The ball B shown in the figure has a mass of 1.5 kg and is suspended from the ceiling by a 1 m long elastic cord. If the cord is stretched downward 0.25 m and the ball is released from rest, determine how far the cord stretches after the ball rebounds from the ceiling. The stiffness of the cord is k = 800 N/m and the coefficient of restitution between the ball and ceiling is e = 0.8. The ball makes a central impact with the ceiling

Q: What is the angular momentum of the earth about its own axis, due to its daily rotation? Assume that…

A: When we assume earth as hoop and it rotates about its central axis, the moment of inertia is given…

Q: Rank the speeds of sound through these materials, from greatest to least. Explain it. a. Air  b.…

A: Required: The speeds of the sound through air, steel and water in decreasing order

Q: 4 (a) r = 1.50 m magnitude direction (b) r= 2.20 m magnitude direction b 9 -Select- (c) r= 2.50 m…

A: given data  q=-1.60 nC Q = 3.80 nC  a=1.60 m b=2.40 m (a) electric field at 1.50 m is r<aE=Kqr2…

Q: To clean a rug, you can hang it from a clothesline and beat itwith a tennis racket. Use Newton’s…

A: Any object with non-zero mass has inertia. Inertia is the tendency of object to resist its state of…

Q: One end of a nylon rope is tied to a stationary support at the top of a vertical mine shaft of depth…

A:

Q: An 85.0-cm-wide door is pushed open with a force of F=90.0 N. Calculate the torque about an axis…

A:

Q: Manually train a linear function he (x) = 0x based on the following aining instances using…

A: First of all we have to write Gradient Descent algorithm. Here I'm choosing python language because…

Q: What discoveries of Galileo helped confirm the views of Copernicus, and how did they  do so?

A: Galileo Observed that Jupitor had moons in its orbit. These moons could not exist if Aristole's…

Q: Consider motion in one dimension. Which of the following is always true? a.) The average velocity…

A: Solution:-

Q: A playground merry-go-round of radius R = 1.20 m has a moment of inertia I = 245 kg · m2 and is…

A:

Q: A charge q=-1.6x10-19 C is placed in an electric field of 3x10' N/C. Find the magnitude of the…

A: Given data:  Charge (q) = -1.6×10-19 C Electric field (E) = 3×105 N/C Required: The magnitude of the…

Q: The graph shows the heating curve of an unknown substance. C Temperature (°C) D 70 60 50 9 30 20 10…

A: The given curve is a Heating curve for an unknown substance, Heating curve is line curve that gives…

Q: sinusodial water waves are generated in a large ripple tank. the waves travel at 20cm/s and their…

A:

Q: Use Newton’s law of gravity to calculate the force of gravity between you and Earth. Convert your…

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

Q: As shown in the figure, the charge Q is midway between two other charges. If q1=+12 nC, q2= +2 nC,…

A:

Q: Consider the circuit shown below. (Assume & = 9.00 V, R₁ = 1.70 2, R₂ = 4.20, R3 = 5.90, and R4 =…

A:

Q: What is the total energy stored in the 10 pH and 60 μH inductors if a current of 2 Amps flows…

A:

Q: Find the net electric flux through the spherical closed surface shown in the figure below. The two…

A:

Q: Find the electric flux through the surface in the figure below. Assume all charges in the shaded…

A: Given data: The surface contains 3 changes inside it q1 = - 3C q2 = 2 C and q3 = -5C And three…

Q: At the low point in its swing, a pendulum bob with a mass of 200g has a velocity of 5m/s. How high…

A: Given data:  A pendulum Bob At the low point of the swing  Mass (m) = 200 g = 0.200 kg Velocity (v)…

Q: A ball with mass of 300 g is held on top of a vertical spring that has been compressed by 10 cm. The…

A: mass of ball (m) = 0.3 kg compression (d) = 0.10 m natural length (L) = 0.5 m spring constant (k) =…

Q: 2.) Is the total concentration of current carriers (free electrons and holes) in a semicon- ductor…

A:

Q: Vecor A has a magnitude of 10 units and makes an angle of 30 degrees with the positive x-axis.…

A: Given data :- A→ = 10 units, θ1 = 30°  (angle made by A→ with +ve x-axis)B→ = 25 units, θ2 = 50°…

Q: a mass m, with m = 10 kg, is attached to a spring with spring constant K = 100 N/m. The motion of…

A:

Q: -) Problem 9: On a one lane road, a person driving a car at v₁ = 55 mi/h suddenly notices a truck d…

A: Given that, the initial velocity of the car is v1=55mi/h the velocity of the truck is v2=37mi/h the…

Q: A roller coaster car crosses the top of a circular loop-the-loop at thrice the critical speed. What…

A: Given:-  A roller coaster car crosses the top of a circular loop-the-loop at thrice the critical…

Q: If 2,637 joules of energy were used in 0.1 second, how many kilowatts of power were used? Your…

A: Given data:  Energy (E) = 2637 J Time (t)= 0.1 s Required: Power (P) in kW

Q: warehouse worker exerts a constant horizontal force of magnitude 86.0 N on a 40.0 kg box that is…

A:

Q: A 1.5-kg box is released from rest on a frictionless surface that is sloped at θ = 35◦ above the…

A:

Q: A thermometer, reading 5°C, is brought into a room whose temperature is 22°C. One minute later the…

A: Given : Thermometer reading = 5° C Room temperature = 22° C One minute later thermometer reading is…

Q: At the bow of a ship on a stormy sea, a crewman conducts an experiment by standing on a bathroom…

A:

Q: Find the value of the constant a. Find the value of the constant b.

A:

Q: Consider a series RC circuit as in the figure below for which R = 6.50 MQ, C = 6.70 μF, and E = 25.5…

A:

Q: Two objects collide head-on (see figure below). The first object is moving with an initial speed of…

A: Given:-  The first object is moving with an initial speed of  v1i = 7.94 m/s  and the second object…

Q: A 7.45-nC charge is located 1.75 m from a 3.90-nC point charge. (a) Find the magnitude of the…

A: Given that, The charges are q1=7.45nC=7.45×10-9Cq2=3.90nC=3.90×10-9C And the separation between them…

Q: The kinetic energy of a motorcycle and driver is 65,662 J. If their total mass is 500 kg, what is…

A:

Q: The 1.0 kg block in (Figure 1) is tied to the wall with a rope. It sits on top of the 2.0 kg block.…

A: Given: The mass of the upper block is m1 = 1 kg The mass of the lower block is m2 = 2 kg The force…

Q: Based on our study of Physics this year, answer the following questions and show work where…

A:

Q: A cart filled with sand rolls at a speed of vcart = 1.4 m/s along a horizontal path without…

A: The incident is perfect example of inelastic collision. if two masses of M1 and M2 with their…

Q: A long straight wire carries current I = 5.00 A toward the top of the page. A small object with…

A: Given that, the current flowing through the wire (toward the top of the page) is i=5A the charge of…

Q: Two blocks, of weights 2.0 N and 5.4 N, are connected by a massless string and slide down a 33°…

A:

Q: Rigid rods of negligible mass lying along the y axis connect three particles. The system rotates…

A:

Q: What is the difference in sound levels of two sounds having intensities of 10 and 500 µW/cm^2? A. 13…

A:

Q: Suppose you jump from the cliffs of Acapulco and perform aperfect swan dive. As you fall, you exert…

A:

Q: A nervous physicist worries that the two metal shelves of his wood frame bookcase might obtain a…

A:

Q: Calculate the work done by moving against a force F = -xkx-kyŷ (k-constant) along the routes below:…

A: Given:  F→ = -kxi^-kyj^Route 1 = 1,1→4,1→4,4Route 2 = 1,1→4,4

Q: 1. A single strand of wire of adjustable length is wound around the circumference of a round balloon…

A:

Q: 2. A particle moves so in a straight line according to the equation S=t^3 + at^2+bt. If the initial…

A:

Q: 9. Wave A has a wavelength of 4.0 cm and an amplitude of 1.5 cm. Wave B has a wavelength of 2.0 cm…

A:

Q: 12. A rescue airplane is rising at an angle of 30° above the horizontal with a speed of 300 m/s. It…

A:

Static and Kinetic Friction

Kinetic friction comes into existence when there are moving surfaces means in other words we can say that the force which comes into existing between moving surfaces is known as kinetic friction.