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Q1. If one end of a heavy rope is attached to a light rope and wave is sent down the heavy rope. What would happen to the frequency, speed and wavelength as it changes to the light rope?
Q2. An automobile club plans to race a 780 kg car at the local racetrack. The car needs to be able to travel around several 170 m radius curves at 85 km/h. What must the banking angle of the curves be so that the force of the pavement on the tires of the car is in the normal direction? (Hint: What does this requirement tell you about the frictional force?)
question1an unpolarized beam of light is sent into a stack of four polarizing sheets oriented so that the angle between
A 220, 45.0-cm-diameter turntable rotates on frictionless bearings at 55. A 21.0 block sits at the center of the turntable. A compressed spring shoots block radically outward along a frictionless groove in the surface of the turntable.
A large man sits on a 4-legged chair with his feet off the floor. The combined mass of the man and chair is 95.0 kg.what pressure does each leg exert on the floor
An airplane takes off and flies 240km on a course of 35 degrees north of west, find the displacement from its starting point to its landing point
A dipole is located at the origin, and is composed of charged particles with charge +e and -e, separated by a distance 3 10-10 m along the y axis. The +e charge is on the -y axis.
A string trimmer is a tool for cutting grass and weeds; it utilizes a length of nylon "string" that rotates about an axis perpendicular to one end of the string. what is the length of the rotating string
Explain how can a contribution statement be used to improve planning in a financial institution like a bank?
Two sinusoidal waves of the same frequency travel in the same direction along a string. what is the amplitude (in cm) of the resultant wave
The only two forces acting on a body have magnitudes of 20N and 38N and a directions that differ by 76 degrees. What is the mass of the body
What is the distance of closest approach of the two particles? (Assume that the gold nucleus remains stationary
Cost of electricity varies but typical values are around $0.15/kWh. Using this price, calculate the cost of making a piece of toast in 3.00 min with a 980W toaster
A mass of 1.0 kg is pushed against a spring with a spring constant of 25 N/m. What is the kinetic energy of the mass after the mass is released and it is no longer in contact with the spring
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