Which of the following statements about pitch and frequency is true? - two different pitches can have the same frequency
- humans can hear higher pitches than dogs
- the pitch of a sound is directly related to the frequency of the sound wave
- two different frequencies can have the same pitch
pls hurry

Agymnast dismounts off the uneven bars in a tuck position with a radius of 0.3m (assume she is a solid sphere) and an angular velocity of 2rev/s. during the dismount she stretches out into the straight position, with a length of 1.5m, (assume she is a uniform rod through the center) for her landing. the gymnast has a mass of 50kg. what is her angular velocity in the straight position?

What type of light does this light bulb produce most (i.e. at what wavelength does the spectrum have maximum intensity)?

When a bicycle coasts uphill, it moves slower and slower as it climbs. why? a. its kinetic energy is transforming into heat energy. b. its potential energy is transforming into kinetic energy. c. its kinetic energy is transforming into potential energy and heat energy. d. its potential energy is transforming into kinetic energy and heat energy.