Start your trial now! First week only $4.99!*arrow_forward*

Question

Two wave pulses travel on a string. Wave pulse A displaces the string by +3 cm at x = 8 m. Wave pulse B displaces the string by +2 cm at x = 8 m. If both wave pulses reach x = 8 m at the same time, how much is the string displaced?

Tagged in

Science

Physics

Find answers to questions asked by students like you.

Q: 13.

A: Let the two bodies are electrically neutral before rubbing. Let q1 be the charge accumulated on firs...

Q: Suppose that a 1000 kg car is traveling at 25 m/s (55 mph). It brakes and slides across the road wit...

A: The Quantitative force diagram is given below.

Q: David is getting ready to take down the mighty Goliath. David ties a 583 g rock to a rope that is 2....

A: Given:Mass of the rock = 583 gLength of the rope = 2.3 mInclination of rope below the horizontal = 5...

Q: One charge of 2.0 C is 1.5m away from a –3.0 C charge. Determine the forcethey exert on each other.a...

A: We have q1 = 2C, q2 = – 3C and r = 1.5 m.

Q: ST.8 Imagine that an external force of 100 N must be applied to keep a bicycle and rider moving at a...

A: Given,

Q: A light, inextensible cord passes over a light, frictionless pulley with a radius of 11 cm. It has a...

A: The free body diagram of the two masses is given below.

Q: Need help on a review question

A: the work done is equal to the change in kinetic energy,the work done is,

Q: Calculate the magnitude of the linear momentum for the following cases. (a) a proton with mass 1.67 ...

A: All the given speeds are small compared to the speed of light so that non-relativistic equation for ...

Q: An initially 'un-compressed' spring (x1=0) is observed to compress 0.4 m before stopping and reversi...

A: Click to see the answer

Q: Four forces act on an object, given by A = 49.3 N east, B = 47.3 N north, C = 90.7 N west, and D = 9...

A: The net force on the object along the x-axis can be calculated as,

Q: A robotic explorer on Mars deploys a simple pendulum that is one meter long. The explorer determines...

A: Click to see the answer

Q: A cylinder of radius 1.84 cm1.84 cm and a spherical shell of radius 9.47 cm9.47 cm are rolling witho...

A: Total kinetic energy of the rolling cylinder is,

Q: Calculate the angular velocity of the Earth in its orbit around the Sun. Express your answer using t...

A: a) The Earth takes 365 days to complete one trip around the Sun that is, 2π radians.Write the formul...

Q: Section 1O 1. A girl walks 60. m due south, then 100. m due east, then 150. m due north. (a) What is...

A: Given:A girl walks, 60 m due south, 100 m due east, and 150 m due north.

Q: A. Stay the same. Glass is tightly against the cardboard. ...

A: The light bulb is an example of a point source.The ray diagram of the arrangement when the glass is ...

Q: Newton’s 2nd Law stipulates that “the sum of all forces acting on an object are equal to the mass ti...

A: Given information:The mass of the smiley face (m) = 12.6 kg

Q: Heat is defined as energy that is moving from one place to another as a consequence of a temperature...

A: The internal energy may be increased by transferring energy to the object from a higher temperature ...

Q: In the Bohr model of the hydrogen atom,the speed of the electron is approximately2.15 × 106 m/s.Find...

A: The speed of the electron,The radius of a circular orbit,Electron mass,

Q: You drop your phone while visiting the Grand Canyon. If it took 18.7s before it hit the ground, how ...

A: Given:Final velocity of the phone = 0Acceleration of the phone = g = 9.8 m/s2Time taken by phone to ...

Q: What is the period for a simple pendulum of length 2m when loaded with a 3kg mass? When loaded with ...

A: Given,

Q: How much energy is required to lift a 10 kg rock from the surface of the Earth and place it in a cir...

A: Click to see the answer

Q: 15.PMMA oly methyLmethacrylak)IS a transparent themoplastic Itis used as carematenal as fiber ophes,...

A: Given information:Refractive index of the PMMA (n1) = 1.49General information:Refractive index if ai...

Q: A 20.0-kg block is initially at rest on a horizontal surface. A horizontal force of 80.0 N is requir...

A: (a) The coefficient of static friction between the block and the surface is

Q: (Multiple choice) When nerve cells carry a signal from your hand to your brain, how is the signal pr...

A: When the membrane is at neutral state, the resting potential is negative due to the presence of more...

Q: Draw a vector that represents a displacement of 40 miles east. Then, from that point, draw one that ...

A: Let us draw the figure:

Q: You want to use a rope to pull a 11-kg box of books up a plane inclined 30∘ above the horizontal. Th...

A: The mass of the object,Inclined angle,Coefficient of kinetic friction,

Q: A brick of mass m = 78 kg slides along a horizontal surface. The coefficient of friction between the...

A: Since the brick has an initial speed in the positive x – direction, Therefore, the frictional force ...

Q: A woman at an airport is towing her 15.0 kg suitcase at constant speed by pulling on a strap at an a...

A: Given values:Weight of the suitcase, m = 15 kgForce on the strap, F = 38.5 NFriction force on the su...

Q: a) Outline the 2 ideas Planck put forward to explain the black body radiation.b) Explain the concept...

A: (a) the wave theory of light explains the interference and diffraction relating to the propagation o...

Q: The drawing shows a rectangular peice of wood. The forces applied to corners B and D have the same m...

A: Given,The length of the shortest side is ‘L’.The length of the longest side is ‘2L’.Let the third fo...

Q: you are driving down the road and are speeding. You apply the brakes on your car until you slow down...

A: Impulse is given by,

Q: At t = 0, a particle leaves the origin with a velocity of 9.0 m/s in the positive ydirection and mov...

A: The equation of motion is given by,

Q: A freight train has a mass of 1.1 ✕ 107 kg. If the locomotive can exert a constant pull of 7.6 ✕ 105...

A: From Newton’s second law of motion.

Q: Concave mirror Experiment object height = 0.60m object distance = 3.00cm Radius of curvature = 4.0...

A: The relation between image distance, object distance and magnification (m) is:

Q: A person exerts a horizontal force of 80 N on the end of a door 78 cmwide. What is the magnitude of ...

A: (a) The torque is given by

Q: 28.63 Two long, straight, parallel wires are 1.00 m apart (Figure P28.63). The wire on the left...

A: The magnitude and direction of B at point P,

Q: Everyone's favorite flying sport disk can be approximated as the combination of a thin outer hoop an...

A: Click to see the answer

Q: Three vectors 13 of 15 Review | Constants Part A Consider three vectors A,B and C all lying in the y...

A: Click to see the answer

Q: Number 2. I need also the free body diagram for that question.

A: Coefficient of the static friction,The acceleration due to gravity,Radius of the curve road,

Q: A Federation starship ( 2.10×106 kg ) uses its tractor beam to pull a shuttlecraft ( 2.10×104 kg ) a...

A: Given information:Mass of the shuttle craft (ms) = 2.10 × 104 kgMass of the Federation ship (mf) = 2...

Q: A sort of "projectile launcher" is shown in (Figure 1). A large current moves in a closed loop compo...

A: Given that,The length of the bar L = 30 cm= (30 cm)(10^-2 m/cm)= 0.30 mThe mass of the bar m = 1.5 g...

Q: I need help on that

A: Given values:F = 200 Nm = 30.0 kgthe coefficient of kinetic friction between the crate and the surfa...

Q: A ball of mass 0.140 kg is dropped from rest from a height of 1.25 m. It rebounds from the floor to ...

A: The speed of the ball before and after bounce is,

Q: Find the current through each of the three resistors of the circuit show in the picture. The emf sou...

A: Click to see the answer

Q: (b) What torque must be applied to this object to give it an angular acceleration of 1.30 rad/s2 if ...

A: Torque is,

Q: Block 1 with mass m1=4.68 kg rests on a horizontal ledge with negligible friction. This block is the...

A: Using conservation of energy,

Q: i need help with these two questions!

A: Given:Mass of block 1, m1 = 10.3 kgMass of the block 2, m2 = 3.9 kgCoefficient of static friction = ...

Q: A baseball bat balances 61.1 cm from one end. If a 0.600 kg glove is attached to that end, the balan...

A: Consider the situation in the diagram given below.

Q: Puffy cumulus clouds, which are made of water droplets, occur at lower altitudes in the atmosphere. ...

A: Given,For altitude less than 11 Km temperature is given as,

Q: What is the total translational kinetic energy of the air in an empty room that has dimensions 9.00m...

A: Given,