Physics, 26.11.2019 02:31 quetzaliescalona
Atruck horn emits a sound with a frequency of 238 hz. the truck is moving on a straight road with a constant speed. if a person standing on the side of the road hears the horn at a frequency of 220 hz, then what is the speed of the truck? use 340 m/s for the speed of the sound.
Answers: 2
given the emitted frequency 
, the speed of the truck 
and the speed of sound 
will be:
Another question on Physics
Physics, 21.06.2019 21:20
The a metal retainer that keeps the rolling elements evenly spaced. n a. seal n b. separator n c. bearing n d outer race
Answers: 1
Physics, 21.06.2019 22:30
Abug is 12 cm from the center of a turntable that is rotating with a frequency of 45 rev/min . what minimum coefficient friction is required so that the bug stays on the turntable?
Answers: 1
Physics, 22.06.2019 10:30
The uniform slender bar rests on a smooth horizon- tal surface when a force f is applied normal to the bar at point a. point a is observed to have an initial acceleration aa of 20 m/s2, and the bar has a corre- sponding angular acceleration of 18 rad /s2. deter- mine the distance b.
Answers: 1
Physics, 22.06.2019 14:40
An athlete is holding 24 lb of weights at a height of 6 inches above the stack as shown. to lower the weights, she applies a constant force of 5 lb to the handle. determine the velocity of the weights immediately before they hit the stack.
Answers: 1
You know the right answer?
Atruck horn emits a sound with a frequency of 238 hz. the truck is moving on a straight road with a...
Questions
Mathematics, 22.07.2019 01:50
Mathematics, 22.07.2019 01:50
Biology, 22.07.2019 01:50
Mathematics, 22.07.2019 01:50
Mathematics, 22.07.2019 01:50
Mathematics, 22.07.2019 01:50
History, 22.07.2019 01:50
