Physics Waves And Oscillations Level: Misc Level
On the day when the speed of sound in air is 340 m/s, a lightning bolt is observed, and the resultant thunderclap is heard 5 seconds afterwards. About how far away was the lightning blot? (1700 m, or 1020 m)
Physics Force & Laws Of Motion Level: Misc Level
Bullets are fired from and airplane in the forward direction of motion. The momentum of the airplane will be.
Physics Rotational Mechanics Level: Misc Level
A torque acting on a body tends to produce.
Physics Force & Laws Of Motion Level: Misc Level
A mack truck and a Volkswagen traveling at the same speed collide head on. The impact force is?
Physics Force & Laws Of Motion Level: Misc Level
In order to catch a ball, a baseball player extends the hand forward before the impact with the ball and then lets it ride backwards in the direction of the balls motion upon impact. Doing this reduces the force of impact on the player s hand principally because the.
Physics Force & Laws Of Motion Level: Misc Level
If the speed of a car is doubled, the impulse required to stop the car changes by a factor of
Physics Force & Laws Of Motion Level: Misc Level
A car traveling at 100 km/hr strikes an unfortunate bug and splatters it. The force of impact is
Physics Force & Laws Of Motion Level: Misc Level
A heavy truck and asmall truck, (lighter) roll down a hill. Neglecting friction, at the bottom of the hill, the heavy truck will have greater.
Physics Force & Laws Of Motion Level: Misc Level
A baseball player bats a ball with a force 1000 N. The bat has a mass of. 5 kg. The ball exerts a reaction force against the bat of.
Physics Waves And Oscillations Level: Misc Level
Sam, a train engineer,blows a whistle that has a frequency of 3.0 x 102 Hz as the train approaches a station. If the speed of the train is 23 m/s, what frequency will be heard by a person at the station?
Physics Waves And Oscillations Level: Misc Level
The echo of a ship's foghorn, reflected from an iceberg, is heard 5.0 s after the horn is sounded. How far away is the iceberg?
Physics Waves And Oscillations Level: Misc Level
Two tuning forks struck simultaneously produce a beat with a frequency of 12 Hz The frequency of one fork is 482 Hz.What are the two possible frequencies of the other tuning fork?
Physics Waves And Oscillations Level: Misc Level
A sound wave traveling at a speed of 339.0 m/s has a wavelength of 2 m. What is the frequency of the sound?
Physics Waves And Oscillations Level: Misc Level
A detected apparent change in the pitch caused by the motion of a sound source or of an
observer is called---
[A] refection [B] diffraction [C] the Doppler shift [D] a refraction
Physics Waves And Oscillations Level: Misc Level
Sound is an example of what kind of wave?
[A] electromagnetic [B] transverse [C] surface [D] longitudinal
