each laser pulse has power of 70 kW.  The beam focuses on a circle of 0.56 mm…

A: Given data: Power of the laser pulse, P=70 kW=70×103 W Beam focuses on the circle of radius, r=0.56…

Q: Determine the maximum cylinder weights W for which the system is in equilibrium. The coefficient of…

A:

Q: Determine the minimum cylinder weights W for which the system is in equilibrium. The coefficient of…

A:

Q: MY NOTE Use the MOMENTUM vs. TIME graph below to answer the following questions. Let east be the…

A: The momentum versus time graph is given for an object in which the momentum is plotted along y axis…

Q: #7 Three children are riding on the edge of a merry-go-round that is a disk of mass 92 kg, radius…

A: Given, mass of disc, M = 92 kg radius, R = 1.7m  angular velocity , ω1 = 17 rpm Mass of children, m1…

Q: ¹ If the cylinder is initially at a temperature of 7.00 C, how much will the length change when the…

A: Given L=6 m (length of cylinder) r=3 cm (radius of cylinder) α=23×10-6C-1= Linear expansion…

Q: The switch is opened at t = 0 s. At what time has the charge on the capacitor decreased to 13% of…

A:

Q: How much heat transfer occurs to the environment by an electrical power station that uses 1251014 J…

A: efficiency of the machine= 100% heat provided = Qin= 1.25x1014 J heat transferred to the environment…

Q: (a) What focal length must a corrective lens have to enable the eye to see clearly an object 20.7 cm…

A:

Q: A heat engine, which has an efficiency of 15%, does mechanical work at a rate of 11 kW and releases…

A:

Q: Part A Rotational Kinetic Energy: A solid sphere, solid cylinder, and a hollow pipe all have equal…

A: The expression of translational KE is given by KEt = (1/2)mv2  and the expression for rotational KE…

Q: A 80 g, 37-cm-long rod hangs vertically on a frictionless, horizontal axle passing through its…

A:

Q: Two rods and one cable are attached to the supports at O. If two of the forces are as shown,…

A:

Q: Two equal particles of mass at rest  m0   move with speed 0.6C in opposite directions to make an…

A: Given particle masses,=mo  eachinitial velocity, u=0.6c     (moving in opposite direction)

Q: Light produced by a particular laser has a wavelength of 635 nm. What is its frequency? a.…

A: Given data: The wavelength, λ=635 nm                              =635×10-9 m   Using the formula,…

Q: 4. A long straight wire carries a current of D/5 A and a circular loop of wire carries a current of…

A:

Q: A particle of mass m is bound in a one-dimensional well with one impenetrable wall. The potential…

A:

Q: A sphere of matter and a sphere of antimatter (both at rest) can annihilate releasing 0.9· 1030 MeV…

A:

Q: Stetch the Planes (1T01), (1120) and (OTT)

A: The planes are given in the following images  The first two are for hexagonal system i.e (hkil)…

Q: Graphical Analysis: The figure shows a graph of the position x of two cars, C and D, as a function…

A: Given data:  The position vs time graph for two cars C and D Required: The true statements about the…

Q: A certain obiect weighs 200N in air and 150N when immersed in water. Calculate A)Relative density…

A: Given data:   Weight of the object in air (Wair) = 200 N Weight of the object in water (Wwater) =…

Q: The cat is fat. The cat’s fur and the cat’s fat provide the same amount of insulation. How much…

A: Given tha The thickness of the fur is ∆x1=1cm We know that  The thermal resistance is given by  Rθ…

Q: For the calculation, where does '32kBT+12kBT+12kBT+12kBT+12kBT+12kBT+12kBT' come from

A: A linear triatomic gas has three translational degrees of freedom. The contribution for each…

Q: Part A Projectile Motion: A boy throws a rock with an initial velocity of 3.13 m/s at 30.0° above…

A: Given  Angle of projectile,  θ = 30° Initial velocity,  u = 3.13 m/s  Acceleration due to gravity,…

Q: A welder using a tank of volume 8.00×10-2 m³ fills it with oxygen (with a molar mass of 32.0 g/mol)…

A:

Q: 6. The force on an object as a function of position is shown. Determine the amount of work done by…

A:

Q: beam shines through air and then strikes a mirror, making an angle theta 45.1 degrees with respect…

A: Given: θ = 45.10 y= 58.7 cm h = 1.78 cm To Find: value of x Diagram:

Q: Suppose you are using a see-saw with your friend. You have a weight of 600 N and your friend has a…

A:

Q: Using Pascal's Principle: (F/A) in = (F/A) out The input pressure on a hydraulic lift is 1200…

A: Given: Input pressure, P1 = 1200 Pa Output force, F2 = 800 N     To Find: Output surface area, A2 =…

Q: Certain spiral galaxy is 10.6 Mpc away from us. How fast in km/s is this galaxy moving away from us?…

A: Given,  Distance of Galaxy is = 10.6 Mpc The value of Hubble constant = 71 km/s/Mpc We need to…

Q: What is the wavelength in nanometers of a photon generated by an electron going from n = (8.00x10^0)…

A:

Q: How much current must pass through a 400-turn ideal solenoid that is 4.0 cm long to generate a 1.0-T…

A: Given data: Number of turns (N) = 400 Length (L) = 4.0 cm = 0.040 m Magnetic field (B) = 1.0 T μ0 =…

Q: Part A Rotational Kinetic Energy: Suppose a uniform solid sphere of mass M and radius R rolls…

A: Part A   The conservation of energy occurs here. So,  Einitial = Efinal => (PE + KEtranslational…

Q: The left-hand plot shows a sinusoidal wave at t = 0. Take the units of position to be xo. The…

A: General wave equation isy(x,t)=Acos(kx+ωt)                                (1)where A=amplitudek=wave…

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.