. A pencil standing upright on its eraser end falls over and lands on a table. As the pencil falls, its eraser does not slip. The following questions refer to the contact force exerted on the pencil by the table. Let the positive x direction be in the direction the pencil falls, and the positive y direction be vertically upward. (a) During the pencil’s fall, is the x component of the contact force positive, negative, or zero? Explain. (b) Is the y component of the contact force greater than, less than, or equal to the weight of the pencil? Explain and labled the problem.

Q: illuminates these slits, and the distance between the slit and the screen is 2.00 m. What is the…

A: Distance between slits = d = 1.5 * 10-5 m Wave length = 600 n m Distance between slits to screen = R…

Q: ind the net capacitance (in µF) of the combination of series and parallel capacitors shown below.…

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Q: Two forces, F₁ and F₂, act at a point. The magnitude of F₁ is 9.50 N, and its direction is an angle…

A: Given value--- F1 = 9.50 N, 60 degree with negative X axis. F2 = 5 N , 52.1 degree with negative X…

Q: For a short time the bucket of the backhoe traces the path of the cardioid r = 7.5(1 cose) m.…

A: Given  r = 7.5×(1-cosθ) θ = 120° ω = 2 rad/s α = 0.2 rad/s2

Q: Find the center of mass of a unit hemisphere if the density at a point is proportional to the square…

A: We are considering a solid hemisphere of mass M and has the radius R. The centre of mass will…

Q: A 4.50kg clock is attached to a spring which has a spring constant of 935 newtons per meter. At time…

A: Given data:  Mass (m) = 4.50 kg Spring constant (k) = 935 N/m Position from equilibrium (x) = 0.125…

Q: A bullet with a mass of 4.0 g and a speed of 650 m/s is fired at a block of wood with a mass of…

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Q: A refrigerator is at rest on a level floor. Attempting to slide it across the floor, you exert a…

A:

Q: 16 In the diagram, a flowerpot of mass m kg is hung from a ceiling by two chains. Let the tensions…

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Q: Determine the binding energy and mass defect of Boron nuclide (A = 11, Z = 5). Note:  mass of…

A:

Q: QUESTION: Two resistors of 10.0 Ω and 6.9 Ω connected in series are put across a 9 V power supply.…

A: The resistance is R1=10 Ω The resistance is R2=6.9 Ω The voltage is v=9 V

Q: The period of vibration is? O a. The length of the wave cycle O b. The amount of energy in a wave c.…

A: Required: The period of the vibration

Q: The area of each plate of a parallel plate capacitor is 0.036 m². The plates are 2.75 mm apart with…

A:

Q: has mass 3M and radius R, while Planet 2 has mass 4M and radius 2R. They are separated by…

A: Solution

Q: A 140 g mass is connected to a light spring of force constant 4.00 N/m and is free to oscillate on a…

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Q: A thin film of oil (n= 1.42) and of thickness 83 nm is floating on water (n=1.33). What is the…

A:

Q: Solve: (Include: Free Body Diagram, Show ALL YOUR WORK, and Circle the final Answer) (Use 10m/s/s…

A: Given, mass of the bucket, m = 2.0 kg acceleration upwards , a = 1.5 m/s2gravitational acceleration…

Q: 1.010cm^3/g convert to m^3/Kg

A: According to question we need to convert of given quantity.

Q: Please show the solutions answers for number 2

A:

Q: (a) Calculate the ionisation energy, in eV. for the hydrogen atom. (b) Calculate the frequency of a…

A: The energy levels of the Hydrogen atom

Q: The figure shows a horizontal beam of mass M = 59.9 kg and length L = 6.2 m supported at its left…

A:

Q: A 92-kg astronaut and a 1200-kg satellite are at rest relative to the space shuttle. The astronaut…

A: Given data, Mass of the astronaut m=92 kg Mass of the satellite M=1200 kg Speed of the satellite…

Q: D) - 1.08 E) Zero 03: A uniformly charged insulating rod of length 6 cm is bent into the shape of a…

A: Given value--- length of rod = 6 pi cm. total charge = 6 nC. We have to find--- The electric…

Q: From the choices below, choose the surface that could produce this force. Multiple Choice:

A:

Q: Show that time/mass=distance (sec/kg=meter)

A: time/mass is not equal to distance In fact mass, time and length are fundamental quantities and…

Q: 26.The graph below shows the velocity of a race car moving along a straight line as a function of…

A: Given data:  Velocity vs time graph Required: The magnitude of the displacement from t=2.0s to…

Q: How much potential energy does a person of mass 90 kg have if they are standing at the top of a…

A:

Q: Two 0.56-kg basketballs, each with a radius of 15 cm, are just touching. Part A How much energy is…

A: Given,  Mass = 0.56 kg Radius = 15cm We need to calculate the energy =?

Q: avel specific distances. They plot their data as a position vs time graph: Position (m) Time (s)…

A: Let's check each option one by one 1. The car was moving backward at constant speed. Correct option…

Q: A student walks to the right, 24.0m along a hallway in 8.9s. the student turns around and walks 9.0m…

A:

Q: 3. A plane radio wave has Em-10-4 V/m. Calculate a) Bm and b) the intensity of the wave, as measured…

A: Given value--- Em = 10-4 V/m We have to find--- Bm ? intensity of wave ?

Q: An object is undergoing simple harmonic motion with an amplitude of 4.00 centimeters. At time t = 0…

A: GivenA=4 cmx=-1 cm            at t=0;

Q: infrared photon is absorbed by a hydrogen atom. A transition in which spectra series could account…

A:

Q: At a certain race over a distance of 100 m, here is the position function of one of the contestants:…

A:

Q: 0.07-kg bullet is fired horizontally at a speed of 450.0 m/s and strikes a 7.0-kg block of wood…

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Q: Problem 3: Assume 0.500 moles of an ideal monoatomic gas in a container of fixed volume of 1.00×10-³…

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Q: Which of the following statements about lasers is correct? Choose all that apply   Question 18…

A: The light from laser have light of single wavelength. Means monochromatic. All light in laser are in…

Q: 10. A 40 loop square coil 0.1 2 m on a side is positioned in a 0.060 T magnetic field. A 0.20 kg…

A: Given data-  Number of N=40 Side length L=0.12 m  Magnitude of magnetic field B=0.060 T  Mass…

Q: A porcelain frog dropped from rest breaks into three pieces and scatters along the floor.…

A:

Q: A thin hoop has a mass of 8.25kg and a radius of 0.750m. It rolls (without slipping) down a ramp…

A: Given value--- mass = 8.25 kg. radius = 0.75 m. vertical height = 0.75 m. We have to find--- what…

Q: A gas follows the PV diagram in the figure below. Find the work done on the gas along the paths AB,…

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Q: Is −(4x − y)ˆx + (2y + x)ˆy − 3ˆz  a conservative force?

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Q: A given star is a sphere with a radius of 5.42x10 m and an average surface temperature of 5190 K.…

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Q: A coordinate system (in meters) is constructed on the surface of a pool table, and three objects are…

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Q: a) How rapidly does the distance between you and your mirror image decrease if you walk directly…

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Q: The power output of the Sun is 4 × 1026 W.  Part (a)  If 88 % of this is supplied by the…

A:

Q: A crane slowly lifts a 215 - kg crate a vertical distance of 19 m. V mg F W crane (a) How much work…

A: Given data:  Mass (m) = 215 kg Vertical distance (h) = 19 m Required: The work done by crane,…

Q: A sticky wad of clay with mass m is thrown at a block of mass M, initially at rest on a frictionless…

A: Given: The mass of the clay is m = 19 g. The mass of the block is M = 2.1 kg. The initial speed of…

Q: Learning Goal: To find some of the parameters characterizing an object moving in a circular orbit.…

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Q: What is the coefficient of kinetic friction between the cart and the road? Numeric: A numeric value…

A: Given value--- Mass = 500 kg. horizontal component of tension = 2622 N. vertical component of…

Electric Charges and Fields

One of the fundamental properties is the electromagnetic property. Charge cannot be destroyed by any process and this contributes formally to the law of charge conservation.