Physics, 01.10.2019 02:30 raprocksbob

The change in pitch of a train's horn as it passes while you are standing still can be explained by
a. the doppler effect.
b. ultrasonic vibrations.
c. sympathetic vibration.
d. resonance.

Answers: 2

Show answers

Another question on Physics

Physics, 22.06.2019 10:00

Suppose a wheel with a tire mounted on it is rotating at the constant rate of 2.15 times a second. a tack is stuck in the tire at a distance of 0.373 m from the rotation axis. noting that for every rotation the tack travels one circumference (a) find the tack's tangential speed. (b) what is the tacks radial acceleration?

Answers: 2

Answer

Physics, 22.06.2019 14:40

Asolid cylinder and a cylindrical shell have the same mass, same radius, and turn on frictionless, horizontal axles. the cylindrical shell has light-weight spokes connecting the shell to the axle. a rope is wrapped around each cylinder and tied to blocks of equal masses that are held the same height above the ground. both blocks are released simultaneously. the ropes do not slip. which block hits the ground first? or is it a tie?

Answers: 3

Answer

Physics, 22.06.2019 16:00

Frank just graduated from eighth grade. assuming exactly four years from now he will graduate from high school how many seconds does he have until his high school graduation

Answers: 2

Answer

Physics, 22.06.2019 16:30

When conducting an investigation to determine which type of fertilizer produces the most flowers on a plant, which variable would be graphed on the x-axis once you collected the data? a. type of fertilizer b. amount of flowers c. amount of water d. number of days that the plants grew

Answers: 1

Answer

You know the right answer?

The change in pitch of a train's horn as it passes while you are standing still can be explained by...

Questions