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The velocity of waves on a string is 95.0 m/s. If the frequency of standing waves is 485 Hz, how far apart are two adjacent nodes?
A harmonic wave bs traveling slong a repe It is observed that the oscillator that generates the wave completes 36.0 vibrations In 35.0 s Also, a given maximum travels 430 cm along the rope in 9.0 s What Is the wavelength in cm ?
A bat can detect small objects, such as an insect, whose size is approximately equal to one wavelength of the sound the bat makes. If bats emit a chirp at a Frequency of
8.54 x 10^4 Hz, and if the speed of sound in air is 343 m/s, what is the smallest Insect a bat can detect in mm ?
6. Ocean waves are traveling te the east at 4. 7 m/s with a distance of 19 m between crests. (a) With what frequency do the waves hit the front of a boat when the boat Is at anchor?( ) HZ (b) With what frequency do the waves hit the front of a boat when the boat Is moving westward at 1.5 m/s? ( ) HZ
7.
A circus performer stretches s tightrope between two towers. He strikes ane end of the rope and sends a wave atong it toward the other tower He notes that It takes the
wave 0. 840 s to reach the opposite tower, 20.0 m away If s 1.00-m length of the rope has a mass of 0.260 kg, find the tension In the tightrope .( ) N ?.
8. Transverse waves with a speed of 52. 0 m/s are to be produced on a stretched string A 5 .20-m length of string with a total mass of 0.0600 kg Is used. {a) What is the required tension in the string? ( )N(b} Calculate the wave speed in the string if the tension Is 8. 00 N. ( )m/s . ?
9.A wave of amplitude 0 .53 m interferes with a second wave of amplitude 0 .19 m traveling in the same direction. (a) What Is the largest resultant amplitude that can occur, and under what conditions will this maximum arise? ( ) m 1.The two waves interfere destructively, 2.The two waves interfere constructively. (b) What is the smallest resultant amplitude that cah occur, and under what conditions will this minimum arise? ( ) m1.The two waves interfere destructively 2.The two waves interfere constructively
10.
A certain tuning fork vibrates at a frequency of 161 Hz while each tip of Its two prongs has an amplitude of 0. 724 mm .
(a) What ts the per od of this motlon? ( )ms .
(b) Find the wavelength of the sound produced by the vibrating fork taking the speed of sound in alr to be 343 m/s. ( ) m .
A string of length 2.50 m is fixed at both ends. When the stringvibrates at a frequency of 85.0 Hz, a standing wave with five loopsis formed.(a.) Sketch the standing wave on the string.(b.) How far apart are two adjacent nodes?(c.) Calculate the wavelength of the waves that travel on thestring?(d.) Calculate the velocity of waves.(e.) Determine the fundamental frequency of this
