Physics Waves And Oscillations Level: Misc Level
A child rocks back and forth on a porch swing with an amplitude of 0.198 m and a period of 2.97 s. Assuming the motion is approximately simple harmonic, calculate the child s maximum speed.
Physics Waves And Oscillations Level: Misc Level
The acceleration due to gravity on the moon is about 1.61 m /second squared. What will be the period of a 200 cm long pendulum on the moon?
Physics Waves And Oscillations Level: Misc Level
( 2 parts ) A 14 kg motor is mounted on rubber feet. The motor can be pulled aside a distance of 0.50 cm by a force of 200 N. a) Find the spring constant for the sideways motion of the motor.
b) what is the natural frequency for sideways vibration of the motor?
Physics Waves And Oscillations Level: Misc Level
A 0.50 kg mass vibrates with amplitude 4.0 cm at the end of a spring, whose constant is 25 N /m. Find the acceleration of the mass when its displacement from equilibrium is 3.0 cm.
Physics Waves And Oscillations Level: Misc Level
A child riding a bicycle north at 6 m/s hears a 600 -Hz siren from a police car heading south at 15 m /s. What is the frequency heard by the child?
Physics Waves And Oscillations Level: Misc Level
A person stranded in a car blows a 400 Hz horn. What frequencies are heard by the driver of a car passing at a speed of 60 km /h?
Physics Waves And Oscillations Level: Misc Level
A 3.0W sound source is located 6.5 m from an observer. What are the intensity and the intensity level of the sound heard at that distance?
Physics Waves And Oscillations Level: Misc Level
An isometric source of sound broadcasts a power of 60 W. What are the intensity and the intensity level of a sound heard at a distance of 4 m from this source?
Physics Waves And Oscillations Level: Misc Level
A 60- d B sound is measured at a particular distance from a whistle. What is the intensity of this sound in W /m ^2?
Physics Waves And Oscillations Level: Misc Level
What is the intensity level in decibels of a sound that has an intensity Of 4 X 10 ^- 5 W /m ^2 ?
Physics Waves And Oscillations Level: Misc Level
When a 800 gram was attached to a spring, it executes a S H M with frequency o 5 Hz. How mass ( grams ) do you replace with the same spring so that the frequency of S H M is 20 Hz?
Physics Waves And Oscillations Level: Misc Level
A pendulum has a period of 2- seconds at a place where 2 =9.081 m/s^2. In order to keep the same periodic time, at another place where 2 =9.821 m /s^2 What is the change in length ( mm).
Physics Waves And Oscillations Level: Misc Level
A simple harmonic oscillator with a period of 2.0 s is subject to damping so that it loses one percent of its amplitude per cycle. About how much energy does this oscillator lose per cycle?
Physics Waves And Oscillations Level: Misc Level
A ball hung from a vertical spring oscillates in simple harmonic motion with an angular frequency of 2.6 rad /s and an amplitude of 0.07 m. What is the maximum acceleration of the ball?
Physics Waves And Oscillations Level: Misc Level
Find the speed of waves on a string that is under a tension of 150 N.The string has a mass of 0.20 g per meter length.
