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A string on a musical instrument vibrates in its fundamental mode with nodes on either end. The length of the vibrating segment is 0.39 m. The maximum transverse velocity at a point in the middle of the string is 3.8 m/s and the maximum transverse acceleration is 8.4 x 10^3 m/s^2. Compute the amplitude for the standing wave and the wave speed for transverse traveling waves on the string.
A note of frequency 700 Hz. has an intensity of 5.0E-06 W/m^2. What is the amplitude (in meters) of the air vibrations caused by this sound
Sam pushes a 10.0-kg sack of bread flour on a frictionless horizontal surface with a constant horizontal force of 4.0 N starting from rest. What is the speed of the sack after Sam has pushed it a distance of 20 cm
find the x and y components of the shell.
A space probe is launched from Earth, headed for deep space. At a distance of 15,000 miles from the Earth's center, the gravitational force on it is 800 lb. What is the size of the force when it is at 30,000 miles from the Earth's center?
A girl delivering newspapers covers her route by traveling 4.00 blocks west, 6.00 blocks north, and then 5.00 blocks east. (a) What is her resultant displacement?
A thin soap film (n = 1.302) suspended in air has a uniform thickness. When white light strikes the film at normal incidence, violet light (&lambdav = 412 nm) is constructively reflected. At what angle of incidence will green light (&lambdag = 562..
A 0.245 kg ball is thrown straight up from 2.20 m above the ground. Calculate the total work done by the force of gravity during that time
A projectile is thrown from a point 39.2m away from the foot of a building 19.6m high and just reaches the top horizontally. Find the velocity of projection and the angle of throw
The wheels of a wagon can be approximated as the combination of a thin outer hoop, of radius rh = 0.209 m and mass 4.51 kg, what should the radius of the disk be
An object of mass 6.61 kg is released from rest and drops 1.90 m to the floor. The collision is completely inelastic. How much kinetic energy is lost during the collision
Consider the light beam shown in the figure, where d = 173 cm and ? = 13.5°. How many times does the light beam reflect from the top mirror
A 2.6-kg 10-cm-radius cylinder, initially at rest, is free to rotate about the axis of the cylinder. Find the magnitude of the torque exerted by the rope
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