Physics, 02.03.2021 15:10, maysahdabest

Two cars approaching each other , first car moves at 72 km/h ,the second car moves at 90 km/h, the first car started its siren with a frequency of 650 Hz. If the speed of the sound is 350 m/s, then what is the frequency of the sound heard by the driver of the second car from the police car?

Answers: 1

Show answers

Other questions on the subject: Physics

Physics, 22.06.2019 02:30, ntangpricha

Eddy whose mass is 55kg climbs up the 1.50 meter high stairs in 2s. calculate eddy’s power rating

Answers: 1

continue

Physics, 22.06.2019 16:00, Wolfzbayne

The electric potential a distance r from a small charge is proportional to what power of the distance from the charge? a. r^-1 b. r c. r^-2 d. r^2

Answers: 1

continue

Physics, 22.06.2019 18:30, Jasten

Arailroad car collides with and sticks to an identical railroad car that is initially at rest. after the collision, the total kinetic energy of the two cars is a) the same as before. b) half as much as before. c) one third as much as before. d) one fourth as much as before. e) twice as much as before.

Answers: 1

continue

Physics, 22.06.2019 23:00, genyjoannerubiera

Why does gravity have a lesser than grater effect on higher altitudes?

Answers: 2

continue

Do you know the correct answer?

Two cars approaching each other , first car moves at 72 km/h ,the second car moves at 90 km/h, the f...