Sound and Waves
The speed of sound at 0°C is approximately 331.4 m/s. What formula adjusts this speed for different temperatures?
What is v=331.4+0.6×T
What is the formula for kinetic energy?
What is KE=1/2 mv^2
What is the formula for power in terms of energy and time?
What is P=E/T
What unit is used to measure the intensity of sound?
What is decibels
What is the formula for potential energy?
What is PE=mgh
If the room temperature is 33°C, what is the speed of sound in that room?
What is 351.2 m/s?
Calculate the kinetic energy of a 5 kg cart moving at 5 m/s
What is 62.5 J
What is the power consumption if 18 J of energy is used in 3 seconds
What is 6 W
How do you convert an intensity of 3.2 × 10⁻⁵ W/m² to decibels?
What is using the formula L=10log10(I/I(0)
What is the amplitude of a wave with a peak displacement of 3 m
What is 3?
What is the period of a wave that vibrates at 100 Hz?
What is 0.01 seconds?
How high must a 2 kg rock be to have a potential energy of 100 J
What is 5 meters
What formula relates intensity to power and area
What is I=P/A
What is the intensity level in decibels for an intensity of 3.2 × 10⁻⁵ W/m²
What is approximately 45 dB
Between two sound waves, A and B, which wave has a higher pitch if A has a higher frequency?
What is A
If a wave travels at 1 m/s with a period of 2 seconds, what is its wavelength?
What is 2 meters?
What is the work done when a force of 7 N is applied over 2 meters
What is 14 J
If 18 J of energy is incident on an area of 2 m² in 3 seconds, what is the intensity
What is 3 W/m²
If a 36 dB sound intensity is increased by a factor of 3, what is the new intensity in decibels
What is 41.8 dB
What happens to the speed of sound when the air temperature increases
What is Increase
How does the intensity of a wave change when the distance from the source is reduced from 5m to 1m, given an initial intensity of 0.034 W/m²
What is 0.85 W/m²
If Jose starts with 100 J of potential energy and has 50 J of PE and 43 J of KE midway down a ramp, how much thermal energy is produced?
What is 7 J
A wave with 20 W of power is incident on a 2 m² area. What is the intensity at that area
What is 10 W/m²
In the Fletcher-Munson diagram, what is the intensity level of a 10,000 Hz, 50 phons tone
What is 50 dB
In a wave, what is the relationship between wavelength, frequency, and speed
v=fλ